`text\{Cấu trúc của Quá Khứ Đơn (Past Simple):}`
`*` Đối với động từ thường:
`(+)` S + V_ed/V_2 + O
`(-)` S + did not / didn't + V_infinitive + O
`(?)` Did + S + V_infinitive + O?
`=>` Yes, S + did
`=>` No, S + didn't
`*` Đối với động từ tobe:
`(+)` S + was/were + N/Adj
`(-)` S + was/were not + N/Adj
`(?)` Was/Were+ S + N/Adj?
`=>` Yes, S + was/were
`=>` No, S + wasn't / weren't.
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`1)` Did they finish the work early?
`–` Yes, they did.
`2)` He was a doctor in this hospital from 1998 to 2015.
`3)` Annie didn't cook dinner last night. She ate fast food.
`4)` They bought this villa 2 months ago.
`5)` Phuong returned to Hanoi yesterday.
`6)` I didn't see her a week ago.
`7)` What did the bride wear on her wedding?
`-` She wore a white dress.
`8)` When did she move to Ho Chi Minh City?
`-` She moved to Ho Chi Minh City 5 years ago.
`#SunHee`