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Seagull Posted 10 years ago
Grammar
be sure of + if [whether] clause
Hello everyone. I have a couple of questions.
I'm pretty sure that (A) and (B) are correct, but I'm unsure about (C) and (D). Are they grammatically correct? Also, how do they sound to native speakers? Do they sound natural? --
(A) I'm not sure if he will agree with us.
(B) I'm not sure whether he will agree with us.
(C) I'm not sure of if he will agree with us.
(D) I'm not sure of whether he will agree with us.
I'm pretty sure that (A) and (B) are correct, but I'm unsure about (C) and (D). Are they grammatically correct? Also, how do they sound to native speakers? Do they sound natural? --
(A) I'm not sure if he will agree with us.
(B) I'm not sure whether he will agree with us.
(C) I'm not sure of if he will agree with us.
(D) I'm not sure of whether he will agree with us.
Top answer
seagull I'm unsure about (C) and (D). Are they grammatically correct? If they are not grammatically wrong, they should be.
- seagull I'm unsure about (C) and (D).
- Are they grammatically correct?
- If they are not grammatically wrong, they should be.
- "sure of if" and "sure of whether" just don't sound like real English to me.
- CJ
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2 Answers
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seagullI'm unsure about (C) and (D). Are they grammatically correct?If they are not grammatically wrong, they should be.
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