Does the sentence below need a comma?
In this summer vacation, I will keep a diary.
Thanks.
Pavlides Does the sentence below need a comma? No, but it is not wrong. I use one there to mark the inversion.
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PavlidesDoes the sentence below need a comma?
No, but it is not wrong. I use one there to mark the inversion. If the opening phrase is shortish, and there is no chance of misreading, you can omit it.
By the way, we don't keep a diary "in" summer vacation. We keep one "over" it.