When - Grammar - Cambridge Dictionary
https://dictionary.cambridge.org/grammar/british-grammar/when
WebWhen - Grammar - Cambridge Dictionary. Grammar > Nouns, pronouns and determiners > Question words > When. from English Grammar Today. When is a wh -word. We use when to ask questions, as a conjunction and to introduce relative clauses. When as a question word. We can use when to ask for information about what time something happens:
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