Công thức thì HTĐ (V: tobe)

(+) S + am/is/are ..

(-) S + am/is/are + not .. 

(?) Am/Is/Are + S + ... ? 

I + am

S số ít, he, she, it + is

S số nhiều, you ,we, they + are

DHNB: always, usually, sometimes, often, never, seldom,....

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EX3:

1 - B

Your baby brother --> he: anh ấy, cậu ấy 

2. Đúng 

3 - E

the boys --> they: họ 

hot (adj) nóng --> tired (adj) mệt 

4 - A

You and your friends --> we: chúng tôi 

EX4: 

1. Is Belly happy? Yes, she is.

2. Is Dave bored? No, he isn't.

3. Are your friends hungry? No, they aren't.

4. Is your classroom hot? Yes, it is.

EX5: 

1. The children are sad.

2. Are your friends tired?

3. The book is funny.

4. Are you hungry?

5. The picture is nice.

6. The baby is hot.

7. Is your teacher Spanish?

8. You are clever.

EX6:

1. Yes, they are.

Dẫn chứng: Câu 3

2. No, she isn't. She is eleven.

Dẫn chứng: Câu 5

3. No, they aren't. They are happy.

Dẫn chứng: Câu 6

4. No, she isn't. She is Julia's mother.

Dẫn chứng: Câu 11

5. Yes, he is.

Dẫn chứng: Câu 12

EX7:

1. Are you sad? 

2. Are you unhappy? 

3. Is your brother happy?

4. Is your grandmother old?

5. Is your sister beautiful? 

`color{orange}{~MiaMB~}`