Put the verb in parentheses in the correct form:
1.They.....................on the phone right now.(not to talk)
2. ................many books?(she,to read)
3.I...............football every Saturday.(to play)
4.We..........for a walk in the evenings.(not to go)
5.You.............tennis last weekend.(not to play)
6.What.................yesterday?(your neighbors,to do)