IF CONDITIONALS: Rewrite sentences and keep the same meaning.

You won't eat anything. You'll be hungry.
If you ____________ anything, you'll be hungry.

Take up this course. You will like it. 
If you .......................... this course, you will like it. 

I go to bed early because I work so hard. 
I _____________________________ to bed early if I didn't work so hard. 

We don't have enough room in our house. You can't stay with us. 
If we had enough room in our house, you ______________________________ with us. 

He was at work. He could not go with us. 
If he had not been at work, he ____________ with us.

I don't know his address. I can't contact him.  
If I .............................. his address, I could contact him. 

You won't eat anything. You'll be hungry. If you ____________ anything, you'll be hungry.