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 QKHT

(+) S + had+ V3/ed 

(-) S + had + not + V3/ed 

(?) Had + S+ V3/ed?

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 QKTD 

(+) S + was/were + Ving 

(-) S + was/were+ not + Ving 

(?) Was/Were +S +Ving? 

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, ...

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

20. has given 

DHNB: Up to now (HTHT)

22. fell / hurt / was riding 

QKD + while + QKTD

Hành động đang diễn ra thì có hành động cắt ngang 

23. caught 

It's time  + S +V2/ed 

23. did

S + would rather + S + V2/ed 

24. will be meeting

DHNB: at five o'clock next Monday (TLTD)

S + will be + Ving 

25. had we moved / started

Hardly + had + S  V3/ed + when + QKĐ

26. getting /finished 

27. stay / go 

S + would rather + V1 + than + V1 

28. arrived / had already eaten 

By the time + QKĐ, QKHT

29. driving 

be used to  + Ving: quen với việc gì 

30. to take 

It's time + to V 

`color{orange}{~MiaMB~}`