Exercise11:Put the verbs in brackets into the correct form.
1/ I (look) for your note book and if I (find) it I (give) you a ring.
2/ If he (be) late, we (go) without him.
3/ If you (come) late, they (not let ) you in.
4/ If we (work ) all night we (finish) in time.
5/ Tell him to take his bike inside. If he (leave) it outside, someone (steal) it.
6/ Wait until I (be)  ready.
7/ The meeting (start)  when everybody arrives.
8/ Let's phone Mandy now before it (be)  too late.
9/  If he (not know) what to do he'll ask his