" Sounds fine to me, though I would not use a comma.. If you are worried about 'will' in the if- clause, remember that this is not a conditional sentence. 'If' could be replaced by 'whether' in your sentence with no real difference in meaning.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Instructor1955"I don't know if I'll be there, next September."Sounds fine to me, though I would not use a comma.. If you are worried about 'will' in the if- clause, remember that this is not a conditional sentence. 'If' could be replaced by 'whether' in your sentence with no real difference in meaning.
Instructor1955I don't know if I'll be there ...As stated above, get rid of the comma and all will be fine.