Помогите пожалуйста!!! Безотлагательно!!! 17,18,19!!!

2 Weve been revising for the exam latety.
3 Ken has been working on this jgsaw puzzle for a week.
4 They havent been practising at all recently.
5 Jenny hasnt been playing computer games since 8 oclock.
6 Youve been reading that magazine all afernoon.

18
2 Has she been looking well lately? - Yes, she has.
3 Have you been watching TV all afternoon? - No, I havent.
4 Have they been planning this trip for a lng time? - Yes, they have.
5 Have you been using my toothpaste? - No, I havent.
6 Has he been workink on his new book lately? - Yes, he has.

19
2 it has been raining
3 has been using it
4 have been painting
5 have been running
6 has been exercising