`color{red}{-P-}`

`1`. gets

`2`. leaves

`3`. will

`-` TLĐ `(+)` S + will + V(bare) + O

`4`. were helping

`5`. was cooking

`6`. enjoyed

`7`. were having

`-----`

`@` HTĐ `(+)` S + V(s/es)

`@` QKĐ `(+)` S + V(ed/qk)

`@` QKTD `(+)` S + were/was + V-ing

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 TLĐ

(+) S + will + V1 

(-) S + won't + V1 

(?) Will + S+ V1? 

DHNB: in the future, in + năm ở TL, in + time, next week, next year, ....

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, ...

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

1. gets 

DHNB: often (HTD)

2. leaves 

DHNB: every 15 minutes (HTD)

3. will 

4. were helping

DHNB: at 10 o'clock last night (QKTD)

5. was cooking 

QKTD + when + QKD

6. enjoyed 

S + asked + O + if/whether + S+ V (lùi thì)

HTĐ --> QKĐ

7. were having 

DHNB: at 7 o'clock yesterday (QKTD)

`color{orange}{~MiaMB~}`