17.Correct the verb form of the sentences.
1. When I (come) ............................. there, they (leave) .............................
2. When I (get up) ............................. this morning, my father (leave) .............................
3. After the children (finish)........................... their homework, they (go) .......................... to bed.
4. I (do) ............................. it before he (come) .............................
5. I (meet) ............................. them after they (divorce) ............................. each other.
6. If I (not buy) ............................. this dress, I (have) ............................. money.
