`***` Thì quá khứ đơn: 

`(+)` S `+` Ved`/`Vc2

`(-)` S `+` didn't `+` V`-`infi

`(?)` Did `+` S `+` V`-`infi `?`

`--------`

`=>`

`1.` She bought a lot of souvenirs last summer vacation.

`2.` My mother gave me a yellow cap.

`3.` They arrived at the airport at eight o'clock this morning.

`4.` I spoke to her about my vacation.

`5.` Mr.Quang has taught mathematics for many years.

`-` Câu này có "for many years" nên chia `QKHT:` S `+` has`/`have `+` Ved`/`Vc3

`6.` I saw you at the party last night.

`7.` The children were very happy in their trip to Nha Trang.

`8.` Minh put the cake on the table.

`9.` They lived here two years ago.

`10.` Nha was late for school yesterday morning.