His name is ... - его зовут(имя)
He is called. - его зовут (куда-то)
A new book is being written by the author.
this computer is used every day by Caroline.
Ответ:
2. Have you seen it
3. I've forgot
4. Hasn't replied
5. Hasn't finished
6. Has the weather changed
7. You haven't signed
8. Have gone
9. He hasn't decided yet.
10. I just seen her.
11. Has he already gone?
12. Has your course stared yet?