First and Zero Conditional

If somebody uses a mobile phone a lot, they have to spend a lot of money.

If people are slim and fit, they go in for sport.

If you heat water to 100 degrees, it will boil.

If the weather is good tomorrow, we are going to visit the museum.

I will help you when I have time.

Tom doesn't be tired if he gets enough sleep.

If you mix red and blue, you will get purple.

What will you do if you fail your test next week?

If Ben hasn't breakfast, he gets bad-tempered.

If my dog is glad to see me, it wags its tail.

If Liz have free time tomorrow, she can help you.

If Bob is tired tomorrow, he won't go to the party.