Напишите следующие предложения в страдательном залоге. 1. I have opened the present.
2. You have not sent the parcel.
3. I had not closed the window.
4. We had lost the key.
5. Kerrie has paid the bill.
6. Had she solved the problem?
7. I have eaten a hamburger.
8. They had started a fight

The present has been opened by me.The parcel has not been sent by you.The window had not been closed by me.The key had been lost by us.The bill has been paid by Kerrie.Had the problem been solved by her?A hamburger has been eaten by me.A fight had been started by them.