Сделайте следующие предложения отрицательными и вопросительными: 1. this book was very expensive 2. the letters were sent to a wrong address 3. this hat is john's 4. the lession is over

Отрицательные
1. This book was not very expensive.
2. The letters were not sent to a wrong address.
3. This hat is not John's.
4. The lesson is not over.

Вопросительные
1. Was this book very expensive?
2. Were the letters sent to a wrong address?
3. Is this hat John's?
4. Is the lesson over?