ai kíu tớ vs aaaaaaaaa

`1,` stayed (dấu hiệu : last weekend)

`2,` went (dấu hiệu : last night)

`3,` had (dấu hiệu : last year)

`4,` was (dấu hiệu : last summer)

`5,` visited (dấu hiệu : last June)

`6,` Were - was (dấu hiệu : two years ago)

`7,` Did - buy (dấu hiệu : yesterday)

`8,` saw

`9,` ate

`10,` talked

`@` Thì Quá Khứ Đơn :

`*` Với động từ tobe:

`+)` S + was/were + ... 

`-)` S + was/were + not + ... 

`?)` Was/were + S + ... ?

-> I/he/she/it/N số ít + was , we/you/they/N số nhiều + were 

`*` Với động từ thường:

`+)` S + Ved/V2 + O

`-)` S + didn't + V-inf + O

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

`@` Dấu hiệu : yesterday , last week/month , time + ago , in + time , in the past , when I was young , ... 

$\color{lightblue}{\text{#HQuan}}$ $\color{Pink}{\text{ - Nợn }}$

`1`.stayed.

`2`.went.

`3`.had.

`4`.was.

`5`.vistited.

`6`.Was - was.

`7`.Did she buy.

`8`.saw.

`9`.ate.

`10`.talked

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

`@` Cấu trúc THTĐ với đt tobe : 

`(+)` S + was/were + ....

`(-) S + was/were + not +....

`(?)` Was/were + S +...?

`@` Cấu trúc THTĐ với đt thường :

`(+)` S + V_ed/V2.

`(-)` S + did not + V.

`(?)` Did + S + V?

`-` DHNB : Last,ago,yesterday,...