"In clauses after if, we usually talk about uncertain events and situations: things which may or may not be true, etc.
1. Ask Johnif he's staying tonight. (He may or may not be staying.)
2. If I see Annie I'll give her your love. (I may or may not see Annie.)"
The above passage is quoted from Practical English Usage, second edition.
I feel that the if has different meanings in the examples. In #1, it means whether, introducing a noun clause. In #2, it introduces an adverbial clause. It is very misleading to use them as examples of the same category. Am I right?
Thank you very much for your reply.
Top answer
' ? Best wishes, Clive
— Clive
' ?
Best wishes, Clive
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But is it not true that in both of these sentences, the clause after if talks about 'uncertain events and situations: things which may or may not be true, etc.'?