`1.` Yesterday we went to the beach.
`2.` I visited London last month.
`3.` He bought a new car.
`4.` They played soccer yesterday.
`5.` We watched a movie last night.
`6.` She cooked dinner for her family yesterday.
`7.` They went to school yesterday.
`8.` We visited Italy last summer.
`9.` Linh ate dinner at a restaurant last week.
`10.` It was sunny yesterday.
`11.` Hue and Lan were not at the concert last night.
`12.` She was not at home yesterday.
`13.` Were your friends at the party last night?
`14.` Did they go to the beach yesterday?
`15.` They did not play at the park yesterday

`________________________________`

`***` Công thức:

`@` V thường

`-` Khẳng định : `S + V`(quá khứ) `+ O`

`-` Phủ định : `S + did + n ot + V + O`

`-` Nghi vấn : `Did + S + V + O?`

`@` tobe

`-` Khẳng định : `S + was//were + O`

`-` Phủ định : `S + was//were + n ot + O`

`-` Nghi vấn : `Was//were + S + O?`

`@` S `=` I`/` He`/` She`/` It `(`số ít`) `+` was

`@` S`=` We`/` You`/` They `(`số nhiều`)` `+` were

`***` Dấu hiệu nhận biết:

`-` Yesterday (hôm qua) , last (trước,qua) , ago (cách đây) , in the past (trong quá khứ)

`-` In `+` thời gian trong quá khứ