'Whether' and 'if' are
used as follows:
To introduce a yes/no question:
asked me whether/if I felt well.
To report a question :
you going to the party?
- She asked me whether/if I was going to the party (or not).
To express alternatives:
don't know whether/if I'll go to the party on Saturday (or
With whether we can
use 'or not' immediately after whether, or at the
end of the sentence.
With if we use 'or not' in end position only.
be happy whether or not we go to the party.
Whether is considered more formal
John read a letter that he’d written and
the board discussed whether it should be mailed.
The verbs discuss and decide
generally take whether rather than if
Use "whether" when you are
showing there are two possible outcomes (using
the word "or").
didn't know whether to call or to find out about her plans.
didn't know whether Ann was going to the beach or the mountains for the
use only whether
was wondering whether to go for a swim.
Use "if" when you have a
would Max do if he lost his job?
come to your party if you invite me.
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