Bài 4: Chia động từ trong ngoặc cho phù hợp thì. 1. This (be) my friend, Lan. ..... 2. She (be) nice? ..... 3. They (not be) students. ..... 4. He (be) fine today. ..... 5. My brother (not be) a doctor. ..... 6. You (be) Nga? Yes, I (be) ..... 7. The children (be) in their class now. ..... 8. They (be) workers? No, They (not be) ..... 9. Her name (be) Linh. ..... 10. How you (be) ? We (be) fine, thanks. ..... 7. Where he (fly).........? to Ho Chi Minh City 8. I (eat)........my breakfast at a food store 9. My father (listen) to the radio now. 10.Where is your mother? - She ........ (have) dinner in the kitchen. 11.Mr. Nam (not work) at the moment. 12. The students (not, be) .......in class at present. 13. The children (play).. in the park at the moment. 14. Look! Thebus (come) ....................................... 15. What you (do)at this time Nam? - I often ( read) a book.

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,....

Công thức thì HTTD 

(+) S + am/is/are + Ving 

(-) S + am/is/are + not + Ving 

(?) Am/Is/Are +S +Ving? 

DHNB: now, right now, (!), at present, at the moment,.....

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1. is

This is + N số ít 

2. Is she 

3. aren't 

4. is 

5. isn't 

my brother: anh trai tôi --> số ít

6. Are you / am 

7. are

the children: những đứa trẻ --> số nhiều 

8. Are they / aren't

9. is

her name: tên của cô ấy --> số ít

10. are you / are

7. is he flying

8. am eating 

9. is listening

DHNB: now (HTTD)

10. is having

11. isn't working 

DHNB: at the moment (HTTD)

12. aren't 

DHNB: at present (HTTD)

13. are playing

DHNB: at the moment (HTTD)

14. is coming

DHNB: Look! (HTTD)

15. are you doing / am reading

DHNB: at this time (HTTD)

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