Future perfect tense

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Future perfect tense

  1. 1. Future Perfect Tense
  2. 2. The structure of the future perfect tense subject + auxiliary verb WILL + auxiliary verb HAVE + main verb invariable invariable past participle will have V3
  3. 3. The example sentences in the future perfect tense auxiliary subject verb + I will auxiliary main verb verb have finished me by forgotten then. + You will have - She will not have gone - We will not have left. ? Will you have arrived? ? Will they have received by 10am. to school. it?
  4. 4. contraction the subject, will and have I will have I'll have I'll've you will have you'll have you'll've he will have she will have it will have he'll have she'll have it'll have he'll've she'll've it'll've we will have we'll have we'll've they will have they'll have they'll've
  5. 5. USE 1 : Completed Action Before Something in the Future The Future Perfect expresses the idea that something will occur before another action in the future. It can also show that something will happen before a specific time in the future.
  6. 6. Example • By next November, I will have received my promotion. • By the time he gets home, she is going to have cleaned the entire house. • I am not going to have finished this test by 3 o'clock. • Will she have learned enough Chinese to communicate before she moves to Beijing? • Sam is probably going to have completed the proposal by the time he leaves this afternoon. • By the time I finish this course, I will have taken ten tests. • How many countries are you going to have visited by the time you turn 50?
  7. 7. Notice in the examples above that the reference points (marked in italics) are in Simple Present rather than Simple Future. This is because the interruptions are in time clauses, and you cannot use future tenses in time clauses.
  8. 8. USE 2 : Duration Before Something in the Future (Non-Continuous Verbs) With Non-Continuous Verbs and some noncontinuous uses of Mixed Verbs, we use the Future Perfect to show that something will continue up until another action in the future. Examples: • I will have been in London for six months by the time I leave. • By Monday, Susan is going to have had my book for a week.
  9. 9. Although the above use of Future Perfect is normally limited to Non-Continuous Verbs and non-continuous uses of Mixed Verbs, the words "live," "work," "teach," and "study" are sometimes used in this way even though they are NOT Non-Continuous Verbs.

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