PREPARATORY GRAMMAR — Unit 10: Am not Is not Are not

Exercise 1: Choose the correct answer.

1. I ___ busy today.

2. The horse ___ dirty.

3. The students ___ late.

4. She ___ sad.

5. We ___ rich.

6. I ___ sick.

🔑 Đáp án & Giải thích (Exercise 1)

1. am not — Với chủ ngữ I dùng am not.
2. is not — Danh từ số ít dùng is not.
3. are not — Danh từ số nhiều dùng are not.
4. is not — She đi với is not.
5. are not — We đi với are not.
6. am not — I dùng am not trong câu phủ định.

Exercise 2: Write the correct negative form.

1. He ___ happy.

2. They ___ awake.

3. I ___ weak.

4. The nurse ___ rude.

5. We ___ early.

6. The pots and pans ___ clean.

🔑 Đáp án & Giải thích (Exercise 2)

1. is not — He dùng is not.
2. are not — They dùng are not.
3. am not — I dùng am not.
4. is not — The nurse là số ít nên dùng is not.
5. are not — We dùng are not.
6. are not — Hai danh từ tạo thành số nhiều nên dùng are not.

Exercise 3: Choose the short answer.

1. Are the sailors busy? (No)

No, they are not. No, he is not. No, I am not.

2. Is the postman late? (No)

No, he is not. No, they are not. No, I am not.

3. Are you cold? (No)

No, I am not. No, he is not. No, they are not.

4. Is the pony strong? (No)

No, it is not. No, they are not. No, I am not.

5. Are the pirates awake? (No)

No, they are not. No, it is not. No, I am not.

6. Is she cheerful? (No)

No, she is not. No, they are not. No, I am not.

🔑 Đáp án & Giải thích (Exercise 3)

1. No, they are not. — Sailors là số nhiều nên dùng they are not.
2. No, he is not. — Postman là nam số ít nên dùng he is not.
3. No, I am not. — Trả lời cho you bằng I am not.
4. No, it is not. — Pony là con vật số ít nên dùng it is not.
5. No, they are not. — Pirates là số nhiều nên dùng they are not.
6. No, she is not. — She dùng she is not.

Exercise 4: Look at the picture and choose the answer.

Exercise Context — A bright morning in a small town. A cheerful nurse stands near a clean bench. Two students are early and happy. A postman is not late and carries letters. A strong horse stands beside a small pony. Three pirates are sleeping under a tree. One policeman is awake near the road. Clean pots and pans are on a table. The weather is cold, not hot. A snail moves slowly on the grass.

1. Who is awake near the road?

2. How many students are there?

3. What are the pirates doing?

4. What is the weather like?

5. Are the pots and pans clean?

6. What animal is next to the horse?

🔑 Đáp án & Giải thích (Exercise 4)

1. The policeman — Trong tranh, cảnh sát đang thức.
2. Two — Có hai học sinh.
3. Sleeping — Những tên cướp biển đang ngủ.
4. Cold — Thời tiết lạnh.
5. Yes — Nồi và chảo sạch.
6. A pony — Một con ngựa con đứng cạnh ngựa.

Exercise 5: Choose the correct answer.

1. The policeman ___ grumpy.

2. The students ___ poor.

3. I ___ tall.

4. The snail ___ strong.

5. We ___ free.

6. The chopsticks ___ dirty.

🔑 Đáp án & Giải thích (Exercise 5)

1. is not — Policeman là số ít.
2. are not — Students là số nhiều.
3. am not — I đi với am not.
4. is not — Snail là số ít.
5. are not — We dùng are not.
6. are not — Chopsticks được xem là số nhiều.

Exercise 6: Choose the best short answer.

1. Are the students hardworking? (Yes)

Yes, they are. Yes, he is. Yes, I am.

2. Is the nurse polite? (Yes)

Yes, she is. Yes, they are. Yes, I am.

3. Are you well? (Yes)

Yes, I am. Yes, he is. Yes, they are.

4. Is the horse alive? (Yes)

Yes, it is. Yes, they are. Yes, I am.

5. Are the sailors rich? (No)

No, they are not. No, he is not. No, I am not.

6. Is he smart? (No)

No, he is not. No, they are not. No, I am not.

🔑 Đáp án & Giải thích (Exercise 6)

1. Yes, they are. — Students là số nhiều nên dùng they are.
2. Yes, she is. — Nurse ở đây dùng she is.
3. Yes, I am. — Trả lời cho you bằng I am.
4. Yes, it is. — Horse là con vật số ít nên dùng it is.
5. No, they are not. — Sailors là số nhiều.
6. No, he is not. — He dùng he is not.