1)Have you finished the letter?No I haven't finished it.
2)He hasn.t worked very well lately.
3)Thomas hasn't lent her the money.
4)Have you eaten anything this morning?
5)Has she ever baked. a good cake?No she hasn't.
6)Have you failed in an eexamination?No I haven't.
7)He hadn't seen a play by Shakespeare for a long time.
8)How long have you lived at your present address?
9)She had not been at her aunt's for ages.
10)Have you seen him this week?No I haven't.
11)Has he finished his play?no he hasn't.
12)We haven't met him until now.