Day N3 - 3 - Grammar Practice

Complementary Exercises: Daily N3 - Day 3

After reading the original text, practice the grammar points introduced in Day N3-3.

These exercises focus on recognizing mistakes, choosing correct patterns, and producing your own sentences.
They are divided into three study sessions. Each session focuses on a different way of practicing the grammar introduced in the shadowing practice.

Grammar practiced:
✓ 〜ใŠใ‹ใ’ใง/ใŠใ‹ใ’ใ 
✓ 〜ใ›ใ„ใง/ใ›ใ„ใ /ใ›ใ„ใ‹
✓ V[ใพใ™-form]ใใ†ใ‚‚ใชใ„/ใใ†ใซใชใ„
✓ V[ใฆ-form]ใ„ใ
✓ ใ ใ‚ใ†ใจๆ€ใ†
✓ Nใชใ‚“ใ‹
✓ 〜ใซ้•ใ„ใชใ„
✓ Nใซใคใ„ใฆ/Nใซใคใ„ใฆใฎ
✓ Nใ‚’้€šใ˜ใฆ/Nใ‚’้€šใ—ใฆ

1. Understand

Goal: Recognize and understand how the grammar is used.
Focus on identifying correct patterns and noticing common mistakes.

๐Ÿ” Find the Error

Identify the sentence that contains a grammar mistake or unnatural usage.
Goal: Train your ability to notice incorrect grammar patterns and avoid common mistakes.

1: Which sentence is grammatically incorrect?

Choices
A: ้ง…ใ‚’ๅ‡บใ‚‹ใจ、็ŠฌใŒ้“ใฎๅ‘ใ“ใ†ใธ่ตฐใฃใฆใ„ใใพใ—ใŸ。
B: ๆ˜จๆ—ฅไผ‘ใ‚“ใ ใ›ใ„ใง、ไป•ไบ‹ใŒใŸใใ•ใ‚“ๆฎ‹ใฃใฆใ„ใพใ™。
C: ใƒ›ใƒ†ใƒซใŒไพฟๅˆฉใ ใŠใ‹ใ’ใง、ๆ—…่กŒไธญใ‚‚ๅ›ฐใ‚Šใพใ›ใ‚“ใงใ—ใŸ。
D: ใ“ใฎใใคใ„ใƒ–ใƒผใƒ„ใงใฏ、้•ทใ„ๆ™‚้–“ๆญฉใ‘ใใ†ใซใ‚ใ‚Šใพใ›ใ‚“。
Answer
C
Correct Sentence: ใƒ›ใƒ†ใƒซใŒไพฟๅˆฉใชใŠใ‹ใ’ใง、ๆ—…่กŒไธญใ‚‚ๅ›ฐใ‚Šใพใ›ใ‚“ใงใ—ใŸ。
Explanation: ไพฟๅˆฉ is a na-adjective, so when it directly modifies a noun-like expression such as ใŠใ‹ใ’, it takes ใช rather than ใ . The pattern is na-adjective + ใช + ใŠใ‹ใ’ใง.

2: Which sentence is grammatically incorrect?

Choices
A: ็œŸๅ†ฌใงใ‚‚、ใ“ใฎๅœฐๅŸŸใฏใ‚ใพใ‚Šๅฏ’ใใชใ„ใ ใ‚ใ†ใจๆ€ใ„ใพใ™。
B: ใ“ใฎ็”จ็ด™ใฏๆฑšใ‚Œใฆใ„ใ‚‹ใฎใง、ใใฎใพใพใงใฏไฝฟ็”จใงใใใ†ใซใ‚ใ‚Šใพใ›ใ‚“。
C: ๆ˜ฅใซใชใ‚‹ใจ、้›ชใฏๅฐ‘ใ—ใšใคๆธ›ใฃใฆใ„ใใพใ™。
D: ็งใฎใ›ใ„ใ‹ใง、ๅ‹้”ใฏๆ€’ใฃใฆใ„ใ‚‹ใ‚ˆใ†ใงใ™。
Answer
D
Correct Sentence: ็งใฎใ›ใ„ใ‹、ๅ‹้”ใฏๆ€’ใฃใฆใ„ใ‚‹ใ‚ˆใ†ใงใ™。
Explanation: ใ›ใ„ใ‹ is used to express an uncertain cause, meaning something like “perhaps because of” or “possibly due to.”

3: Which sentence is grammatically incorrect?

Choices
A: ้ขจ้‚ชใ‚’ๅผ•ใ„ใŸใ›ใ„ใง、ๆ—…่กŒใซ่กŒใ‘ใพใ›ใ‚“ใงใ—ใŸ。
B: ใ“ใฎๅบ—ใฏ้ฃŸๆใŒๅฎ‰ใ„ใ ใŠใ‹ใ’ใง、ๆฅใ‚‹ไบบใŒๅคšใ„ใงใ™。
C: ้›จใฏใพใ ใ‚„ใฟใใ†ใซใ‚ใ‚Šใพใ›ใ‚“。
D: ใ“ใฎ็”บใงใฏ、ใ“ใ‚Œใ‹ใ‚‰ๅญใฉใ‚‚ใฎๆ•ฐใŒๅข—ใˆใฆใ„ใใจๆ€ใ„ใพใ™。
Answer
B
Correct Sentence: ใ“ใฎๅบ—ใฏ้ฃŸๆใŒๅฎ‰ใ„ใŠใ‹ใ’ใง、ๆฅใ‚‹ไบบใŒๅคšใ„ใงใ™。
Explanation: ๅฎ‰ใ„ is an i-adjective, and i-adjectives connect directly to ใŠใ‹ใ’ใง without ใ . Therefore, the correct pattern is i-adjective + ใŠใ‹ใ’ใง, as in ๅฎ‰ใ„ใŠใ‹ใ’ใง.

4: Which sentence is grammatically incorrect?

Choices
A: ใ“ใ‚Œใ‹ใ‚‰ๆฐ—ๆธฉใฏๅฐ‘ใ—ใšใคไธŠใŒใฃใฆใ„ใใงใ—ใ‚‡ใ†。
B: ๅ‰ๆ—ฅใซๆบ–ๅ‚™ใ—ใŸใŠใ‹ใ’ใซ、็™บ่กจใฏใ†ใพใใ„ใใพใ—ใŸ。
C: ใ“ใฎๆฑšใ‚Œใฏ、ๆด—ใฃใฆใ‚‚่ฝใกใใ†ใซใ‚ใ‚Šใพใ›ใ‚“。
D: ๅฏ’ใ•ใฎใ›ใ„ใง、ๆœๆ—ฉใ่ตทใใ‚‰ใ‚Œใพใ›ใ‚“ใงใ—ใŸ。
Answer
B
Correct Sentence: ๅ‰ๆ—ฅใซๆบ–ๅ‚™ใ—ใŸใŠใ‹ใ’ใง、็™บ่กจใฏใ†ใพใใ„ใใพใ—ใŸ。
Explanation: ใŠใ‹ใ’ใง is used to express a cause that leads to a favorable or appreciated result. When ใŠใ‹ใ’ directly introduces the resulting clause, the particle ใง is used, so ~ใŠใ‹ใ’ใง、… is the standard pattern.

✅ Choice

Choose the best option to complete the sentence.
Goal: Practice selecting the correct grammar form according to the context.

1: ใ“ใ‚Œใฏ、ใ“ใฎๅœฐๅŸŸใฎ้ฃŸๆ(      )ๆ›ธใ‹ใ‚ŒใŸๆ–‡็ซ ใงใ™。

Choices
A: ใซใจใฃใฆ
B: ใซใคใ„ใฆ
C: ใซใ‚ˆใ‚Œใฐ
D: ใซๆฏ”ในใฆ
Answer
B
Explanation: ใซใคใ„ใฆ is used to indicate the topic that something is written, spoken, or discussed about, so it naturally connects ้ฃŸๆ (“ingredients”) with ๆ›ธใ‹ใ‚ŒใŸๆ–‡็ซ  (“a written text/article”). It is commonly used in patterns such as Nใซใคใ„ใฆๆ›ธใ (“write about N”).

2: A:ใ“ใฎใ‚นใƒ‹ใƒผใ‚ซใƒผใฏใ‚‚ใ†ไฝฟ็”จใ—ใพใ—ใŸใ‹。 B:ๆฑšใ‚ŒใŒใชใ、ใ‚ฟใ‚ฐใ‚‚ไป˜ใ„ใฆใ„ใพใ™ใ‹ใ‚‰、(      )。

Choices
A: ใ“ใ‚Œใ‹ใ‚‰ไฝ•ๅบฆใ‚‚ไฝฟ็”จใ—ใฆใ„ใใงใ—ใ‚‡ใ†
B: ไฝฟ็”จใ—ใŸใŠใ‹ใ’ใง、ใใ‚Œใ„ใซใชใ‚Šใพใ—ใŸ
C: ใพใ ไธ€ๅบฆใ‚‚ไฝฟ็”จใ—ใฆใ„ใชใ„ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“
D: ไธ€ๅบฆใฏไฝฟ็”จใ—ใŸใ ใ‚ใ†ใจๆ€ใ„ใพใ™
Answer
C
Explanation: ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“ is used when the speaker makes a strong conclusion based on clear evidence. Here, the shoes have no dirt and still have their tag attached, so these details strongly suggest that they have never been used. ใพใ ไธ€ๅบฆใ‚‚~ใฆใ„ใชใ„ means “have not done something even once yet,” which fits the question about whether the sneakers have already been worn.

3: ๅฐ‘ใ—ไผ‘ๆ†ฉใ—ใŸ(      )、ๆœ€ๅพŒใพใงๅ ฑๅ‘Šใ‚’ๆ›ธใใ“ใจใŒใงใใพใ—ใŸ。

Choices
A: ใŠใ‹ใ’ใง
B: ใŸใ‚ใซใฏ
C: ใ›ใ„ใง
D: ใซ้•ใ„ใชใ„ใฎใง
Answer
A
Explanation: ใŠใ‹ใ’ใง is used when a cause leads to a favorable or appreciated result. Taking a short break helped the speaker regain enough energy or concentration to finish writing the report, so this expression matches the positive outcome shown by ~ใ“ใจใŒใงใใพใ—ใŸ.

4: ใ“ใฎๅœฐๅŸŸใฎ้–‹็™บใฏๅง‹ใพใฃใŸใฐใ‹ใ‚Šใง、ใ“ใ‚Œใ‹ใ‚‰ๆ–ฐใ—ใ„ๅบ—ใ‚„ๅฎถใŒๅฐ‘ใ—ใšใคๅข—ใˆใ‚‹ใใ†ใงใ™。ใ“ใฎ็”บใฏ、ใ“ใ‚Œใ‹ใ‚‰(      )。

Choices
A: ๅค‰ใ‚ใฃใŸใ›ใ„ใงใ™
B: ๅค‰ใ‚ใฃใฆใ„ใใงใ—ใ‚‡ใ†
C: ๅค‰ใ‚ใ‚Šใใ†ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“
D: ๅค‰ใ‚ใฃใŸใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“
Answer
B
Explanation: ~ใฆใ„ใ is used to describe a change or development that will continue from the present into the future. Since the passage says that development has only just begun and that new shops and houses will gradually increase, ๅค‰ใ‚ใฃใฆใ„ใใงใ—ใ‚‡ใ† appropriately predicts that the town will continue changing.

✏️ Correct

Find and fix the grammar mistake in the sentence.
Goal: Practice applying grammar rules and producing accurate Japanese sentences.

1: ใ“ใ‚Œใ‹ใ‚‰、ใ“ใฎๅœฐๅŸŸใฎๆฐ—ๆธฉใฏๅฐ‘ใ—ใšใคไธŠใŒใ‚Šใฆใ„ใใงใ—ใ‚‡ใ†。

Answer
ใ“ใ‚Œใ‹ใ‚‰、ใ“ใฎๅœฐๅŸŸใฎๆฐ—ๆธฉใฏๅฐ‘ใ—ใšใคไธŠใŒใฃใฆใ„ใใงใ—ใ‚‡ใ†。
Explanation: The verb ไธŠใŒใ‚‹ is a godan verb, so its ใฆ-form is ไธŠใŒใฃใฆ, not ไธŠใŒใ‚Šใฆ. When 〜ใฆใ„ใ is attached to a verb to describe a change or development that will continue from now into the future, the verb must first be changed to its ใฆ-form. Therefore, ไธŠใŒใ‚‹ → ไธŠใŒใฃใฆ → ไธŠใŒใฃใฆใ„ใ.

2: ๅ…ˆ็”Ÿใซๅœฐ็ƒ็’ฐๅขƒใ‚’ใคใ„ใฆ่ณชๅ•ใ—ใพใ—ใŸ。

Answer
ๅ…ˆ็”Ÿใซๅœฐ็ƒ็’ฐๅขƒใซใคใ„ใฆ่ณชๅ•ใ—ใพใ—ใŸ。
Explanation: ใซใคใ„ใฆ is a fixed expression meaning “about” or “concerning,” and it attaches directly to a noun, so ใ‚’ cannot be placed between the noun and ใคใ„ใฆ. Here, ๅœฐ็ƒ็’ฐๅขƒใซใคใ„ใฆ correctly marks “the global environment” as the topic of the question. The particle ใซ after ๅ…ˆ็”Ÿ marks the person who was asked.

3: ็Ÿฅใ‚‰ใชใ„่จ€่‘‰ใŒๅคšใ„ใฎใง、ใ“ใฎๆ–‡็ซ ใฏๅฝผใซใฏ้›ฃใ—ใ„ใงใ™ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“。

Answer
็Ÿฅใ‚‰ใชใ„่จ€่‘‰ใŒๅคšใ„ใฎใง、ใ“ใฎๆ–‡็ซ ใฏๅฝผใซใฏ้›ฃใ—ใ„ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“。
Explanation: Before ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“, an ใ„-adjective must be used in its plain form, so ้›ฃใ—ใ„ is correct and ้›ฃใ—ใ„ใงใ™ cannot be followed directly by this expression.

2. Practice

Goal: Practice using the grammar in different situations.
Apply the grammar by correcting, transforming, and creating sentences.

๐Ÿ” Find the Error

Identify the sentence that contains a grammar mistake or unnatural usage.
Goal: Train your ability to notice incorrect grammar patterns and avoid common mistakes.

1: Which sentence is grammatically incorrect?

Choices
A: ใ“ใฎๅคงใใช่ท็‰ฉใฏ、ไธ€ไบบใงใฏ้‹ในใใ†ใซใ‚ใ‚Šใพใ›ใ‚“。
B: ไผ‘ๆ†ฉใ™ใ‚Œใฐ、ๅˆๅพŒใ‚‚ๅ…ƒๆฐ—ใซๅƒใ‘ใ‚‹ใ ใ‚ใ†ใจๆ€ใ„ใพใ™。
C: ๅบ—ใŒไธไพฟใ ใ›ใ„ใง、ๅฎขใŒใ‚ใพใ‚Šๆฅใพใ›ใ‚“。
D: ๅฎถๆ—ใฏใ“ใ‚Œใ‹ใ‚‰ใ‚‚ไธ€็ท’ใซๆšฎใ‚‰ใ—ใฆใ„ใใคใ‚‚ใ‚Šใงใ™。
Answer
C
Correct Sentence: ๅบ—ใŒไธไพฟใชใ›ใ„ใง、ๅฎขใŒใ‚ใพใ‚Šๆฅใพใ›ใ‚“。
Explanation: ไธไพฟ is a ใช-adjective, and when a ใช-adjective directly modifies a noun-like expression such as ใ›ใ„, it uses ใช, not ใ .

2: Which sentence is grammatically incorrect?

Choices
A: ไป•ไบ‹ใŒๅคšใ™ใŽใฆ、ไปŠๆ—ฅไธญใซใฏ็ต‚ใ‚ใ‚‹ใใ†ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“。
B: ๆฅๆœˆใ‹ใ‚‰、ๆ–ฐใ—ใ„ไป•ไบ‹ใฎใ‚„ใ‚Šๆ–นใ‚’็ฟ’ใฃใฆใ„ใใพใ™。
C: ๅ…ˆ็”Ÿใฏใใฎๅ†…ๅฎนใซใคใ„ใฆ่ฉณใ—ใ็Ÿฅใฃใฆใ„ใ‚‹ใ ใ‚ใ†ใจๆ€ใ„ใพใ™。
D: ็งใชใ‚“ใ‹ใงใ‚‚、ใใฎไป•ไบ‹ใฏใงใใพใ™。
Answer
A
Correct Sentence: ไป•ไบ‹ใŒๅคšใ™ใŽใฆ、ไปŠๆ—ฅไธญใซใฏ็ต‚ใ‚ใ‚Šใใ†ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“。
Explanation: When ใใ† is used to express how something appears or seems likely to happen, it attaches to the verb stem, not the dictionary form.

3: Which sentence is grammatically incorrect?

Choices
A: ๆ—…่กŒใซๅฟ…่ฆใช็‰ฉใ‚’、ๅ…ˆใซใƒ›ใƒ†ใƒซใธๆŒใฃใฆใ„ใใพใ—ใŸ。
B: ใ“ใฎๆ•™็ง‘ๆ›ธใชใ‚‰、ไธ€ไบบใงใ‚‚ๅ‹‰ๅผทใงใใ‚‹ใ ใ‚ใ†ใจๆ€ใ„ใพใ™。
C: ๅ…ˆ็”Ÿใฏไผš่ญฐไธญใชใฎใง、ใ™ใใซใฏๆˆปใ‚Šใใ†ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“。
D: ็œŸๅ†ฌใงๅฏ’ใ„ใฎใ›ใ„ใ‹、ๅค–ใซไบบใŒใปใจใ‚“ใฉใ„ใพใ›ใ‚“。
Answer
D
Correct Sentence: ็œŸๅ†ฌใงๅฏ’ใ„ใ›ใ„ใ‹、ๅค–ใซไบบใŒใปใจใ‚“ใฉใ„ใพใ›ใ‚“。
Explanation: With an ใ„-adjective, ใ›ใ„ใ‹ attaches directly to the adjective, so ๅฏ’ใ„ใ›ใ„ใ‹ is the natural form.

4: Which sentence is grammatically incorrect?

Choices
A: ้ƒจๅฑ‹ใŒ้™ใ‹ใฎใŠใ‹ใ’ใง、ใ‚ˆใๅ‹‰ๅผทใงใใพใ—ใŸ。
B: ๅฟ…่ฆใช่จ€่‘‰ใ‚’ๆฏŽๆ—ฅๅฐ‘ใ—ใšใค่ฆšใˆใฆใ„ใใพใ™。
C: ใ‚ใฎไบบใฏๅฟ™ใ—ใ„ใฎใง、ไปŠๆ—ฅใฏ้›ป่ฉฑใงใใใ†ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“。
D: ้›ป่ปŠใŒ้…ใ‚ŒใŸใ›ใ„ใง、ไผš็คพใซ้…ใ‚Œใพใ—ใŸ。
Answer
A
Correct Sentence: ้ƒจๅฑ‹ใŒ้™ใ‹ใชใŠใ‹ใ’ใง、ใ‚ˆใๅ‹‰ๅผทใงใใพใ—ใŸ。
Explanation: ้™ใ‹ is a ใช-adjective, so when it directly modifies the noun-like expression ใŠใ‹ใ’, it must use ใช: ้™ใ‹ใชใŠใ‹ใ’ใง.

5: Which sentence is grammatically incorrect?

Choices
A: ใ“ใฎๅœฐๅŸŸใฎๆฐ—ๆธฉใฏ、ๆฅๆœˆใซใฏไธŠใŒใ‚‹ใ ใ‚ใ†ใจๆ€ใ„ใพใ™。
B: ๅ†…ๅฎนใŒ้›ฃใ—ใใฆ、ไธ€ๅบฆ่ชญใ‚“ใ ใ ใ‘ใงใฏๆ„ๅ‘ณใŒๅˆ†ใ‹ใ‚Šใใ†ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“。
C: ้›จใฎใ›ใ„ใซ、ๅญฆๆ กใซ้…ใ‚Œใพใ—ใŸ。
D: ไฝฟใ‚ใชใ„็‰ฉใฏ、ๅฐ‘ใ—ใšใคๆธ›ใ‚‰ใ—ใฆใ„ใใคใ‚‚ใ‚Šใงใ™。
Answer
C
Correct Sentence: ้›จใฎใ›ใ„ใง、ๅญฆๆ กใซ้…ใ‚Œใพใ—ใŸ。
Explanation: 〜ใ›ใ„ใง is used to express a cause that leads to an undesirable or negative result. When ใ›ใ„ follows a noun, the noun is connected with ใฎ, as in ้›จใฎใ›ใ„ใง.

✏️ Correct

Find and fix the grammar mistake in the sentence.
Goal: Practice applying grammar rules and producing accurate Japanese sentences.

1: ใ“ใ‚Œใ‹ใ‚‰ใ‚‚ๆ•™็ง‘ๆ›ธใ‚’ไฝฟใ„ใชใŒใ‚‰、ๆ—ฅๆœฌ่ชžใฎๆ–‡็ซ ใ‚’่ชญใฟใงใ„ใใŸใ„ใงใ™。

Answer
ใ“ใ‚Œใ‹ใ‚‰ใ‚‚ๆ•™็ง‘ๆ›ธใ‚’ไฝฟใ„ใชใŒใ‚‰、ๆ—ฅๆœฌ่ชžใฎๆ–‡็ซ ใ‚’่ชญใ‚“ใงใ„ใใŸใ„ใงใ™。
Explanation: The verb ่ชญใ‚€ is a godan verb, and its ใฆ-form is ่ชญใ‚“ใง, not ่ชญใฟใง. The pattern 〜ใฆใ„ใ is used here to express continuing an action from now on, so the verb must first be changed to its ใฆ-form: ่ชญใ‚€ → ่ชญใ‚“ใง → ่ชญใ‚“ใงใ„ใ.

2: ๅคง้›จใชใ›ใ„ใง、้›ป่ปŠใŒ้…ใ‚Œใพใ—ใŸ。

Answer
ๅคง้›จใฎใ›ใ„ใง、้›ป่ปŠใŒ้…ใ‚Œใพใ—ใŸ。
Explanation: Before ใ›ใ„ใง, a noun is followed by ใฎ, while a ใช-adjective is followed by ใช. Since ๅคง้›จ is a noun, the correct connection is ๅคง้›จใฎใ›ใ„ใง.

3: ใ“ใฎ้–‹็™บใฏ、ๅœฐๅŸŸใฎ็’ฐๅขƒใซๅคงใใชๅฝฑ้Ÿฟใ‚’ไธŽใˆใŸใงใ™ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“。

Answer
ใ“ใฎ้–‹็™บใฏ、ๅœฐๅŸŸใฎ็’ฐๅขƒใซๅคงใใชๅฝฑ้Ÿฟใ‚’ไธŽใˆใŸใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“。
Explanation: Before ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“, verbs are used in their plain form, so the past form ไธŽใˆใŸ connects directly to this expression.

4: ๆ˜จๆ—ฅใฏ้›จใŒ้™ใ‚Šใพใ›ใ‚“ใŠใ‹ใ’ใง、ๅ…ฌๅœ’ใธๅ‡บใ‹ใ‘ใ‚‹ใ“ใจใŒใงใใพใ—ใŸ。

Answer
ๆ˜จๆ—ฅใฏ้›จใŒ้™ใ‚‰ใชใ‹ใฃใŸใŠใ‹ใ’ใง、ๅ…ฌๅœ’ใธๅ‡บใ‹ใ‘ใ‚‹ใ“ใจใŒใงใใพใ—ใŸ。
Explanation: Before ใŠใ‹ใ’ใง, a verb is normally used in its plain form, so the polite negative ้™ใ‚Šใพใ›ใ‚“ cannot be used directly here. Since the sentence refers to ๆ˜จๆ—ฅ, the correct plain negative past form is ้™ใ‚‰ใชใ‹ใฃใŸ. 〜ใŠใ‹ใ’ใง is used when a cause leads to a favorable result, which fits naturally because not having rain made it possible to go to the park.

5: ็Ÿฅใ‚‰ใชใ„่จ€่‘‰ใŒๅคšใ™ใŽใฆ、ไปŠๆ—ฅไธญใซใฏๅ…จ้ƒจ่ฆšใˆใพใ™ใใ†ใซใ‚ใ‚Šใพใ›ใ‚“。

Answer
็Ÿฅใ‚‰ใชใ„่จ€่‘‰ใŒๅคšใ™ใŽใฆ、ไปŠๆ—ฅไธญใซใฏๅ…จ้ƒจ่ฆšใˆใใ†ใซใ‚ใ‚Šใพใ›ใ‚“。
Explanation: When 〜ใใ† expresses that something looks likely or unlikely to happen, it attaches to the ใพใ™-stem of a verb, not to the full ใพใ™-form. For ่ฆšใˆใ‚‹, the polite form is ่ฆšใˆใพใ™, so the stem is ่ฆšใˆ, giving ่ฆšใˆใใ†ใซใ‚ใ‚Šใพใ›ใ‚“. This pattern expresses the speaker’s judgment that memorizing everything by today does not seem likely.

✏️ Rewrite

Rewrite the sentence using the given grammar pattern.
Goal: Practice expressing the same idea using different grammar structures.

1: ใฟใ‚“ใชใŒ้ฉšใ„ใฆใ„ใŸใฎใง、ใใฃใจๅ ฑๅ‘Šใฎๅ†…ๅฎนใฏๆ„ๅค–ใ ใฃใŸใฎใงใ—ใ‚‡ใ†。

Rewrite the sentence using: 〜ใซ้•ใ„ใชใ„
Answer
ใฟใ‚“ใชใŒ้ฉšใ„ใฆใ„ใŸใฎใง、ๅ ฑๅ‘Šใฎๅ†…ๅฎนใฏๆ„ๅค–ใ ใฃใŸใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“。
Explanation: The original 〜ใฎใงใ—ใ‚‡ใ† expresses a reasoned assumption based on the situation, but still leaves some room for uncertainty. In contrast, 〜ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“ conveys a much stronger conclusion: the speaker sees the evidence—everyone’s surprise—and feels confident that this must have been the case. So, the main nuance change is from a probable inference to a firm conviction based on the available evidence.

2: ็œŸๅ†ฌใฎๅฏ’ใ•ใง、ๆœๆ—ฉใ่ตทใใ‚‰ใ‚Œใพใ›ใ‚“ใงใ—ใŸ。

Rewrite the sentence using: 〜ใ›ใ„ใง
Answer
็œŸๅ†ฌใฎๅฏ’ใ•ใฎใ›ใ„ใง、ๆœๆ—ฉใ่ตทใใ‚‰ใ‚Œใพใ›ใ‚“ใงใ—ใŸ。
Explanation: 〜ใ›ใ„ใง is used to present something as the cause of an undesirable or negative result, often with a nuance of blame or frustration. Here, the cold weather is not just given as a neutral reason; it is treated as the factor responsible for the difficulty. Compared with simply using 〜ใง, 〜ใ›ใ„ใง makes the negative causal relationship more explicit and emotionally marked.

3: ็งใฏ、ๆ˜Žๆ—ฅใฎๆฐ—ๆธฉใฏไปŠๆ—ฅใ‚ˆใ‚ŠไฝŽใ„ใจๆ€ใ„ใพใ™。

Rewrite the sentence using: 〜ใ ใ‚ใ†ใจๆ€ใ†
Answer
็งใฏ、ๆ˜Žๆ—ฅใฎๆฐ—ๆธฉใฏไปŠๆ—ฅใ‚ˆใ‚ŠไฝŽใ„ใ ใ‚ใ†ใจๆ€ใ„ใพใ™。
Explanation: 〜ใจๆ€ใ„ใพใ™ simply presents the speaker’s opinion or belief, while 〜ใ ใ‚ใ†ใจๆ€ใ„ใพใ™ adds a layer of prediction or uncertainty. It suggests that the speaker is making an informed guess about a future or uncertain situation rather than stating a straightforward personal judgment. In this case, the nuance becomes slightly more tentative and predictive.

4: ใ‚ใจไบ”ๅˆ†ใ—ใ‹ใชใ„ใฎใง、ใ“ใฎๆ–‡็ซ ใ‚’ๆœ€ๅพŒใพใง่ชญใ‚ใชใ„ใจๆ€ใ„ใพใ™。

Rewrite the sentence using: V[ใพใ™-form]ใใ†ใซใชใ„
Answer
ใ‚ใจไบ”ๅˆ†ใ—ใ‹ใชใ„ใฎใง、ใ“ใฎๆ–‡็ซ ใ‚’ๆœ€ๅพŒใพใง่ชญใ‚ใใ†ใซใ‚ใ‚Šใพใ›ใ‚“。
Explanation: 〜ใใ†ใซใชใ„ expresses that something does not seem likely to happen based on the current situation or available evidence. Compared with 〜ใจๆ€ใ„ใพใ™, which presents the speaker’s personal judgment, 〜ใใ†ใซใ‚ใ‚Šใพใ›ใ‚“ emphasizes how the situation appears objectively at the moment. Here, the limited amount of time makes finishing the reading seem unlikely.

5: ๆบ–ๅ‚™ใ™ใ‚‹ๆ™‚้–“ใŒ็Ÿญใ‹ใฃใŸใฎใง、็™บ่กจใฏใ†ใพใใ„ใ‹ใชใ„ใจๆ€ใ„ใพใ™。

Rewrite the sentence using: 〜ใ ใ‚ใ†ใจๆ€ใ†
Answer
ๆบ–ๅ‚™ใ™ใ‚‹ๆ™‚้–“ใŒ็Ÿญใ‹ใฃใŸใฎใง、็™บ่กจใฏใ†ใพใใ„ใ‹ใชใ„ใ ใ‚ใ†ใจๆ€ใ„ใพใ™。
Explanation: 〜ใ ใ‚ใ†ใจๆ€ใ„ใพใ™ makes the statement sound more like a prediction or tentative conclusion than a direct opinion. Compared with plain 〜ใจๆ€ใ„ใพใ™, it adds a sense that the speaker is estimating what will probably happen based on the circumstances—in this case, the short preparation time. This makes the judgment slightly less direct and more speculative.

3. Review

Goal: Review and reinforce the grammar you learned.
Combine different exercise types to check your understanding and build confidence.

๐Ÿ” Find the Error

Identify the sentence that contains a grammar mistake or unnatural usage.
Goal: Train your ability to notice incorrect grammar patterns and avoid common mistakes.

1: Which sentence is grammatically incorrect?

Choices
A: ้›ฒใŒๅคšใใฆ、ไปŠๆ—ฅใฏๆ˜ŸใŒ่ฆ‹ใˆใใ†ใซใ‚ใ‚Šใพใ›ใ‚“。
B: ๅ…ˆ็”Ÿใฎ่ฉฑใ‚’่žใใชใŒใ‚‰、ๅคงๅˆ‡ใช็‚นใ‚’ๆ›ธใ„ใฆใ„ใใพใ™。
C: ้ ญใŒ็—›ใ„ใฏ、ๆ˜จๆ—ฅใ‚ใพใ‚Šๅฏใชใ‹ใฃใŸใ›ใ„ใงใ™。
D: ๆ—ฅๆ›œๆ—ฅใชใฎใง、็ช“ๅฃใฏไผ‘ใฟใ ใ‚ใ†ใจๆ€ใ„ใพใ™。
Answer
C
Correct Sentence: ้ ญใŒ็—›ใ„ใฎใฏ、ๆ˜จๆ—ฅใ‚ใพใ‚Šๅฏใชใ‹ใฃใŸใ›ใ„ใงใ™。
Explanation: When a whole clause is made the topic with ใฏ, it usually needs to be nominalized with ใฎ. Therefore, ้ ญใŒ็—›ใ„ใฏ is not grammatical, while ้ ญใŒ็—›ใ„ใฎใฏ correctly turns “having a headache” into the topic. The pattern 〜ใฎใฏ〜ใ›ใ„ใงใ™ is commonly used to explain the cause of a situation or condition.

2: Which sentence is grammatically incorrect?

Choices
A: ๅœฐ็ƒ็’ฐๅขƒใซใคใ„ใฆ、ใ“ใ‚Œใ‹ใ‚‰ใ‚‚่€ƒใˆใฆใ„ใ‹ใชใใ‚ƒใ„ใ‘ใพใ›ใ‚“。
B: ใ“ใฎ้ƒจๅฑ‹ใฏ็‹ญใ„ใ›ใ„ใง、่ท็‰ฉใ‚’ๅ…จ้ƒจ็ฝฎใ‘ใพใ›ใ‚“。
C: ็ฉบใŒๆš—ใ„ใฎใง、ๅคฉๆฐ—ใฏใ‚ˆใใชใ‚Šใใ†ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“。
D: ๅ…„ใŒๅŠฉใ‘ใฆใใ‚ŒใŸใฎใŠใ‹ใ’ใง、่ท็‰ฉใ‚’้‹ในใพใ—ใŸ。
Answer
D
Correct Sentence: ๅ…„ใŒๅŠฉใ‘ใฆใใ‚ŒใŸใŠใ‹ใ’ใง、่ท็‰ฉใ‚’้‹ในใพใ—ใŸ。
Explanation: When ใŠใ‹ใ’ใง follows a verb clause, it attaches directly to the plain form of the verb, so ๅŠฉใ‘ใฆใใ‚ŒใŸใŠใ‹ใ’ใง is correct.

✅ Choice

Choose the best option to complete the sentence.
Goal: Practice selecting the correct grammar form according to the context.

1: ๆŽˆๆฅญใง、ใ“ใฎๅœฐๅŸŸใฎๆฐ—ๅ€™(      )、ๅ…ˆ็”Ÿใซ่ฉณใ—ใ่ณชๅ•ใ—ใพใ—ใŸ。

Choices
A: ใซใคใ„ใฆ
B: ใฎใŠใ‹ใ’ใง
C: ใ‚’้€šใ˜ใฆ
D: ใชใ‚“ใ‹
Answer
A
Explanation: ใซใคใ„ใฆ is used to mark the topic of a question, discussion, explanation, or investigation. With ่ณชๅ•ใ™ใ‚‹, the pattern Nใซใคใ„ใฆ่ณชๅ•ใ™ใ‚‹ means to ask a question about N, so it naturally indicates what the student asked the teacher about.

2: ใ‚ใจๅๅˆ†ใ—ใ‹ใชใ、ไป•ไบ‹ใฏๅŠๅˆ†ไปฅไธŠๆฎ‹ใฃใฆใ„ใพใ™。ใ“ใฎไป•ไบ‹ใฏไธ€ไบบใงใฏ(      )。

Choices
A: ็ต‚ใ‚ใฃใฆใ„ใใงใ—ใ‚‡ใ†
B: ็ต‚ใ‚ใ‚‹ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“
C: ็ต‚ใ‚ใ‚Šใใ†ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“
D: ็ต‚ใ‚ใ‚‹ใ ใ‚ใ†ใจๆ€ใ„ใพใ™
Answer
C
Explanation: ~ใใ†ใ‚‚ใ‚ใ‚Šใพใ›ใ‚“ is used when something appears very unlikely to happen based on the current situation. Since only ten minutes remain and more than half of the work is still unfinished, there is strong reason to think that one person will not be able to finish it in time.

3: ๆ˜จๆ—ฅ、ใฟใ‚“ใชใฎๅ‰ใงๅœฐ็ƒ็’ฐๅขƒใซใคใ„ใฆ็™บ่กจใ—ใพใ—ใŸ。ใใฎ็™บ่กจ(      )、่‡ชๅˆ†ใฎ่€ƒใˆใ‚’ใฟใ‚“ใชใซไผใˆใพใ—ใŸ。

Choices
A: ใซใคใ„ใฆ
B: ใฎใ›ใ„ใง
C: ใ‚’้€šใ˜ใฆ
D: ใ ใฃใŸใซ้•ใ„ใชใใฆ
Answer
C
Explanation: ใ‚’้€šใ˜ใฆ is used to show the means, channel, or experience through which something is done or communicated. Here, the presentation serves as the means by which the speaker shared their ideas with everyone.

4: A:ไปŠๅบฆใฎ็™บ่กจใ‚’ใŠ้ก˜ใ„ใงใใพใ™ใ‹。 B:(      )、ไบบใฎๅ‰ใงไธŠๆ‰‹ใซ่ฉฑใ›ใพใ›ใ‚“ใ‚ˆ。

Choices
A: ็งใซใคใ„ใฆ
B: ็งใ‚’้€šใ˜ใฆ
C: ็งใฎใŠใ‹ใ’ใง
D: ็งใชใ‚“ใ‹
Answer
D
Explanation: ใชใ‚“ใ‹ can be attached to a noun to express modesty, self-deprecation, or the idea of “someone/something like...” In this context, the speaker is downplaying their own ability before saying that they cannot speak well in front of people, so ็งใชใ‚“ใ‹ fits naturally.

✏️ Correct

Find and fix the grammar mistake in the sentence.
Goal: Practice applying grammar rules and producing accurate Japanese sentences.

1: ๅ…ˆ็”ŸใŒใ„ใคใ‚‚ๅˆ†ใ‹ใ‚Šใ‚„ใ™ใ่ชฌๆ˜Žใ—ใฆใใ ใ•ใ„ใพใ™ใŠใ‹ใ’ใง、ๆŽˆๆฅญใฎๅ†…ๅฎนใŒใ‚ˆใๅˆ†ใ‹ใ‚Šใพใ™。

Answer
ๅ…ˆ็”ŸใŒใ„ใคใ‚‚ๅˆ†ใ‹ใ‚Šใ‚„ใ™ใ่ชฌๆ˜Žใ—ใฆใใ ใ•ใ‚‹ใŠใ‹ใ’ใง、ๆŽˆๆฅญใฎๅ†…ๅฎนใŒใ‚ˆใๅˆ†ใ‹ใ‚Šใพใ™。
Explanation: Before ใŠใ‹ใ’ใง, verbs are normally used in their plain form, so the polite form ใใ ใ•ใ„ใพใ™ cannot be used directly here. The plain form of ใใ ใ•ใ„ใพใ™ is ใใ ใ•ใ‚‹, giving ่ชฌๆ˜Žใ—ใฆใใ ใ•ใ‚‹ใŠใ‹ใ’ใง.

2: ๅ›ณๆ›ธ้คจใฎ้›ปๆฐ—ใŒๆถˆใˆใฆใ„ใฆ、ใƒ‰ใ‚ขใ‚‚้–‹ใ‹ใชใ„ใฎใง、ไปŠๆ—ฅใฏไผ‘้คจใ ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“。

Answer
ๅ›ณๆ›ธ้คจใฎ้›ปๆฐ—ใŒๆถˆใˆใฆใ„ใฆ、ใƒ‰ใ‚ขใ‚‚้–‹ใ‹ใชใ„ใฎใง、ไปŠๆ—ฅใฏไผ‘้คจใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“。
Explanation: With ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“, nouns connect directly to the expression, so ใ  is not used before it.

3: ๅฐ‘ใ—็–ฒใ‚ŒใŸใ ใ‘ใชใฎใง、ไผ‘ๆ†ฉใชใชใ‚“ใ‹ๅฟ…่ฆใ‚ใ‚Šใพใ›ใ‚“。

Answer
ๅฐ‘ใ—็–ฒใ‚ŒใŸใ ใ‘ใชใฎใง、ไผ‘ๆ†ฉใชใ‚“ใ‹ๅฟ…่ฆใ‚ใ‚Šใพใ›ใ‚“。
Explanation: ใชใ‚“ใ‹ can attach directly to a noun, so ไผ‘ๆ†ฉใชใ‚“ใ‹ is correct and no ใช is needed between them. In this use, ใชใ‚“ใ‹ has a colloquial nuance of downplaying or dismissing the noun, so ไผ‘ๆ†ฉใชใ‚“ใ‹ๅฟ…่ฆใ‚ใ‚Šใพใ›ใ‚“ suggests that a break is not something the speaker considers necessary.

✏️ Rewrite

Rewrite the sentence using the given grammar pattern.
Goal: Practice expressing the same idea using different grammar structures.

1: ๅฐ‘ใ—็–ฒใ‚ŒใŸใ ใ‘ใชใฎใง、ไผ‘ๆ†ฉใฏๅฟ…่ฆใ‚ใ‚Šใพใ›ใ‚“。

Rewrite the sentence using: Nใชใ‚“ใ‹
Answer
ๅฐ‘ใ—็–ฒใ‚ŒใŸใ ใ‘ใชใฎใง、ไผ‘ๆ†ฉใชใ‚“ใ‹ๅฟ…่ฆใ‚ใ‚Šใพใ›ใ‚“。
Explanation: Nใชใ‚“ใ‹ can add a dismissive or minimizing nuance, suggesting that the noun is not important, necessary, or worth considering in the situation. Compared with simply saying that something is unnecessary, using ใชใ‚“ใ‹ makes the speaker sound more emphatic, as if they are brushing the idea aside. In this context, it reinforces the feeling that taking a break would be excessive for such a minor amount of fatigue.

2: ไธ€ๅนด้–“ใšใฃใจ、ใ“ใฎๅœฐๅŸŸใฎๆฐ—ๅ€™ใ‚’่ชฟในใพใ—ใŸ。

Rewrite the sentence using: Nใ‚’้€šใ—ใฆ
Answer
ไธ€ๅนดใ‚’้€šใ—ใฆ、ใ“ใฎๅœฐๅŸŸใฎๆฐ—ๅ€™ใ‚’่ชฟในใพใ—ใŸ。
Explanation: Nใ‚’้€šใ—ใฆ emphasizes that something continues throughout the entire span of a period, rather than simply stating its duration. Compared with ไธ€ๅนด้–“ใšใฃใจ, which directly stresses continuous action for one year, ไธ€ๅนดใ‚’้€šใ—ใฆ has a slightly more formal and structured nuance and focuses on the whole year as the time frame in which the activity took place.

3: ๆ‰‹็ถšใๅฎŒไบ†ใฎ้€ฃ็ตกใŒใพใ ๆฅใฆใ„ใชใ„ใฎใง、ใใฃใจๆ‰‹็ถšใใฏๅฎŒไบ†ใ—ใฆใ„ใพใ›ใ‚“。

Rewrite the sentence using: 〜ใซ้•ใ„ใชใ„
Answer
ๆ‰‹็ถšใๅฎŒไบ†ใฎ้€ฃ็ตกใŒใพใ ๆฅใฆใ„ใชใ„ใฎใง、ๆ‰‹็ถšใใฏๅฎŒไบ†ใ—ใฆใ„ใชใ„ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“。
Explanation: 〜ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“ expresses a strong conclusion based on evidence, making the speaker sound highly confident about what must be true. Compared with ใใฃใจ, which also shows strong expectation or certainty, 〜ใซ้•ใ„ใ‚ใ‚Šใพใ›ใ‚“ more clearly presents the statement as a logical inference drawn from the situation—here, the fact that no completion notice has arrived yet.

๐Ÿ’ฌ Complete the Dialogue

Fill in the blank to complete the conversation using the proposed grammar pattern.
Goal: Practice applying specific grammar structures to construct natural responses in realistic conversation contexts.

Complete the dialogue using: V[ใฆ-form]ใ„ใ

Question 1:
A:ๅœฐ็ƒ็’ฐๅขƒใซใคใ„ใฆใฏ、ใ‚‚ใ†ๅๅˆ†ๅ‹‰ๅผทใ—ใพใ—ใŸใ‹。
B:ใ„ใ„ใˆ。็’ฐๅขƒใฏใ“ใ‚Œใ‹ใ‚‰ใ‚‚ๅค‰ใ‚ใ‚Šใพใ™。
A:ใงใฏ、ใ“ใ‚Œใ‹ใ‚‰ใ‚‚่€ƒใˆใ‚‹ๅฟ…่ฆใŒใ‚ใ‚Šใพใ™ใญ。
B:____________。

Suggested Answer
ใฏใ„、ใ“ใ‚Œใ‹ใ‚‰ใ‚‚ๅœฐ็ƒ็’ฐๅขƒใซใคใ„ใฆ่€ƒใˆใฆใ„ใ‹ใชใใ‚ƒใ„ใ‘ใพใ›ใ‚“。
Explanation: The speakers are discussing the need to keep thinking about environmental issues because the environment will continue to change in the future. Suggested Answer: ใฏใ„、ใ“ใ‚Œใ‹ใ‚‰ใ‚‚ๅœฐ็ƒ็’ฐๅขƒใซใคใ„ใฆ่€ƒใˆใฆใ„ใ‹ใชใใ‚ƒใ„ใ‘ใพใ›ใ‚“。 fits naturally because ่€ƒใˆใฆใ„ใ expresses an action or effort that will continue from now into the future, which matches ใ“ใ‚Œใ‹ใ‚‰ใ‚‚ and the ongoing nature of the topic.
Complete the dialogue using: 〜ใ›ใ„ใง/ใ›ใ„ใ /ใ›ใ„ใ‹

Question 2:
A:ใ“ใฎๆ–‡็ซ 、ใ„ใคใ‚‚ใ‚ˆใ‚Š่ชญใฟใซใใใชใ„?
B:ใ†ใ‚“。ๅญ—ใŒๅฐใ•ใ„ใ‹ใ‚‰ใ‹ใช。
A:็งใ‚‚ไฝ•ๅบฆใ‚‚ๅŒใ˜ใจใ“ใ‚ใ‚’่ชญใ‚“ใงใ—ใพใฃใŸใ‚ˆ。
B:____________。

Suggested Answer
ๅญ—ใŒๅฐใ•ใ„ใ›ใ„ใง、ๅ†…ๅฎนใŒๅˆ†ใ‹ใ‚Šใซใใ„ใ‚“ใ ใจๆ€ใ†。
Explanation: The speakers are trying to identify why the text is unusually difficult to read, and they have already suggested the small print as a possible cause. Suggested Answer: ๅญ—ใŒๅฐใ•ใ„ใ›ใ„ใง、ๅ†…ๅฎนใŒๅˆ†ใ‹ใ‚Šใซใใ„ใ‚“ใ ใจๆ€ใ†。 fits well because 〜ใ›ใ„ใง is used to give a cause that leads to an undesirable or negative result. Here, the small size of the characters is presented as the reason the content is harder to understand, so the grammar matches both the situation and B’s conclusion naturally.
Complete the dialogue using: V[ใฆ-form]ใ„ใ

Question 3:
A:้–‹็™บใŒๅง‹ใพใ‚‹ใจ、ใ“ใฎ็”บใฏใฉใ†ใชใ‚Šใพใ™ใ‹。
B:ๆ–ฐใ—ใ„ๅบ—ใ‚„ๅฎถใŒๅข—ใˆใ‚‹ไบˆๅฎšใงใ™。
A:็”บใฎๆง˜ๅญใ‚‚ๅคงใใๅค‰ใ‚ใ‚Šใพใ™ใญ。
B:____________。

Suggested Answer
ใฏใ„、ใ“ใฎ็”บใฏใ“ใ‚Œใ‹ใ‚‰ๅฐ‘ใ—ใšใคไพฟๅˆฉใซใชใฃใฆใ„ใใงใ—ใ‚‡ใ†。
Explanation: The speakers are discussing how the town will change after development begins, especially as new shops and houses are added. Suggested Answer: ใฏใ„、ใ“ใฎ็”บใฏใ“ใ‚Œใ‹ใ‚‰ๅฐ‘ใ—ใšใคไพฟๅˆฉใซใชใฃใฆใ„ใใงใ—ใ‚‡ใ†。 fits naturally because 〜ใฆใ„ใ expresses a change that will continue or develop from the present into the future. In this context, ไพฟๅˆฉใซใชใฃใฆใ„ใ shows that the town is expected to become more convenient gradually, while ใงใ—ใ‚‡ใ† appropriately presents this as a prediction rather than a certainty.
⚠️
AI-generated content
The dialogue, images, audio, and exercises on this page were generated with the help of artificial intelligence for Japanese study practice. All content has been reviewed, adapted, and organized.

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