- when*/*/*/
- [wen]grammar word summary: When can be: ■ a conjunction: When he saw me, he waved. ■ a question adverb: When shall we meet? ■ a relative adverb: I remember the day when the war began.1) at what time or in what situation used for asking at what time or in what situation something happensWhen will we know our test results?[/ex]I asked him when he was going to start work.[/ex]2) what time sth happens used when someone knows or says at what time something happens, or in what situation it happensHe didn't say when they would leave.[/ex]3) at the time that sth else happens at the same time as something, or just after it has finishedI always wear a hat when I work in the garden.[/ex]She claims she was at a friend's house when the shooting took place.[/ex]When it stops raining, we'll go outside.[/ex]4) at a particular time or in a particular situation used for referring to a particular occasion or situationDo you remember the time when we took your mother camping?[/ex]5) introducing surprising information used for introducing a situation that makes someone's action or behaviour seem surprisingWhy does she always drive to work when she could easily take the train?[/ex]
Dictionary for writing and speaking English. 2014.