If
UK /["/ɪf/"]/US /["/ɪf/"]/
Definition
used to say that one thing can, will or might happen or be true, depending on another thing happening or being true
In simple words: used to talk about a situation that may happen.
Examples
- If it rains tomorrow, we will stay inside.
- You can go to the party if you finish your homework.
- If you see her, tell her I said hello.
- I will help you if you ask nicely.
- If you want to come, just let me know.
Usage notes
Use 'if' to introduce conditional situations. Suitable for both spoken and written contexts. Avoid in very formal writing where alternatives like 'should' might be preferred.
Grammar pattern
if + clause
Memory hint
Think of 'if' as the door to possibilities. If you go through it, you enter a world of choices.
Collocations
- if you want
- if necessary
- if possible
- if I were you
- if it rains
Synonyms
- whether
Antonyms
- unless
Common mistakes
- Using 'if' with incorrect verb tenses (e.g., 'if I will go' instead of 'if I go').
- Confusing 'if' with 'whether' in non-conditional contexts.
- Neglecting to use 'if' when introducing a condition.