If clauses type 2

If clauses type 2: Fill in the correct form of the verb (simple past).

1. The streets would be wet if it . (rain)
2. If Jake and Emma late, they would send a text message. (be)
3. I would be very sad if I my mobile. (lose)
4. The teacher would help me if he time. (have)
5. If he in the river, he would swim. (fall)