ESL grammar level C1 & C2: Conditional Sentence Type Zero

Zero conditional

Uses: General or scientific facts and difinitions. Rules. Cause and effect. Routine.
Form: (If/When/Whenever+ present tens, present tense).
Example Conditional Sentence:

If you take your cell phone into class, it must be turned off.
If you drink alcohol, don’t drive.
Do not use a calculator when you write the test.

Scientific Facts and General Truths:
If you heat ice, it melts.
If you heat water to 100 degrees Celsius, it boils.
If you drop something, it falls.
When you combine oil and water, they do not mix.
If you burn fossil fuels, carbone dioxide is produced.

Cause and Effect:
If you push the button, the volume increases.
If you close the door, it locks automatically.
The computer turns off when you disconnect the battery.

I wear my boots when I work.
She uses glasses when she drives.
When I cook, I use olive oil.


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