15.When_________ your grandma ________(come) home after war?

16. Cuc_________________(not/read) the story yesterday

17. When________________(be) Phan in London the last time? - I think in 2002

18. Why _________Lan ____________ (help) your brother with the housework?

-Because he__________(be) rather lazy all the time

19. My cat sometimes________________(catch) a mouse and ___________ (bring) it to the front car

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 QKĐ (V: to be)

(+) S + was/were + ... 

(-) S + was/were + not ... 

(?) Was/Were + S ... ? 

S số ít, I, he, she, it + was

S số nhiều, you, we ,they + were

Công thức thì QKĐ (V: thường)

(+) S + V2/ed 

(-) S + didn't + V1 

(?) Did + S+ V1?

DHNB: ago, last (year, month ...), yesterday, in + năm QK, ...

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

1. went 

DHNB: last weekend (QKD)

2. don't visit 

DHNB: every weekend (HTD)

3. Did your dad make 

DHNB: yesterday (QKD)

4. sent

DHNB: yesterday afternoon

5. does

DHNB: always (HTD)

6. travelled

DHNB: last month (QKD)

7. Did / have

DHNB: last night (QKD)

8. arrives / checks 

Lịch trình, kế hoạch --> HTD

9. received

DHNB: ago (QKD)

10. works

11. went / watched

DHNB: yesterday (QKD)

12. eats / ate

DHNB: always (HTD) - ago (QKD)

13. drink

DHNB: seldom (HTD)

14. takes 

DHNB: in the morning (HTD)

15. did / come 

16. didn't read 

DHNB: yesterday (QKD)

17. was 

DHNB: the last time, in 2002 (QKD)

18. does / help / is 

19. catches / brings 

DHNB: sometimes (HTD)

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