Use future perfect tense for a future state or event that will take place before another future event.
** Verbs in the future perfect tense take the helping verb “will have”.
E.g. By the end of the week, I will have worked four hours of overtime.
Verbs
On the SAT, you’ll find sentences that are wrong because a verb is in the wrong tense. English has six tenses, and each has a simple form and a progressive form.
Simple Progressive
Present I work I am working
Past I worked I was working
Future I will work I will be working
Present Perfect I have worked I have been working
Past Perfect I had worked I had been working
Future Perfect I will have worked I will have been working
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