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As far as I know these are tenses that you do not often use. Am I right?

Will have been + verb+ing

Would have been + verb+ing

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  • I do not use them often; I try not to abuse tenses. I've been wrong before, I will have been wrong again. Commented Jan 23, 2014 at 19:25
  • Verb+ing = gerund ?"I would have been playing soccer if my work was complete"
    – Argot
    Commented Jan 23, 2014 at 19:25
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    @argot: This is a present participle; using 'gerund' here is at best highly disputable. Commented Jan 23, 2014 at 19:29
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    Thank you all so much. but, would you please kindly answer my original question?
    – nima
    Commented Jan 23, 2014 at 19:31
  • possible duplicate of Who knows which tenses of English are not used or used merely?
    – Mitch
    Commented Jan 23, 2014 at 22:54

1 Answer 1

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You are right that the two constructions are not often used. This is because they express uncommon ideas. Both are grammatical, however, and could be used as follows:

By the time I retire I will have been working here for 45 years.

If you had called me 10 minutes ago, I would have been sleeping.

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    +1 "This is because they express uncommon ideas." It's not that these tenses are avoided, it's simply that they are not often needed. Commented Jan 23, 2014 at 20:55
  • It's just that these aren't tenses. They're just a couple of the many thousands of possible English auxiliary verb constructions, most of which are used infrequently because there are so many of them. Commented Jan 23, 2014 at 21:06
  • @JohnLawler So do linguisticians not consider the future-perfect a tense?
    – WS2
    Commented Jan 23, 2014 at 21:38
  • No more than they consider the Past Usitative Necessitive a tense. What you call "future-perfect" is a combination of the modal auxiliary will with a perfect construction. One can do the same with the other modal auxiliaries may, might, must, can, could, shall, should, and would. And one can do the same with all kinds of other constructions, like the "Past Usitative Necessitive Tense" of go, I used to have to go. Commented Jan 23, 2014 at 23:48
  • Oh, and it's linguist, by the way. As you are surely aware, nobody ever uses linguistician. Commented Jan 23, 2014 at 23:49

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