Ответы
1) Your father hasn't been cooking all weekend. Has your father been cooking all weekend?
2) Tom hasn't been driving for three hours and hasn't arrived yet. Has Tom been driving for three hours?
3) Our grandmother hasn't been having a rest since lunch time. Has our grandmother been having a rest since lunch time?
4) The students haven't been playing chess for three hours. Have the students been playing chess for three hours?
5) The baby hasn't been sleeping the whole morning. Has the baby been sleeping the whole morning?
6) It hasn't been raining since 5 o'clock. Has it been raining since 5 o'clock?
7) He hasn't heard the lecture. It was interesting. Has he heard the lecture? Was it interesting?
8) They haven't already eaten their lunch. Have they already eaten their lunch?
9) She hasn't been surfing the Internet for 3 hours. Has she been surfing the Internet for 3 hours?
10) I haven't seen him for ages. Have I seen him for ages?