Complete the sentences with the correct form of the verbs in brackets the teacher (not come), we'll go and work in the library.2when i reach the airport, i (phone) you.3they (have) the concert outside if it (not rain).4it (be) too late to see the film if we (get) home after seven o'clock.5if we (not go) now, we (miss) the train.6she (have) problems with her teeth if she (not brush) them every day.7you (be) in trouble if you (leave) your dirty plates all over the kitchen! 8if you (not train) more, you (not become) a winner!