If you heat water to 100 degrees, it boils.

Examples:

  • If you miss the 7.30 bus, you're late for school.
  • If you are late for school, your teacher gets cross.
  • if ice is at room temperature, it melts.

Now try the quiz.

Are the sentence true or false?

The zero conditional is used when the result is no longer possible.

False. When the result is always true.

Children get hungry if they don't eat regularly.

True. This is a zero conditional.

People get tired when they don't have enough sleep.

True. This is a zero conditional.

If it rains, I won't go to the park.

False. This is a first conditional.

She'll be late if the bus is delayed.

False. This is a first conditional.