2. phủ định: He didn't go to the party.
nghi vấn: Did he go to the party?
3. phủ định: He doesn't practice French with classmates.
nghi vấn: Does he practice French with classmates?
4. phủ định: Mr. Green didn't look at the pictures and postcards.
nghi van: Did Mr. Green look at the pictures and postcards?
5 phu dinh: The visitor ought not to stay here
nghi van : Does the visitor ought to stay here?
6 . phu dinh: Martin is not going to buy a new computer.
nghi van: Is Martin going to buy a new computer?
7 . phu dinh: She didn't weigh 40 kilos last time
nghi van: Did she weigh 40 kilos last time?
8. phu dinh: Mary and Peter are not the same height.
nghi van: Are Mary and Peter the same height?
9. phu dinh: The clothing store doesn't open every day.
nghi van: Does the clothing store open every day?
10. phu dinh: She cann't speak Japanese
nghi van: Can she speak Japanese?
11. phu dinh: We won't return home next Sunday
nghi van: Will we return home next Sunday?
12.phu dinh : We don't have dinner at Mr.Green house.
nghi van: Do we have dinner at Mr.Green house?
13. phu dinh: They don't sing a happy song.
nghi van: Do they sing a happy song?
14. phu dinh: He didn't have a new house last year
nghi van: Did he have a new house last year?
15. phu dinh: Yesterday they didn't eat out
nghi van: Did they eat out yesterday?
16. phu dinh:Her parents don't drive her to school everyday
nghi van: Do her parents drive her to school everyday?
17. phu dinh: They won't be in grade 8 next year
nghi van: Will they be in grade 8 next year?
18. phu dinh: Susan didn't make cake yesterday
nghi van: Did Susan make cakes yesterday?
19. phu dinh: Tom couldn't swim two months ago.
nghi van: Could Tom swim twos months ago?
20. phu dinh: We don't love Viet Nam
nghi van: Do we love Viet Nam?