Conditionals 0, 1, 2.

If he comes at six, he______(not see) the film.

If she____(read) the letter, she will understand everything.

I______(tell) him the truth if he asks me.

If she______(not ring) me up tonight, I will visit her.

All the objects become warmer, when temperature _____ (rise).  

I would travel around the world if I _______ (win) the lottery.

If you mix blue and yellow, you ________ (get) green.

Kate ________ (get) better marks at school if she studied harder.

If I ________ (be) rich, I would buy that house.

My mum gets really angry if I _______ (not/tidy) my room.

If you do that again, Dad ________ (be) angry.

We _______ (not/go) to the park if they are tired.