Wednesday, 18 November 2009

whether vs. if

We use whether:
1) After Prepositions.
I haven't settled the question of whether I'll go back home.
2) Before infinitives.
They can't decide whether to get married now or wait.
3) When a question-word clause is a subject or complement.
Whether we can stay with my mother is another matter. - (Subject)
The question is whether the man can be trusted. - (Complement)
4) If an indirect question is fronted.
Whether I'll have time I'm not sure at the moment.
5) In a two - part question with or.
The Directors have not decided whether they will recommend a dividend or reinvest the profits.
6) After verbs that are more common in a formal style.
We discussed whether we should close the shop.

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