2021-04-26 09:00:36
The
future perfect continuous tense is used in a very similar way to the
future perfect to describe the duration of a completed future action. They
both carry the same meaning when used in this way, but the future perfect continuous
emphasizes the continuous nature of the action.
By the time I get there, she
will have waited / will have been waiting for over an hour.
The meaning is technically the same in the example above; however,
will have been waiting stresses the fact that
she was continuously waiting during the future period
by the time I get there. The change in meaning is subtle, but it adds greater depth to the sentence. Here are some other examples:
“I
will have been working on this ranch for more than half my life when I turn 40.”
“She
’ll have been studying Japanese for four years by the time she graduates.”
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