1. if my friend phoned now , i ( not to feel ) so lonely. 2. the chocolates ( not to eat up ) yet. 3. as we had agreed i ( to be ) to meet nick at 6 yesterday. 4. i saw him ( to wait ) 5. they promised that they ( to bring ) us all the necessary books.
2. The chocolates have not been eaten up yet.
3. As we had agreed I had been to meet Nick at 6 yesterday.
4. I saw him waiting.
5. They promised that they would bring us all the necessary books.