`6.` has gone  `-`  has never been

`-` for a holiday `-` HTHT

`7.` didn't do

`-` last night `-` QKĐ

`8.` gave

`-` a few minutes ago `-` QKĐ

`9.` Has she eaten 

`-` yet `-` HTHT

`10.` was playing

`-` at 8.30 am yesterday `-` QKTD

`11.` painted

`-` three days ago `-` QKĐ

`12.` have studied

`-` for 7 years `-` HTHT
`13.` were having `-` started

`-` S + was/were + V_ing + O + when + S + V2/ed + O

`->` Diễn tả hành động đang xảy ra thì có hành động khác bất chợt xen vào

`14.` has had

`-` since then `-` HTHT

`15.` went

`-` yesterday `-` QKĐ

`_____________________________`

`@` QKĐ:

`(+)` S + V2/ed + O

`(-)` S + didn't +  V_inf  + O
`(?)` Did + S +  V_inf + O?
`@` HTHT:

`(+)` S + has/have + V3/ed + O

`(-)` S + has/have + not + V3/ed + O

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

`@` QKTD: `(+)` S + was/were +  V_ing + O.

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 QKĐ (V: thường)

(+) S + V2/ed 

(-) S + didn't + V1 

(?) Did + S+ V1?

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

Công thức thì QKTD 

(+) S + was/were + Ving 

(-) S + was/were+ not + Ving 

(?) Was/Were +S +Ving? 

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

6. has gone / has never been 

DHNB: for , never (HTHT)

7. didn't do 

DHNB: last night (QKD)

8. gave

DHNB: ago (QKD)

9. Has / eaten 

DHNB: yet (HTHT)

10. was playing 

DHNB: at 8.30 a.m yesterday (QKTD)

11. painted

DHNB: ago (QKD)

12. have studied 

DHNB: for 7 years (HTHT)

13. were having / started 

Hành động đang xảy ra thì có hành động khác cắt ngang 

QKTD + when + QKĐ

14. has had 

DHNB: since (HTHT)

15. went 

DHNB: yesterday (QKD)

`color{orange}{~MiaMB~}`