Rewrite these sentences, using if clause

Rewrite these sentences, using if clause:  

1.It’s impossible to do this because we have no time.

2.You steal because you are not honest.

3.Maybe it’ll rain. We’ll cancel the picnic.

4.Tom is lazy, so he fails the exam.

5.Lan doesn’t get the job because she can’t speak English.

6.Tom drives carelessly and he causes the accident.