0 If and whether, of course, always imply uncertainty. You can generally use if or whether when you are reporting yes/no questions. It doesn't matter which you choose: 02br 02br 00"Can you take care of Tommy for me?
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00 4. Both whether and if can be used in indirect speech to introduce a yes\no question: 12br12br
10Did they say whether\if they were going to be late? 12blockquote