The Present Perfect Simple and Continuou

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The Present Perfect Tense : 

The Present Perfect Tense We use the Present Perfect to say that an action happened at an unspecified time before now. The exact time is not important. We CANNOT use the Present Perfect with specific time expressions such as: yesterday, one year ago, last week, when I was a child, when I lived in Paris, at that moment, that day, one day, etc. We CAN use the Present Perfect with unspecific expressions such as: ever, never, once, many times, several times, before, so far, already, yet, etc.

FORM: SUBJECT+HAVE/HAS+ PAST PARTICIPLE I have gone there. Have you gone there? I haven’t gone there. : 

FORM: SUBJECT+HAVE/HAS+ PAST PARTICIPLE I have gone there. Have you gone there? I haven’t gone there.

USES: : 

USES: 1. You can use the Present Perfect to describe your experience. You can also use present perfect tense to say that you have never experienced sth. I have been to France twice. I haven’t travelled by plane before. Have you met him?

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2.We use the Present Perfect to talk about change that has happened over a period of time. You have changed a lot since I last saw you. Parents have become more interested in arts education. My English has really improved since I started the Language Department.

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3. We use the Present Perfect to talk about the accomplishments of people and humanity. Man has walked on the Moon. Our daughter has learned how to play the piano. Doctors have cured many deadly diseases.

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4. We use the Present Perfect to say that an action which we expected has not happened. Using the Present Perfect suggests that we are still waiting for the action to happen. Lerna has not finished his homework yet. Burak hasn't mastered Japanese, but he will soon. My father has still not arrived yet. The rain hasn't stopped.

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5. We use the Present Perfect to talk about several different actions which have happened in the past at different times. Present Perfect suggests the process is not complete and more actions are possible. I have had four quizzes and five tests so far this term. We have had some problems while working on this project. She has talked to her doctors about her problem, but nobody knows why she is ill.

Past sImple vs present perfect : 

Past sImple vs present perfect I saw Lisa yesterday. We can’t say ‘I have seen Lisa yesterday’. Because the time is given. My uncle wrote 2 novels. (He is retired or dead now so he won’t wrire anything) My uncle has written 2 novels. (he has written 2 books so far. May be he is working on his 3rd.) I have typed 2 letters this morning. (It’s still morning) I typed 2 letters this morning. (Morning is over)

Present perfect contInuous : 

Present perfect contInuous Form: Subject+has/have+ been+ Ving I have been working as a teacher for 20 years. She hasn’t been waiting for us. Has he been working here?

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We use the Present Perfect Continuous to say that something started in the past and has continued up to now. "For two hours," "for five months," and "since Christmas" are all durations which can be used with the Present Perfect Continuous. They have been talking for the last hour. She has been working at that company for three years. We have been waiting here for over two hours! Why has the grandma not been taking her medicine for the last three days?

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We can also use the Present Perfect Continuous WITHOUT a duration such as "for three months." Without the duration, the tense has a more general meaning of "lately." We often use the words "lately" or "recently" to emphasize this meaning. Recently, I have been feeling really tired. My kids have been watching too much television lately.

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Remember that Non-progressive Verbs cannot be used in any continuous tenses. You must use Present Perfect. Sam has been having his car for two years. Not Correct Sam has had his car for two years. Correct I have been here for 4 hours. Correct I have been being here for 4 hours. Not Correct

Referances:www.englIshpage.comBasIc englIsh usage (OUP) : 

Referances:www.englIshpage.comBasIc englIsh usage (OUP) PREPARED BY: EVA BÜYÜKSIMKESYAN

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