chuyển sang dạng phủ định và nghi vấn
1. my father repaired my bike lastweek
(-) My father didn't repair my bike last week
(?) Did your father repair your bike last week?
2. she used to get up late every morning
(-) She didn't use to get up late every morning
(?) Did she use to get up late every morning?
3. I was tied yesteday
(-) I wasn't tired yesterday
(?) Were you tired yesterday?
4. they played soccer well last season
(-) They didn't play soccer well last season
(?) Did they play soccer well last season?
5. he bought me a new car last birthday
(-) He didn't buy me a new car last birthday
(?) Did he buy you a new car last birthday?
6. there used to be a big tree behind may house
(-) There didn't use to be a big tree behind my house
(?) Did there use to be a big tree behind your house?
