Поставьте следующие предложения в вопросительную и отрицательную форму (Present Perfect)
1. He has baughl a new bike
2. I've sent a letter to my friend
3. She has made a very bad mistake.
4 The children have gone to bed
5 I have seen a mouse in the kitchen.
6. We've met our business partners.
7 I've lost my student identity card
8 They have cleaned their rooms
9 The tourists have visited the National Gallery.
10. The teacher has checked our tests
11. Harry has broken his car
12 I've forgotten his phone number
13 They have left for Rome
14 Mary has seen this film
15 We have read this deteclive story.
16 He has taken my credit card.