Page 190 - PDF_Oxford Grammar for Schools 5_Neat 1
P. 190

Present perfect/continuous


                                                regular                        irregular

           Affirmative

            1 / you / we / they've
           he/she /it's                         worked/been working            written/been writing
           Negative

            1 / you / we / they haven't
           he/ she /it hasn't                   worked/been working            written/been writing

           Questions

           Have 1 / you / we / they
                                                worked/been working?           written/been writing?
            Has he /she /it

           Short answers
           Yes, 1 / you / we / they have.       No,1 / you / we / they haven't.
           Yes, he/she /it has.                 No, he/she /it hasn't.


          Past participles of regular verbs are the same as the past simple -ed form. For spelling rules
          of regular -ed forms, see page 189.

          There are no rules for irregular past participles.They are often different from the past simple form.
          You must learn each one individually.See the list on page 192.



          Past perfect/continuous

          Weformthe past perfectwith had# past participle.Weform the pastperfectcontinuous

          with had + been + -ing form.
                                                          regular                        irregular                    1

           Affirmative

            Fullform
            1 / you / he / she / it / we / they had
                                                          worked/been working            written/been writing
            Short form

            1 / you / he / she / it/ we / they'd

            Negative

            1 / you / he / she / it/ we / they hadn't     worked/been working            written/been writing


            Questions

            Had 1 / you / he/ she / it / we / they        worked/been working?           written/been writing?


            Short answers

            Yes, 1 / you / he / she / it/ we / they had.  No,1 / you / he/ she / it/ we / they hadn't.














          190 Appendix
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