hứa sẽ cho 5 sao và cảm ơn ạ

2.

Is she at school?

No she isn't

3.

Are you clever?
Yes i am

4. 

Are they sisters?

Yes they are

5. 

Is it a bike?

No it isn't

6. 

Is he a teacher?

Yes he is

-> Đề yêu cầu sử dụng thì HTĐ với to be

Ta có cấu trúc:

(+): S + is/am/are + O

(-): S + isn't/aren't/ am not + O

(?): Am/Is/Are + S + O?

Công thức thì HTĐ (V: tobe)

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

(-) S + am/is/are + not .. 

(?) Am/Is/Are + S + ... ? 

Yes, S + am/is/are

No, S + am/is/are + not 

I + am

S số ít, he, she, it + is

S số nhiều, you ,we, they + are

------------------------------------

2.

Are they sisters?

Yes, they are.

3.

Is she at school?

No, she isn't.

4.

Is it a bike?

No, it isn't.

5.

Are you clever?

Yes, I am.

6.

Is he a teacher?

Yes, he is.

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