Past tense: “happen to have” or “happened to have”?





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Alice: "The earth is flat, and the sky is green."




  Bob: "The earth is round, and the sky is blue."




Alice: "Can you provide indisputable proof of these claims?"




  Bob: "No. It's just something that I happen to have observed."





  Bob: "No. It's just something that I happened to have observed."










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  • 2




    If you had used the plain infinitive to observe, you would need to use past tense happened. But because you're using the perfect infinitive to have observed, you should use present tense.
    – Peter Shor
    Apr 15 '17 at 12:26












  • Thanks, that's what I thought. But what is a plain/perfect infinitive?
    – tjt263
    Apr 15 '17 at 13:15






  • 2




    to have observed is a perfect infinitive, because of the have. And I should have called to observe the simple infinitive, which is the standard terminology. The perfect infinitive also encompasses the past, so I happened to have observed would generally be used if you were talking about two past times – one time in the past that is the focus of the conversation, and earlier times in the past when you observed it.
    – Peter Shor
    Apr 15 '17 at 13:26








  • 1




    Although note that in speech, I happened to have observed is nearly indistinguishable from I happen to have observed.
    – Peter Shor
    Apr 15 '17 at 13:32






  • 1




    Either one is grammatically correct.
    – Knotell
    Jul 15 '17 at 3:43



















up vote
2
down vote

favorite













Alice: "The earth is flat, and the sky is green."




  Bob: "The earth is round, and the sky is blue."




Alice: "Can you provide indisputable proof of these claims?"




  Bob: "No. It's just something that I happen to have observed."





  Bob: "No. It's just something that I happened to have observed."










share|improve this question


















  • 2




    If you had used the plain infinitive to observe, you would need to use past tense happened. But because you're using the perfect infinitive to have observed, you should use present tense.
    – Peter Shor
    Apr 15 '17 at 12:26












  • Thanks, that's what I thought. But what is a plain/perfect infinitive?
    – tjt263
    Apr 15 '17 at 13:15






  • 2




    to have observed is a perfect infinitive, because of the have. And I should have called to observe the simple infinitive, which is the standard terminology. The perfect infinitive also encompasses the past, so I happened to have observed would generally be used if you were talking about two past times – one time in the past that is the focus of the conversation, and earlier times in the past when you observed it.
    – Peter Shor
    Apr 15 '17 at 13:26








  • 1




    Although note that in speech, I happened to have observed is nearly indistinguishable from I happen to have observed.
    – Peter Shor
    Apr 15 '17 at 13:32






  • 1




    Either one is grammatically correct.
    – Knotell
    Jul 15 '17 at 3:43















up vote
2
down vote

favorite









up vote
2
down vote

favorite












Alice: "The earth is flat, and the sky is green."




  Bob: "The earth is round, and the sky is blue."




Alice: "Can you provide indisputable proof of these claims?"




  Bob: "No. It's just something that I happen to have observed."





  Bob: "No. It's just something that I happened to have observed."










share|improve this question














Alice: "The earth is flat, and the sky is green."




  Bob: "The earth is round, and the sky is blue."




Alice: "Can you provide indisputable proof of these claims?"




  Bob: "No. It's just something that I happen to have observed."





  Bob: "No. It's just something that I happened to have observed."







grammar tenses past-tense is-it-a-rule fast-speech-rules






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asked Apr 15 '17 at 7:08









tjt263

304211




304211








  • 2




    If you had used the plain infinitive to observe, you would need to use past tense happened. But because you're using the perfect infinitive to have observed, you should use present tense.
    – Peter Shor
    Apr 15 '17 at 12:26












  • Thanks, that's what I thought. But what is a plain/perfect infinitive?
    – tjt263
    Apr 15 '17 at 13:15






  • 2




    to have observed is a perfect infinitive, because of the have. And I should have called to observe the simple infinitive, which is the standard terminology. The perfect infinitive also encompasses the past, so I happened to have observed would generally be used if you were talking about two past times – one time in the past that is the focus of the conversation, and earlier times in the past when you observed it.
    – Peter Shor
    Apr 15 '17 at 13:26








  • 1




    Although note that in speech, I happened to have observed is nearly indistinguishable from I happen to have observed.
    – Peter Shor
    Apr 15 '17 at 13:32






  • 1




    Either one is grammatically correct.
    – Knotell
    Jul 15 '17 at 3:43
















  • 2




    If you had used the plain infinitive to observe, you would need to use past tense happened. But because you're using the perfect infinitive to have observed, you should use present tense.
    – Peter Shor
    Apr 15 '17 at 12:26












  • Thanks, that's what I thought. But what is a plain/perfect infinitive?
    – tjt263
    Apr 15 '17 at 13:15






  • 2




    to have observed is a perfect infinitive, because of the have. And I should have called to observe the simple infinitive, which is the standard terminology. The perfect infinitive also encompasses the past, so I happened to have observed would generally be used if you were talking about two past times – one time in the past that is the focus of the conversation, and earlier times in the past when you observed it.
    – Peter Shor
    Apr 15 '17 at 13:26








  • 1




    Although note that in speech, I happened to have observed is nearly indistinguishable from I happen to have observed.
    – Peter Shor
    Apr 15 '17 at 13:32






  • 1




    Either one is grammatically correct.
    – Knotell
    Jul 15 '17 at 3:43










2




2




If you had used the plain infinitive to observe, you would need to use past tense happened. But because you're using the perfect infinitive to have observed, you should use present tense.
– Peter Shor
Apr 15 '17 at 12:26






If you had used the plain infinitive to observe, you would need to use past tense happened. But because you're using the perfect infinitive to have observed, you should use present tense.
– Peter Shor
Apr 15 '17 at 12:26














Thanks, that's what I thought. But what is a plain/perfect infinitive?
– tjt263
Apr 15 '17 at 13:15




Thanks, that's what I thought. But what is a plain/perfect infinitive?
– tjt263
Apr 15 '17 at 13:15




2




2




to have observed is a perfect infinitive, because of the have. And I should have called to observe the simple infinitive, which is the standard terminology. The perfect infinitive also encompasses the past, so I happened to have observed would generally be used if you were talking about two past times – one time in the past that is the focus of the conversation, and earlier times in the past when you observed it.
– Peter Shor
Apr 15 '17 at 13:26






to have observed is a perfect infinitive, because of the have. And I should have called to observe the simple infinitive, which is the standard terminology. The perfect infinitive also encompasses the past, so I happened to have observed would generally be used if you were talking about two past times – one time in the past that is the focus of the conversation, and earlier times in the past when you observed it.
– Peter Shor
Apr 15 '17 at 13:26






1




1




Although note that in speech, I happened to have observed is nearly indistinguishable from I happen to have observed.
– Peter Shor
Apr 15 '17 at 13:32




Although note that in speech, I happened to have observed is nearly indistinguishable from I happen to have observed.
– Peter Shor
Apr 15 '17 at 13:32




1




1




Either one is grammatically correct.
– Knotell
Jul 15 '17 at 3:43






Either one is grammatically correct.
– Knotell
Jul 15 '17 at 3:43












2 Answers
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From the corpus of the Longman Dictionary, it seems the general past tense form is ‘happened to do’. Although I think ‘happen to have observed’ sounds better in your example, as it is not really describing a past case.



(A search led me here because of the title, so I do not think my answer is completely irrelevant.)






share|improve this answer




























    up vote
    -1
    down vote













    As Peter Shor has written, only I happen to have observed is correct. Whereas have observed is perfect, it describes knowledge due to a past experience—similar to the Present Perfect tense. The verb happen, acting as stative verb, tells that the speaker is referring to his present knowledge.



    Compare:




    1. I happen to know your father.

      (I know your father.)


    2. I happen to have known your father.

      (I used to know your father.)



    happen here emphasizes the random nature of this circumstance and the irrelevance of its causes to the conscious efforts of the three persons involved.






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      2 Answers
      2






      active

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      2 Answers
      2






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes








      up vote
      0
      down vote













      From the corpus of the Longman Dictionary, it seems the general past tense form is ‘happened to do’. Although I think ‘happen to have observed’ sounds better in your example, as it is not really describing a past case.



      (A search led me here because of the title, so I do not think my answer is completely irrelevant.)






      share|improve this answer

























        up vote
        0
        down vote













        From the corpus of the Longman Dictionary, it seems the general past tense form is ‘happened to do’. Although I think ‘happen to have observed’ sounds better in your example, as it is not really describing a past case.



        (A search led me here because of the title, so I do not think my answer is completely irrelevant.)






        share|improve this answer























          up vote
          0
          down vote










          up vote
          0
          down vote









          From the corpus of the Longman Dictionary, it seems the general past tense form is ‘happened to do’. Although I think ‘happen to have observed’ sounds better in your example, as it is not really describing a past case.



          (A search led me here because of the title, so I do not think my answer is completely irrelevant.)






          share|improve this answer












          From the corpus of the Longman Dictionary, it seems the general past tense form is ‘happened to do’. Although I think ‘happen to have observed’ sounds better in your example, as it is not really describing a past case.



          (A search led me here because of the title, so I do not think my answer is completely irrelevant.)







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 3 hours ago









          Yongwei Wu

          1011




          1011
























              up vote
              -1
              down vote













              As Peter Shor has written, only I happen to have observed is correct. Whereas have observed is perfect, it describes knowledge due to a past experience—similar to the Present Perfect tense. The verb happen, acting as stative verb, tells that the speaker is referring to his present knowledge.



              Compare:




              1. I happen to know your father.

                (I know your father.)


              2. I happen to have known your father.

                (I used to know your father.)



              happen here emphasizes the random nature of this circumstance and the irrelevance of its causes to the conscious efforts of the three persons involved.






              share|improve this answer



























                up vote
                -1
                down vote













                As Peter Shor has written, only I happen to have observed is correct. Whereas have observed is perfect, it describes knowledge due to a past experience—similar to the Present Perfect tense. The verb happen, acting as stative verb, tells that the speaker is referring to his present knowledge.



                Compare:




                1. I happen to know your father.

                  (I know your father.)


                2. I happen to have known your father.

                  (I used to know your father.)



                happen here emphasizes the random nature of this circumstance and the irrelevance of its causes to the conscious efforts of the three persons involved.






                share|improve this answer

























                  up vote
                  -1
                  down vote










                  up vote
                  -1
                  down vote









                  As Peter Shor has written, only I happen to have observed is correct. Whereas have observed is perfect, it describes knowledge due to a past experience—similar to the Present Perfect tense. The verb happen, acting as stative verb, tells that the speaker is referring to his present knowledge.



                  Compare:




                  1. I happen to know your father.

                    (I know your father.)


                  2. I happen to have known your father.

                    (I used to know your father.)



                  happen here emphasizes the random nature of this circumstance and the irrelevance of its causes to the conscious efforts of the three persons involved.






                  share|improve this answer














                  As Peter Shor has written, only I happen to have observed is correct. Whereas have observed is perfect, it describes knowledge due to a past experience—similar to the Present Perfect tense. The verb happen, acting as stative verb, tells that the speaker is referring to his present knowledge.



                  Compare:




                  1. I happen to know your father.

                    (I know your father.)


                  2. I happen to have known your father.

                    (I used to know your father.)



                  happen here emphasizes the random nature of this circumstance and the irrelevance of its causes to the conscious efforts of the three persons involved.







                  share|improve this answer














                  share|improve this answer



                  share|improve this answer








                  edited Jul 15 '17 at 11:33

























                  answered Jul 14 '17 at 21:33









                  Ant_222

                  29514




                  29514






























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