`2.` ....... I bought it yesterday .......

`=>` buy `->` bought: mua (Động từ bất quy tắc)

`3.` ....... I visited Paris two years ago ........

`=>` visit `->` visited: thăm quan (Động từ có quy tắc)

`4.` ........ I finished it last night .........

`=>` finish `->` finished: hoàn thành (Động từ có quy tắc)

`5.` ........ I sold it in June ........

`=>` sell `->` sold: bán (Động từ bất quy tắc)

`6.` ........ I broke the window glass a week ago ........

`=>` break `->` broke: làm vỡ (Động từ bất quy tắc)

`@` Thì `QKĐ:`

`-` Cấu trúc: 

`(+)` S `+` V`2`/ed `+` O

`(-)` S `+` didn't `+` Vinf `+` O

`(?)` Did `+` S `+` Vinf `+` O`?` (Yes/No question)

`(?)` Wh-words `+` did `+` S `+` Vinf `+` O`?` (Wh-question)

`-` Dấu hiệu: last, ago, yesterday, thời gian trong quá khứ,.....

2. I don't need a football because I bought it yesterday

3. I know a lot about Paris because I went there two years ago

4. I don't need to worry about my homework because I finished it last night

5. I haven't got a PlayStation anymore because ai sold it in June

6. Mum is angry with me because I broke the window a week ago

 Ngữ pháp cần nhớ:

S + V2/ed +O

S + did not + V( inf) + O

Did + S + V + O ?

Wh-words + did + S + V +O ?