1.
(-): He hasn't lived here for three years
(?): Has he lived here for three years?
2.
(+): We have been here for two weeks.
(?): Have you been here for two weeks?
3.
(+): They have missed the train
(-):They haven't missed the train
4.
(-): I haven't had breakfast this morning
(?): Have you had breakfast this morning?
5.
(+): She has passed the exam
(?): Has she passed the exam?
6.
(+): I have met his mother
(-): I haven't met his mother.
7.
(-): We haven't eaten to much chocolate
(?): Have you eaten to much chocolate?
8.
(+): I have known David for ten years
(?): Have you known David for ten years?
9.
(+): She has read the book
(-): She hasn't read the book.
Học tốt!!!