1. If
it (rains) tomorrow, we (will watch) a video.
2. If the plane (leaves) on time, I (will be) in New York by lunchtime.
3. If you (lie) to me once more, I
(will not/speak) to you again.
4. If they (help) you, you (will have to) thank
them.
5. If you (do not/come) to the party, I (will not/go).