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UNIT 1
                                                                              TENSES



          PRESENT PERFECT TENSE

          FORM


                           Affirmative                                   Negative

            He                                           He
           She      ’s             called him.          She        hasn’t
             It   (has)       (past participle form)             (has not)
             I                                           It
                                                                                   called him.
                                                                               (past participle form)
                                                          I
            You
                   ’ve
                                   called him.
                                                                  haven’t
            We    (have)      (past participle form)    You      (have not)
                                                         We
           They
                                                        They
                                                  Question
              Has he called him?
              Has she called him?
              Has it worked?                                What has he done?
                                                          Why has she called him?
              Have I called him?                          Where have you parked the car?
              Have you called him?
              Have we called him?
              Have they called him?


          KULLANIM


          A)   Geçmişte belli olmayan bir zamanda olmuş deneyimleri zaman vermeden ifade ederken kullanılır.
            ➠   I have travelled almost all the countries in South America.
            ➠    Laura has talked to several doctors about her illness, but her illness has not been diagnosed.
            ➠    Have you ever seen a tiger with white fur?




               Tip       Deneyimlerden bahsederken en yaygın kullanılan zarflar “ever” ve “before” zarflarıdır.



                         Deneyimlerimizi aktarmak için The Present Perfect Tense kullanılır ancak zaman ve yer gibi
               Tip       detayları vermek için ise The Simple Past Tense kullanılır. Bu yüzden yukarıdaki örnekte ikinci
                         cümlede bu yapı kullanılmıştır.



            ➠    I have visited Boston before. When I was there for a language course, I always woke up at 7.30 and
               attended classes five days a week.







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