USES OF THE FIRST CONDITIONAL
To talk about likely future situations and their possible consequences.
- If it rains this weekend, I‘ll stay inside and watch a film.
- If it doesn’t rain this weekend, I‘ll do some work in the garden.
- I‘ll cry if my train home is cancelled.
To make predictions.
- If electric cars become cheaper, then more people will buy them.
- If you don’t move that plate, it‘ll fall off the table and break.
- If you leave some food outside, the birds will come.
STRUCTURE
Example: If my train is cancelled, I will cry.
Condition (if-clause): present simple
Result (main clause): will + base verb
You can change the order of the sentence and the meaning stays the same:
I will cry if my train is cancelled.