Dear all,

Kindly tell me which of the following are grammatical.

1) This report is due next Friday.

2) This report is due on next Friday.

3) I have a project due tomorrow.

4) I have a project due on tomorrow.

Thank you.


First, what do you think, please?

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As a non native speaker I tend to use "due on".

1 and 3 are correct. Not 2 or 4.

Thanks a lot.
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