Change the verb into the correct form: 1. I (wait) when she (come). 2. They (work) when he (call). 3. He (read) when I (call) him. 4. When the bus (arrive) we (stand). 5. When the party (start), we (talk) outside. 6. When the police (arrive), we (go) north. 7. You (watch) the movie when we (come). 8. It (rain) when she (return). 9. Tiffany (jog) when you (meet) her. 10. The water (boil) when we (come) back. 11. The waiter (serve) when the manager (arrive). 12. When we (call) him, he (rest). 13. Steven (fly) to Italy when his mail (arrive). 14. The kids (play) with the ball when I (call) them. 15. You (sleep) when she (return).