![snow](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AUTO/Unit%2009/9-1g1.jpg)
If it snows tonight, school will be cancelled tomorrow.
Real or Unreal?
In English, there are many ways of making sentences with the word "if." It is very important to understand the difference between real possibilities, and sentences that express unreal or imaginary situations.
Real Possibilities:
![snowing](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AUTO/Unit%2009/9-1g2.jpg)
If it snows, school will be canceled.
![sick girl](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AUTO/Unit%2009/9-1g3.jpg)
You should stay home if you're sick.
![friends in a bar](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AUTO/Unit%2009/9-1g4.jpg)
We'll have a great time if you join us.
Unreal or Imaginary Situations:
![friends with a computer](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AUTO/Unit%2009/9-1g5.jpg)
You would understand if you spoke my language.
![mum and daughter](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AUTO/Unit%2009/9-1g6.jpg)
I could help you if I had time.
![worker](https://s3.amazonaws.com/smrtenglish.com/core/ENGL120AUTO/Unit%2009/9-1g7.jpg)
I would be sleepy if I didn't drink coffee in the morning.
First Conditional
The First Conditional is used to describe real possibilities.
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