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irregular verb reave **
** This verb (in all forms) is obsolete or is used only in particular cases or dialects.
The
future perfect tense is used to describe events in the future. Despite the fact that this tense is hardly used in ordinary conversation, it is still necessary to know it.
The future perfect tense is very similar to the
past perfect and
present perfect tenses and is formed with the same principle. It is used most often in written speech and formal reports - we don't come across it much in speech.
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