Put the verbs in brackets into the proper form:1. If it

Put the verbs in brackets into the proper form:
1. If it (be) convenient, lets meet at nine oclock. 2. It will be
impossible for me to finish my work if you (not stop) this chatter. 3.
If you (want) to have tea ready in time, put the kettle on. 4. If she (not
answer) the telephone, she would never have heard the good news. 5.
Tell him he must visit the Tower if he ever (go) to London. 6. My
friend (be able) to help us if he (be) here. 7. If it (rain), you (get) wet.
8. If you (want) me to help you, why didnt you say so? 9. If you (go)
away, please, write to me. 10. I (knit) another sweater if I (have) more
wool.