đệ nhờ các cao nhân giải hộ

`2` .They didn't eat lunch at the cafeteria

`3` .My sister didn't play basketball with her friends

`4` .I didn't read a newspapers on the train

`5` .It didn't rain last week

`6` .I didn't feel sick , so i didn't see a doctor

`7` .Thomas didn't have a good time at the party 

`8` .Susan didn't like the movie 

`9` .I didn't see you at the shopping mall yesterday

`10` .My wife didn't buy a new hat this morning

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`=>` Cấu trúc thì quá khứ đơn: 

`(+)` S+V2/-ed

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

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

`DHNB` :

`-` trong câu có các trạng từ: yesterday,ago,last,in the past, the day before...

`-` sau as if,as though ,it's time,if only,wish,sooner...

`(!)` 1 số động từ bất quy tắc

read(v1) `->` read(v2) `->` read(v3)

eat(v1) `->` ate(v2) `->` eaten(v3)

go(v1) `->` went(v2) `->`gone(v3)