snowy airport

If it snows tonight, your flight 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 sentences that express real possibilities and sentences that express unreal or imaginary situations.

Real Possibilities:

snow in the aiport

If it snows, flights will be canceled.

raining heavily

You should not fly if it's raining too heavily.

weather forecast

We'll have to divert to another airport if the forecast is correct.

Unreal or Imaginary Situations:

students talking

You would understand if you spoke ICAO aviation language.

deicing plane

I could help with de-icing if I had training.

weather briefing room

I would be worried if I didn't get my weather briefing in the morning.


First Conditional

The First Conditional is used to describe real possibilities.

First Conditional: if + Present Simple, will + base verb

Seattle airport

If weather permits, we'll stop in Seattle.

weather forecast 2

If you don't understand the weather forecast, you'll have problems tomorrow.

adult students

If she doesn't study weather patterns, she won't make much improvement.

2 pilots talking

If I spill my coffee in the cockpit, the pilot will get angry.


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