Day N5 - 1 - Grammar Practice

Complementary Exercises: Daily N5 - Day 1

After reading the lesson text, practice the grammar points introduced in Day N5-1.

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 learned in the shadowing lesson.

Grammar practiced:
✓ ใฏ
✓ ใงใฏ(ใ˜ใ‚ƒ)ใ‚ใ‚Šใพใ›ใ‚“
✓ ใ‹
✓ ใ‚‚
✓ ใงใ—ใŸ

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.
Goal: Train your ability to notice incorrect grammar patterns and avoid common mistakes.

1: Which sentence is grammatically incorrect?

Choices
A: ใ“ใฎใ‚ณใƒผใƒ’ใƒผใฏ็พŽๅ‘ณใ—ใ„ใงใ™。
B: ใ‚ใชใŸใฏๅญฆ็”Ÿใพใ™ใ‹。
C: ็”ฐไธญใ•ใ‚“ใ‚‚ๅŒป่€…ใงใ™ใ‹。
D: ๆ˜จๆ—ฅใฏๆ—ฅๆ›œๆ—ฅใงใ—ใŸ。
Answer
B
Correct Sentence: ใ‚ใชใŸใฏๅญฆ็”Ÿใงใ™ใ‹。
Explanation: 「ๅญฆ็”Ÿ」 is a noun, so the question form uses 「ใงใ™ใ‹」. 「ใพใ™ใ‹」 is for verbs. The correct form is 「ๅญฆ็”Ÿใงใ™ใ‹」.

2: Which sentence is grammatically incorrect?

Choices
A: ็งใฏๅญฆๆ กใซ่กŒใใพใ™ใงใ™。
B: ใ‚ใชใŸใ‚‚ๅญฆ็”Ÿใงใ™ใ‹。
C: ๆ˜จๆ—ฅใฎๆ˜ ็”ปใฏ้ข็™ฝใ‹ใฃใŸใงใ™。
D: ใ‚ใฎๅ…ˆ็”Ÿใฏๆœ‰ๅใงใ™。
Answer
A
Correct Sentence: ็งใฏๅญฆๆ กใซ่กŒใใพใ™。
Explanation: 「่กŒใใพใ™」 is already a polite verb form. Adding 「ใงใ™」 after it is ungrammatical.

3: Which sentence is grammatically incorrect?

Choices
A: ็งใฏใ‚‚ๅญฆ็”Ÿใงใ™。
B: ไปŠๆ—ฅใฏใ„ใ„ๅคฉๆฐ—ใงใฏใ‚ใ‚Šใพใ›ใ‚“。
C: ใ‚ใฎๅปบ็‰ฉใฏๅญฆๆ กใงใ™ใ‹。
D: ๅ‹้”ใฏๆ˜จๆ—ฅๆฅใพใ—ใŸ。
Answer
A
Correct Sentence: ็งใ‚‚ๅญฆ็”Ÿใงใ™。
Explanation: When ใ‚‚ ("also") marks the topic, it replaces ใฏ. Since both particles cannot occupy the same position after ็ง, the correct sentence is ็งใ‚‚ๅญฆ็”Ÿใงใ™。

4: Which sentence is grammatically incorrect?

Choices
A: ็”ฐไธญใ•ใ‚“ใฏๅ…ˆ็”Ÿใงใฏใ‚ใ‚Šใพใ›ใ‚“ใงใ—ใŸ。
B: ใ‚ใฎๅคงๅญฆใฏๆœ‰ๅใงใ™ใ‹。
C: ใ“ใ‚Œใฏๅคงใใ„ๆœฌใงใ™。
D: ็งใ‚‚ใฏๅญฆ็”Ÿใงใ™。
Answer
D
Correct Sentence: ็งใ‚‚ๅญฆ็”Ÿใงใ™。
Explanation: 「ใ‚‚」 replaces the particle 「ใฏ」. You cannot use both together. The correct structure is 「็งใ‚‚ๅญฆ็”Ÿใงใ™」.

✅ Choice

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

1: ็”ฐไธญใ•ใ‚“ใฏๅ…ˆ็”Ÿ(    )?

Choices
A: ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“
B: ใงใ™ใ‹
C: ใงใ—ใŸ
D: ใงใ™
Answer
B
Explanation: A direct yes/no question is formed by adding ใ‹ after ใงใ™. Therefore, the correct sentence is ็”ฐไธญใ•ใ‚“ใฏๅ…ˆ็”Ÿใงใ™ใ‹。 The other options make the sentence negative, past tense, or a statement instead of a question.

2: A: ใ‚ใชใŸใฏๅญฆ็”Ÿใงใ™ใ‹。 B: ใฏใ„、็งใฏ(    )。

Choices
A: ๅญฆ็”Ÿใงใ™ใ‹
B: ๅญฆ็”Ÿใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“
C: ๅญฆ็”Ÿใงใ—ใŸ
D: ๅญฆ็”Ÿใงใ™
Answer
D
Explanation: The reply begins with ใฏใ„, so it must be an affirmative statement. ๅญฆ็”Ÿใงใ™ is the present affirmative form that matches the question. The other options express negation, past tense, or a question, which contradict the context.

3: A: ใ‚ใชใŸใฏๅญฆ็”Ÿใงใ—ใŸใ‹。 B: ใฏใ„、็งใฏๅญฆ็”Ÿ(    )。

Choices
A: ใงใ™ใ‹
B: ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“
C: ใงใ™
D: ใงใ—ใŸ
Answer
D
Explanation: The question uses the past form ใงใ—ใŸใ‹, so the affirmative answer must match with the past ใงใ—ใŸ. Present, negative, or question forms would not agree with the tense.

4: A: ใ‚ใชใŸใฏๅŒป่€…ใงใ™ใ‹。 B: ใ„ใ„ใˆ、็งใฏๅŒป่€…(    )。

Choices
A: ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“
B: ใงใ™
C: ใงใ™ใ‹
D: ใงใ—ใŸ
Answer
A
Explanation: The answer starts with ใ„ใ„ใˆ, so the speaker denies being a doctor. The negative form ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“ is required. The other choices are affirmative or wrong tense.

✏️ Correct

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

1: ็งๅ…ˆ็”Ÿใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“。

Answer
็งใฏๅ…ˆ็”Ÿใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“。
Explanation: The topic particle ใฏ must be used after the subject ็ง. Omitting it makes the sentence ungrammatical.

2: ็งใฏๅŒป่€…ใ˜ใ‚ƒใงใ—ใŸ。

Answer
็งใฏๅŒป่€…ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“ใงใ—ใŸ。
Explanation: ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“ใงใ—ใŸ is the past negative.

3: ็งใฏไผš็คพๅ“กใงใ™ใงใ—ใŸ。

Answer
็งใฏไผš็คพๅ“กใงใ—ใŸ。
Explanation: ใงใ™ cannot be placed before ใงใ—ใŸ. The past form ใงใ—ใŸ directly follows the noun.

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.
Goal: Train your ability to notice incorrect grammar patterns and avoid common mistakes.

1: Which sentence is grammatically incorrect?

Choices
A: ๅ‹้”ใ‚‚ไผš็คพๅ“กใงใ—ใŸ。
B: ใ“ใ‚Œใฏ็งใฎๅๅ‰ใงใ™。
C: ๅ…ˆ็”Ÿใฏๆ•™ๅฎคใซใ„ใพใ—ใŸ。
D: ใ‚ใชใŸใฏ่กŒใใงใ™ใ‹。
Answer
D
Correct Sentence: ใ‚ใชใŸใฏ่กŒใใพใ™ใ‹。
Explanation: 「่กŒใ」 is a verb. The polite question form is 「่กŒใใพใ™ใ‹」. 「ใงใ™ใ‹」 does not attach directly to a verb.

2: Which sentence is grammatically incorrect?

Choices
A: ใ‚ใชใŸใ‚‚ๅญฆ็”Ÿใงใ™ใ‹。
B: ๅฝผใฏไผš็คพๅ“กใงใ™。
C: ใ‚ใชใŸใฏๅญฆ็”Ÿใงใ™ใ‹ใ‹。
D: ๆ˜จๆ—ฅใฏๆ—ฅๆ›œๆ—ฅใงใ—ใŸ。
Answer
C
Correct Sentence: ใ‚ใชใŸใฏๅญฆ็”Ÿใงใ™ใ‹。
Explanation: 「ใงใ™ใ‹」 already contains the question marker 「ใ‹」. Doubling it creates an ungrammatical form.

3: Which sentence is grammatically incorrect?

Choices
A: ๅ…ˆ็”Ÿใฏๆ•™ๅฎคใซใ„ใ‚‹ใงใ™。
B: ๆ˜Žๆ—ฅใฏๆœจๆ›œๆ—ฅใงใฏใ‚ใ‚Šใพใ›ใ‚“。
C: ใ“ใ‚Œใฏ็พŽๅ‘ณใ—ใ„ใ‚ณใƒผใƒ’ใƒผใงใ™。
D: ใ‚ใชใŸใ‚‚ๅญฆ็”Ÿใงใ—ใŸใ‹。
Answer
A
Correct Sentence: ๅ…ˆ็”Ÿใฏๆ•™ๅฎคใซใ„ใพใ™。
Explanation: 「ใ„ใ‚‹」 is a verb. The polite form is 「ใ„ใพใ™」, not 「ใ„ใ‚‹ใงใ™」. Verbs take 「ใพใ™」, not 「ใงใ™」.

4: Which sentence is grammatically incorrect?

Choices
A: ใ“ใ‚Œใฏๅคงใใ„ๆ•™ๅฎคใงใ™。
B: ใ‚ใชใŸใฏๅ…ˆ็”Ÿใงใ™ใ‹。
C: ็งใฎๅ‹้”ใ‚‚ใ‚จใƒณใ‚ธใƒ‹ใ‚ขใงใ™。
D: ๅฝผใฏๅญฆ็”Ÿใ ใงใ—ใŸ。
Answer
D
Correct Sentence: ๅฝผใฏๅญฆ็”Ÿใงใ—ใŸ。
Explanation: 「ใ 」 is the plain form of 「ใงใ™」. You cannot combine plain 「ใ 」 with the polite past 「ใงใ—ใŸ」. Use 「ใงใ—ใŸ」 alone for polite past.

5: Which sentence is grammatically incorrect?

Choices
A: ็งๅญฆ็”Ÿใ‚‚ใงใ™。
B: ๆ•™ๅฎคใฏๅคงใใ„ใงใ™ใ‹。
C: ใ‚ใฎไบบใฏๅŒป่€…ใงใ—ใŸ。
D: ๅ…ˆ็”Ÿใฏๆ˜จๆ—ฅใ„ใพใ›ใ‚“ใงใ—ใŸ。
Answer
A
Correct Sentence: ็งใ‚‚ๅญฆ็”Ÿใงใ™。
Explanation: The particle ใ‚‚ ("also") is attached directly to the noun it modifies. Therefore, ็งใ‚‚ๅญฆ็”Ÿใงใ™ is correct. In ็งๅญฆ็”Ÿใ‚‚ใงใ™, the particle is misplaced and the sentence is missing the topic marker or the correct particle placement.

✏️ Correct

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

1: ็งใฏใ‚‚ๅŒป่€…ใงใ™。

Answer
็งใ‚‚ๅŒป่€…ใงใ™。
Explanation: The particle ใ‚‚ ("also") replaces the topic particle ใฏ when it marks the same noun. Therefore, ็งใฏใ‚‚ is incorrect. The correct sentence is ็งใ‚‚ๅŒป่€…ใงใ™。

2: ็งใฏๅญฆ็”Ÿใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“ใงใ™。

Answer
็งใฏๅญฆ็”Ÿใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“。
Explanation: ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“ already functions as the polite negative ending. Adding another ใงใ™ after it is incorrect.

3: ็งใฏๅญฆ็”Ÿใงใ—ใŸใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“。

Answer
็งใฏๅญฆ็”Ÿใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“。
Explanation: ใงใ—ใŸ (past affirmative) cannot be combined with ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“ (present negative). For a present negative statement, use ๅญฆ็”Ÿใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“.

4: ็งใ‚‚ๅ…ˆ็”Ÿใ‚‚ใงใ™。

Answer
็งใ‚‚ๅ…ˆ็”Ÿใงใ™。
Explanation: Only the subject takes ใ‚‚ to express “also.” Adding a second ใ‚‚ after the predicate noun is ungrammatical.

5: ็งใฏไผš็คพๅ“กใ‚‚ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“。

Answer
็งใฏไผš็คพๅ“กใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“。
Explanation: ใ‚‚ adds an “also” meaning, but the sentence simply states a negation. Remove ใ‚‚ to form a plain negative statement.

✏️ Rewrite

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

1: ็งใฎๅ‹้”ใฏๅŒป่€…ใงใ™。

Rewrite the sentence using: N1 ใฏ N2 ใงใฏ(ใ˜ใ‚ƒ)ใ‚ใ‚Šใพใ›ใ‚“。
Answer
็งใฎๅ‹้”ใฏๅŒป่€…ใงใฏใ‚ใ‚Šใพใ›ใ‚“。
Explanation: To change a sentence from affirmative to polite negative, replace 「ใงใ™」 with 「ใงใฏใ‚ใ‚Šใพใ›ใ‚“」 (or the less formal 「ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“」).

2: ็”ฐไธญใ•ใ‚“ใฏๅ…ˆ็”Ÿใงใ™。

Rewrite the sentence using: N1 ใฏ N2 ใงใฏ(ใ˜ใ‚ƒ)ใ‚ใ‚Šใพใ›ใ‚“。
Answer
็”ฐไธญใ•ใ‚“ใฏๅ…ˆ็”Ÿใงใฏใ‚ใ‚Šใพใ›ใ‚“。
Explanation: To change a sentence from affirmative to polite negative, replace 「ใงใ™」 with 「ใงใฏใ‚ใ‚Šใพใ›ใ‚“」 (or the less formal 「ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“」).

3: ็งใฏๅญฆ็”Ÿใงใ™。

Rewrite the sentence using: N1 ใฏ N2 ใงใฏ(ใ˜ใ‚ƒ)ใ‚ใ‚Šใพใ›ใ‚“。
Answer
็งใฏๅญฆ็”Ÿใงใฏใ‚ใ‚Šใพใ›ใ‚“。
Explanation: To change a sentence from affirmative to polite negative, replace 「ใงใ™」 with 「ใงใฏใ‚ใ‚Šใพใ›ใ‚“」 (or the less formal 「ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“」).

4: ็งใฎๆฏใฏไผš็คพๅ“กใงใ™。

Rewrite the sentence using: N1 ใฏ N2 ใงใ—ใŸ。
Answer
็งใฎๆฏใฏไผš็คพๅ“กใงใ—ใŸ。
Explanation: o change an affirmative present sentence into the polite past form, replace 「ใงใ™」 with 「ใงใ—ใŸ」.

5: ใ“ใ“ใฏๆ•™ๅฎคใงใ™。

Rewrite the sentence using: N1 ใฏ N2 ใงใ—ใŸ。
Answer
ใ“ใ“ใฏๆ•™ๅฎคใงใ—ใŸ。
Explanation: o change an affirmative present sentence into the polite past form, replace 「ใงใ™」 with 「ใงใ—ใŸ」.

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.
Goal: Train your ability to notice incorrect grammar patterns and avoid common mistakes.

1: Which sentence is grammatically incorrect?

Choices
A: ใ‚ใฎๅญฆๆ กใฏๅคงใใ„ใงใ™。
B: ใ‚ใชใŸใ‚‚ๅŒป่€…ใงใ™ใ‹。
C: ๅฝผใฏๆฅใ‚‹ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“。
D: ๆ˜จๆ—ฅใฎใƒ†ใ‚นใƒˆใฏ้›ฃใ—ใ‹ใฃใŸใงใ™。
Answer
C
Correct Sentence: ๅฝผใฏๆฅใพใ›ใ‚“。
Explanation: 「ๆฅใ‚‹」 is a verb. Its negative form is 「ๆฅใพใ›ใ‚“」. 「ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“」 cannot follow a verb.

2: Which sentence is grammatically incorrect?

Choices
A: ๅ‹้”ใ‚‚ๅญฆๆ กใซ่กŒใใพใ—ใŸ。
B: ใ“ใ‚Œใฏ็งใฎๅๅ‰ใงใฏใ‚ใ‚Šใพใ›ใ‚“。
C: ใ‚ใชใŸใฏๅญฆ็”Ÿใงใ™ใ ใ‹。
D: ๆ˜จๆ—ฅใฏๆฅฝใ—ใ‹ใฃใŸใงใ™。
Answer
C
Correct Sentence: ใ‚ใชใŸใฏๅญฆ็”Ÿใงใ™ใ‹。
Explanation: The polite question is 「ใงใ™ใ‹」. Mixing 「ใงใ™」 and 「ใ 」 before 「ใ‹」 is ungrammatical.

3: Which sentence is grammatically incorrect?

Choices
A: ไปŠๆ—ฅใฏๆถผใ—ใ„ใงใ™ใญ。
B: ใ‚ใชใŸใ‚‚ไผš็คพๅ“กใงใ™ใ‹。
C: ็งใฏๅญฆ็”Ÿใพใ™。
D: ใ‚ใฎไบบใฏๅŒป่€…ใงใ—ใŸ。
Answer
C
Correct Sentence: ็งใฏๅญฆ็”Ÿใงใ™。
Explanation: 「ๅญฆ็”Ÿ」 is a noun, so it requires 「ใงใ™」, not 「ใพใ™」. 「ใพใ™」 is only used with verbs.

4: Which sentence is grammatically incorrect?

Choices
A: ใใฎใ‚ณใƒผใƒ’ใƒผใฏ็พŽๅ‘ณใ—ใ„ใงใ™。
B: ใ‚ใฎไบบใฏๆ—ฅๆœฌไบบใงใฏใ‚ใ‚Šใพใ›ใ‚“。
C: ็งใฏใ‚‚ๅญฆ็”Ÿใงใ™。
D: ๆ˜จๆ—ฅใฏใ„ใ„ๅคฉๆฐ—ใงใ—ใŸใ‹。
Answer
C
Correct Sentence: ็งใ‚‚ๅญฆ็”Ÿใงใ™。
Explanation: 「ใ‚‚」 replaces particles such as 「ใฏ」. You cannot use 「ใฏ」 and 「ใ‚‚」 together. The correct form is 「็งใ‚‚ๅญฆ็”Ÿใงใ™」.

✅ Choice

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

1: A: ๅฑฑ็”ฐใ•ใ‚“ใฏๅ…ˆ็”Ÿใงใ™ใ‹。 B: ใ„ใ„ใˆ、ๅฑฑ็”ฐใ•ใ‚“ใฏๅ…ˆ็”Ÿ(    )。

Choices
A: ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“
B: ใงใ™
C: ใงใ™ใ‹
D: ใงใ—ใŸ
Answer
A
Explanation: ใ„ใ„ใˆ signals a negative reply, so ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“ is correct. ใงใ™ would affirm, ใงใ—ใŸ is past, and ใงใ™ใ‹ is a question form, all inappropriate after ใ„ใ„ใˆ.

2: ๅฑฑ็”ฐใ•ใ‚“ใฏไผš็คพๅ“ก(    )?

Choices
A: ใงใ—ใŸ
B: ใงใ™
C: ใงใ™ใ‹
D: ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“
Answer
C
Explanation: The sentence is a question, so ใงใ™ใ‹ is needed.

3: A: ใ‚ใชใŸใฏไผš็คพๅ“กใงใ—ใŸใ‹。 B: ใฏใ„、ไผš็คพๅ“ก(    )。

Choices
A: ใงใ™ใ‹
B: ใ˜ใ‚ƒใ‚ใ‚Šใพใ›ใ‚“
C: ใงใ—ใŸ
D: ใงใ™
Answer
C
Explanation: The affirmative reply to a past question requires ใงใ—ใŸ.

4: A: ็”ฐไธญใ•ใ‚“ใฏๅ…ˆ็”Ÿใงใ™。 B: ใ‚、ๅฑฑ็”ฐใ•ใ‚“(    )ๅ…ˆ็”Ÿใงใ™。

Choices
A: ใ‚‚
B: ใฏ
C: ใŒ
D: ใฎ
Answer
A
Explanation: ใ‚‚ attaches to ๅฑฑ็”ฐใ•ใ‚“ to show that Yamada is also a teacher, matching the “also” context.
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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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