` 1. ` didn't visit, caught

` 2. ` were

` 3. ` received

` 4. ` went

` 5. ` met

` 6. ` did Thomas Edision die

` - ` QKD:

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

` ( - ) ` S + did + not + V - inf + O

` ( ? ) ` Did + S + V - inf + O?

` - ` DHNB: Ago, yesterday, in + năm, in the past, ...

` -> ` Dùng để diễn tả một hành động đã diễn ra và đã kết thúc trong quá khứ

` 7. ` has planted

` 8. ` has stayed 

` 9. ` has met

` 10. ` hasn't taught

` 11. ` Has, made

` - ` Thì HTHT:

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

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

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

` - ` Chủ ngữ số ít ( He, She, It ) + has ( not )

` - ` Chủ ngữ số nhiều ( I, We, You, They ) + have ( not )

` - ` DHNB: Since + mốc thời gian, for + quãng thời gian, yet, already, recently, ...

` -> ` Dùng để diễn tả một hành động ở quá khứ nhưng vẫn còn liên quan đến hiện tại

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: 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. didn't visit / caught

DHNB: last Sunday (QKD)

2. were

DHNB: yesterday (QKD)

3. received

DHNB: ago (QKD)

4. went

DHNB: yesterday (QKD)

5. met

DHNB: last night (QKD)

6. did Thomas Edison die

DHNB: in 1931 (QKD)

7. has planted

DHNB: for 30 minutes (HTHT)

8. has stayed

DHNB: since (HTHT)

9. has met

DHNB: recently (HTHT)

10. hasn't taught

DHNB: since 1990 (HTHT)

11. Has / made

DHNB: yet (HTHT)

`color{orange}{~LeAiFuRuiHuiBao~}`