when or if
When do we use when and if?
Word | Explanation | Example |
---|---|---|
when | you are sure that something will happen | When I'm in Paris, I'll visit you. (I'm sure, that I'm going to Paris.) |
if | you are not sure that something will happen | If I'm in Paris, I'll visit you. (I'm not sure, that I'm going to Paris.) |
ATTENTION! – You can both use when and if when you talk about things that happen repeatedly (in generalizations).
- When you freeze water, it expands.
- If you freeze water, it expands.