Question

I won't be able to come tomorrow is this grammatically correct

Answer 1

No. The correct answer is 'I shan't be able to come tomorrow.'

Answer 2

'I won't be able to come tomorrow' this sentence is grammatically correct.

Explanation:

• The given sentence is a proper one and satisfies the grammatical rules. Because, it conveys like that you are having a very less chances of visiting or attending the place and you are confirming in your side.  

• This type of sentence framing could be used when someone has been expected to attend a function, meeting or an event, however, he/she is not able to do so for some other reasons.