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Present Perfect/Simple Past/Present Perfect Progressive.

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Presentation on theme: "Present Perfect/Simple Past/Present Perfect Progressive."— Presentation transcript:

1 Present Perfect/Simple Past/Present Perfect Progressive

2 How do we form Present perfect? POSITIVE (+): Have/has + V 3 NEGATIVE (-): Haven’t/hasn’t + V 3 QUESTION (?): Have/has+S+V 3

3 When do we use present perfect? a. situations that began in the past and continue up to now (for, since) -I have been a teacher since 2008. b. events that have /haven’t happened up to now (ever, never, yet, still, already) -Have you ever been to Syria? c. An event that has occurred more than once in the past (so far) -We have had 3 tests so far.

4 What is the difference between present perfect and simple past? PRESENT PERFECT: -past events with no specific mention of time. *I have watched this film before. -situations that started in the past and are continuing. *I have been a teacher for 3 years. SIMPLE PAST: -past events when time is mentioned *I watched this film in 2000. -situations that began and ended in the past. *I was a student 3 years ago.

5 How do we form Present Perfect Progressive? POSITIVE (+): Have/has + been + V ing NEGATIVE (-): Haven’t/hasn’t + been + V ing QUESTION (?): Have/has + S + been + V ing

6 When do we use Present Perfect Progressive? -For an activity that is happening at the moment -To tell how long this activity has been in progress. *Right now, I am sitting at my desk. *I have been sitting at my desk since seven o’clock. I have been sitting here for two hours.

7 What is the difference between Present Perfect and Present Perfect Progressive? If you say: “I have been writing for 5 hours.” The important thing in the sentence is the time. If you say: “I have written thirty pages.” The important thing in the sentence is number of pages.

8 When can’t you use Present Perfect Progressive? With non-progressives. You can say: * I have known Alex for 20 years. You can’t say: *I have been knowing Alex for 20 years.

9 What are the time expressions ? since, for, all day/morning

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