giải hộ mình bài 2,3 với ạ

Công thức thì HTHT

(+) S + has/have + V3/ed 

(-) S + has/have + not + V3/ed 

(?) Has/Have + S+ V3/ed?

DHNB: before, since + mốc thời gian, for + khoảng thời gian, yet, already, just,....

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,.....

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, ...

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

3. am going

DHNB: now (HTTD)

4. do 

DHNB: every day (HTD)

5. is cooking

DHNB: now (HTTD)

6. is / doing / is playing

DHNB: now (HTTD)

7. is reading / are listening

DHNB: now (HTTD)

8. is / doing / is reading

DHNB: now (HTTD)

9. plays 

DHNB: every Sunday (HTD)

10. do / go 

11. does / travel / travels

12. is / works

13. works

14. plays 

15. like

16. has 

17. are studying

DHNB: now (HTTD)

18. goes 

DHNB: every day (HTD)

19. am reading

DHNB: now (HTTD)

20. is ringing

DHNB: listen! (HTTD)

EX3:

1. called 

DHNB: yesterday (QKD)

2. met 

DHNB: this morning (QKD)

3. have flown / went

DHNB: several times (HTHT) - last summer (QKD)

4. did your father give 

5. moved 

DHNB: in 2005 (QKD)

6. have been 

DHNB: since (HTHT)

7. spent 

DHNB: last July (QKD)

8. have watched

DHNB: already (HTHT)

`color{orange}{~STMIN~}`