11. 

(−-) I didn't go to the movies with my boyfriend last night.

(??) Did you go to the movies with my boyfrend last night ?

22.

(−-) My mother didn't go to the market yesterday.

(??) Did my mother go to the market yesterday ?

33.

(−-) Mary didn't send me a letter apologizing for being late for his appointment last night.

(??) Did Mary send me a letter apologizing for being late for his appointment last night?

44

(−-) I didn't buy a new computer yesterday.

(??) Did you buy a new computer yesterday?

55

(−-) I didn't walk to school.

(??) Did you walk to school?

66

(−-) He didn't give me a bouquet of roses.

(??) Did he give me a bouquet of roses?

77

(−-) Karty didn't bake a cake last night 

(??) Did Karty bake a cake last night ?

88

(−-) My family didn't go to Da Nang to see the fireworks festival last year.

(??) Did my family go to Da Nang to see the fireworks festival last year ?

99

(−-) I didn't call him to dicuss a new project.

(??) Did you call him to dicuss a new project?

1010

(−-) She didn't invite me to her birthday party

(??) Did she invite me to her birthday party?

−−−−−−−−−−----------

∘∘ Cấu trúc QKĐ:

(++) S + V2/ed + ...

(−-) S + didn't + V(bare)

(??) Did + S + V(bare) ?

−- DHNB: Yesterday, Ago, last month, last night, last Sunday/Monday/Tuesday/Wednesday,