Present perfect tense



.  PRESENT PERFECT .
        Y. The Functions:
                        ¯. Expresses an activity or situation that occurred or didn’t occur before now, at some a specific time in the past.
                        E.g: Jhine has already eaten lunch.
                         ¯. Expresses the repetition of an activity before now.
                        E.g.: I have drunk tree glasses of water today.
                        ¯. When it used with For and Since, expresses a situation that began in the past and continuo to the present.
                        E.g.: I’ve been here since 7 o’clock.
                        ¯. Finished events connected with the present.    {“MS” no.419}.
                        E.g.: I can’t go on holiday because I have broken my leg.
                        ¯. Giving new information or announcing a recent happening.   {“R” no.14}.
                        E.g.: Ooow!!! I have cut my finger.
                        ¯. Talking the first time something has happened.
                        E.g.: Don is having a driving lesson. He’s very nervous and unsure because it’s his first lesson.
                                        Or It’s the first time he has driven a car. (not, drives)
                        ¯. It always tells something about now.
                        E.g.: To has lost his key = he doesn’t have his key now.

        Y. Time Signal:
                        •. We used it with (today, this morning, this evening, this week, this month, this year).
                                      *. When these periods are not finished at the time of speaking.
                        •. We can use it with (just, already, and yet):
                             *. Just        = a short time ago or that has done in few minutes before now.
                            *. Already = saying something happed sooner than expected or finished faster than somebody guests.
                            *. Yet        = until now and shows the speaker is expecting something to happen. Used in (?)and (-).
Using SINCE and FOR
Since

                                 since eight o’clock.       
                                   since Tuesday
I have been here         since may
                                   since 1989

                                    since January 3,2009

*. Since is followed by the mention of a specific point in time.

*. Since expresses that idea that something began at a specific
     time in the past and continuous to the present. 

A. I’m living here since may.
B. I live here since may.


C. I lived here since may.

    I was here since may
. Incorrect sentence

*. Since isn’t used in:
                         A. Present Continuous
                         B. Simple Present (verbal / nominal)
                         C. Simple Past (verbal /nominal)

*. I have lived here                                 since I was a child.
      MAIN CLAUSE                                        SINCE CLAUSE
   (present perfect)                                      (simple past)

*. Since I was a child, I have lived here.

*. Since may also introduce a time clause (time signal).
*. Notice: The present perfect is used in the main clause.
                The simple past is used in the since clause.
For
                                
                                   for ten minutes.       
                                   for two hours
I have been here         for many years.
                                   for a long time.

                                   for almost six months.

*. For is followed by the mention of a length of time/ duration
*. Notice: If the noun ends in -s (hours, days, weeks).
                Use For in the time expression, not Since.

1. I have lived here for two years. I moved here two years ago
    and I still live here.
2. I lived in Batam for three months. Now, I don’t live there.

1. Present perfect in the 1st sentence with For +  a length of time
    means that the action began in the past  until present.
2. Simple past means that the action began and ended in the past.


Note =  *. SINCE + clause/ phrase      *. FOR + phrase





The teaching method
                                                      sekarang      sempurna                       Aux : have/ has + V3
Mengandung kata Sudah dlm (+)  / belum dlm (-)  PRESENT PERFECT           Time signal    
                                                                                                                    Using since and for
     Y. Fungsi: 1. Menyatakan aktifitas yg sudah / belum terjadi di masa lampau.

                        E.g.: I have eaten dinner or  I haven’t eaten dinner.

                         2. Menyatakan aktifitas yg berulang- ulang di masa lampau.

                             E.g.: He has gone to my house three times this month.

                         3. Bila menggunakan Since dan For maka fungsinya sama dgn Pre. Perf. Cont.

                            *. The verbs are (study, stay, live, work, learn, walk, be)


                                            *. Since Clause: -. I have stayed here since I came from Batam // Since I came from Batam, I have stayed here.

                                            *. Since Phrase: -. I have been here since two days ago.

                                            *. For Phrase   : -. She loved me for five months.
               
     Y. Rumus: (+). S + Aux (have/ has) + V3 + O                         E.g.: They have drunk a glass of coffee, but they’re still sleepy.
                   
                         (-) . S + Aux + not + V3 + O.                                  E.g.: I haven’t slept yet since last night.

                         (?). Have/ Has + S + V3 + O + ?                            E.g.: Has she loved me for years?

                         (-?). Haven’t/ Hasn’t + S + V3 + O + ?                  E.g.: Haven’t come to her house and met her parents?

             *. Have (they, we, I, you)                                  *. Has (she, he, it, Jack)

      Y. Time Signal: (today, this week, this morning, this month, this year) T.S masih berlangsung saat aktifitas berakhir.

                                   *. Just        : saat aktifitas baru berakhir

                                   *. Already : ketika aktifitas terjadi lbh cepat dri yg di perkirakan.

                                   *. Yet        : ketika berharap agar aktifitas terjadi.

           *. Ketika Present perfect menggunakan Since and For maka sama seperti Present Perfect Cotinuous.

                      The verbs are (stay, study, learn, walk, work, teach, smoke, wear glasses, play chess, go to school, non-progressive verbs)

           *. Since dpt diikuti dgn Clausa (kumpulan kata- kata yang terdiri dari S+V dgn Tense Simple Past).

                                                 Phrase (kumpulan kata- kata yang tidak terdiri dari S+V)

                              *. Since (untuk menyatakan kapan sebuah aktifitas mulai di kerjakan/ titik pertama saat di mulai).

          *. For hanya diikuti dgn Phrase (untuk menyatakan durasi sebuah aktifas telah berlangsung).

          *. Present Perfect VS Simple Past dgn For:

                                      *.Pre. Perf + For (menandakan bahwa aktifitas masih berlangsung sampai sekarang)
      
                                      *. S. Past + For (menandakan bahwa aktifitas tdk lagi di kerjakan sampai sekarang)

         *. Cara pembentukan Time Clause (berfungsi seperti Time Signal):

                                      *. Present Perfect sebagai Main Clause( Independent Clause/ Induk Kalimat) dan dpt berrdiri sendiri

                                      *. Simple Past sebagai Time Clause ( Dependent Clause/ Anak Kalimat) dan tdk dpt berdiri sendiri (seperti T.S).

                  *. Rumus: #. Main Clause(Pre. Perf) + Time Clause (since + S. Past).

                                    E.g.: We have studied English since we came to Pare two months ago.
                                                            M.C                                                 T.C

                                    #.  Time Clause (since + S. Past) + comma  + Main Clause (Pre. Perf)

                                    E.g.: Since we came to Pare two months ago,  we have studied many things of English structures.
                                                                T.C                                                                                 M.C
         
PRESENT PERFECT VS SIMPLE PAST
PRESENT PERFECT
SIMPLE PAST
#. Tidak diikuti T.S yg jelas kapan aktifitas terjadi
#. Diikuti T.S yg jelas kapan aktifitas terjadi
#. Berhubungan dgn sekarang (hasilnya)
#. Tidak berhubungan dengan sekarang (hasilnya)
#. Bila ada For maka berlangsung sampai Present Time
#. Bila ada For maka telah berakhir sebelum waktu sekarang
#. Verb – V3
#. Verb – V2
#. Auxiliary (Have and Has) pada setiap kalimat
#. Auxiliary (Did) hanya pada kalimat (-), (?). dan (-?).

*.Note : Keduanya sama- sama terjadi dimasa lampua tapi hanya beda penekanan. Bila penekanan pada aktifitasnya (Present Perfect)
                                                                                                                                    Bila penekanan pada waktu kejadiannya (Simple Past).

             Jadi bila Present Perfect + a definite time akan berubah menjadi Simple Past dan bila Simple Past tanpa diikuti a definite time akan
 
             berubah menjadi Present Perfect.

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