Question

Answer 1

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 they 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 too much chocolate.
    (?) Have they eaten too 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?