Put the verb in brackets into the necessary form

Lastv week his wife__(promise)to__(write) to him as soon as she__(can).
Her mother says she__(forget)to take her sandwiches.
His hather said his son__(have to)work harder next term.
The clerk said the ticket__(cost)five pounds two years before.
I was sure that they__(be)glad to see you next year.
We knew that she__(live)in Paris before.
I thought that the Browns often__(receive)letters from their daughter.
I was sure that he__(work), and so I didn't go into the room.
I thing that they__(come)to an agreement

1 promised to write...as she can2 had forgotten3 would have to work4 had cost5 will 6 has lived7 receive8 was working9 will come