Conditionals - Zero Conditionals

{A}  Zero Conditionals:

Nature:Result of the condition is always true

These sentences show the always true condition.

Note:

*We use the present simple in both clauses of the zero conditional. We are saying that the condition can be true at any time (it is a fact).

STRUCTURE:

*If + present simple, .... present simple.

*We can use If / when / whenever in a zero conditional sentence. They mean the same.

*This conditional is used when the result will always happen.

*The result of the 'if clause' is always the main cluase.

If	CONDITION	RESULT
	Present Simple	Present Simple
If	it rains	I stay at home.

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Some examples:

*If you heat water to 100 degrees, it boils.

*If you don't heat water to 100 degrees, it doesn't boil.

*If people eat too much, they get fat.

*If you touch a fire, you get burned.

*People die if they don't eat.

*You get water if you mix hydrogen and oxygen.

*Snakes bite if they are scared.

*If babies are hungry, they cry.

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Correct  Uses:

Correct : If/when people eat too much, they get fat.

Incorrect : If/when people eat too much, they will get fat.

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Correct : Water boils when it reaches 100°C.

Incorrect : Water boils when it will reach 100°C.

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