Use 0 Conditional
1)If you (call) Pete, tell Jim I'm fi ne.
2)If Stella(get) sick, Tom call a doctor.
3)If it (become) dark, I get scared.
4)If you (have) a big dog, feed it well.
5)If Jack(go) on holiday, he visit his parents.
6)If Sam and Bill(have) time they play I get scared.