Saturday, December 27, 2014

Conditionals - Zero 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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