Write the first conditional sentences

IX.    Write the first conditional sentences.
1.    You should work hard, or you won’t pass the exam.
If
2.    Henry fails his examination. His parents will be sad.
If
3.    Sue shouldn’t go out this weekend, or she won’t have time to study.
=>
4.    I think it’ll snow tomorrow. I will go skiing.
If
5.    He should leave soon, or he’ll miss the bus.
If
6.    Don’t play with matches. You will hurt yourself.
If