If
/ɪf/conjunction
Used to introduce a condition or choice.
If it rains, we will stay at home.
Often appears as...
- if only
- even if
Definition 1 of 5
Pro Tip 1/3Conditional Outcome
Shows consequence or outcome that depends on whether the first part happens.
If you study hard, you'll pass the exam.
Pro Tip 2/3Choice Indication
Used when indicating choices or alternatives available.
If you prefer tea, we also have green and black.
Pro Tip 3/3Real vs. Unreal
Distinguishes real situations from hypothetical ones, with different verb forms used.
If he is there, say hello. If he were there, you would see him.
Compare with
assumeconceivablegrantonly ifprovidesupposeunlesswhether
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