1. A: How does tim like his new school?
    B: We (know) next Monday? when his classes (start)
2. A: How does Tim Like his new school?
    B: No way! If I ....... (walk) to work, I ........ (be) late.
3. A: Poar Mary. She looks exhausted!
    B: Yes, but if she .....(not/be) tired!
4. A: Should i wear my red dress or my blue trousers to Mary's party?
    B: If i .......(be) you, i ........ (wear) you red dress.
5. A: Do you like living in London? 
    B: Not really. If i .........(have) a choice, i ......... (move) to the countryside.