Thursday, May 3, 2012

Zero Conditional

Zero Conditional: certainty

We use the so-called zero conditional when the result of the condition is always true, like a scientific fact.
Take some ice. Put it in a saucepan. Heat the saucepan. What happens? The ice melts (it becomes water). You would be surprised if it did not.
present simplepresent simple
Ifyou heat iceit melts.
Notice that we are thinking about a result that is always true for this condition. The result of the condition is an absolute certainty. We are not thinking about the future or the past, or even the present. We are thinking about a simple fact. We use the present simple tense to talk about the condition. We also use the present simple tense to talk about the result. The important thing about the zero conditional is that the condition always has the same result.
We can also use when instead of if, for example: When I get up late I miss my bus.
Look at some more examples in the tables below:
present simplepresent simple
IfI miss the 8 o'clock busI am late for work.
IfI am late for workmy boss gets angry.
Ifpeople don't eatthey get hungry.
Ifyou heat icedoes it melt?

present simplepresent simple
I am late for workifI miss the 8 o'clock bus.
My boss gets angryifI am late for work.
People get hungryifthey don't eat.
Does ice meltifyou heat it?



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