Use the proper tense the sentences.
1. After I (finish) my homework this evening, I (take) a walk.
2. When we (go) to the park, we (phone) you.
3. He (stay) home if it (rain) tomorrow.
4. I (wait) for the doctor until he (come) back from the hospital.
5. If I (feel) well tomorrow, I (go) to work.
