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

Công thức thì HTĐ (V: thường)

S số ít, he, she, it 

(+) S + Vs/es

(-) S+ doesn't + V1 

(?) Does +S +V1?

S số nhiều, I, you, we, they

(+) S + V1 

(-) S+ don't + V1 

(?) Do + S+ V1? 

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

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There is

(+) There is + a/an + N số ít

(-) There isn’t + a/an + N số ít

(?) Is there + a/an + N số ít?

→ Yes, there is

→ No, there isn’t

There are

(+) There are + số lượng  + N số nhiều

(-) There aren’t + any + N số nhiều

(?) Are there + any + N số nhiều?

→ Yes, there are

→ No, there aren’t

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III.

1. There is 

2. There are

3. There is 

4. There are

5. There is 

6. There isn’t 

7. There are

8. There is 

9. There aren’t 

10. There are

11. There is 

12. There aren’t 

13. There are

14. There is 

15. There aren’t

IV.

1. They play football every Sunday.

2. I usually walk to work.

3. He does his homework every evening.

4. She likes musical classical.

5. We usually eat dinner at home.

6. He plays the guitar.

7. They do not watch TV every evening.

8. He goes to the gym twice a week.

9. I speak fluently English.

10. Does he work in an office?

`color{orange}{~LeAiFuRuiHuiBao~}`