Answered By: Writing Center Last Updated: Nov 10, 2015 Views: 0
For is used to say how long something goes on.
e.g.: This play has been going on for a couple of weeks.
During is used to say when something happens. It is usually followed by a noun.
e.g.: Dana slipped during the presentation.
While can be used in the same context as for, but while is followed by a clause (subject + verb).
e.g.: Dana slipped while she was dancing.
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