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1、PRESENT PERFECT vs. SIMPLE PAST,What is the difference?,Ive been to London. (present perfect) I went to London last week. (simple past),TIME FINISHED UNFINISHED SIMPLE PAST PRESENT PERFECT I went to London Ive been to London. last week. Specific time: yesterday General experience. last summer 2 mont
2、hs ago,When do we use Simple Past?,1) Actions that are not connected with present. The Titanic sank in 1912. 2) Actions in the past that are chronologically ordered. He came in, sat on the sofa and started waiting. 3) Repeated actions in the past (= used to). I took English courses when I was twelve
3、 (= I used to take English courses). 4) When after talking about general experience we give details (when we have to be SPECIFIC and answer questions like WHEN? WHERE? WHY? HOW?). Ive been to London this month. I stayed in a big hotel. I visited Trafalgar Square and bought some souvenirs.,When do we
4、 use Present Perfect?,1) When we talk about GENERAL EXPERIENCE without giving specific information (we dont have to know WHEN you did something, we want to know IF you did it or not). Tarantino has directed lots of blockbusters. (BUT: Tarantino directed “Kill Bill” in 2003). I have never seen the Ei
5、ffel Tower. (BUT: I didnt see the Eiffel Tower when I was in France). Jack has written a script. (BUT: He wrote the script last week).,When do we use Present Perfect?,2) Actions that are finished in the past but connected with present (actions in the past affected the present you can see the result)
6、. X Past Present Ive eaten a banana. A plane has landed.,When do we use Present Perfect?,3) When we want to express an unfinished period of time (that started in the past but continues now). Ihave takenthree tests this semester (this semester is not finished, its still going on). Helen has been to L
7、ondon once in her life (her life is not finished, its still going on). My grandparents have seen “Hamlet” this week (this week is not finished, its still going on).,How do we make Present Perfect form?,Affirmative sentences:,How do we make Present Perfect form?,Negative sentences:,How do we make Pre
8、sent Perfect form?,Interrogative sentences: Yes, I have. No, we havent. Yes, he has. No, she hasnt.,Past Participle Form of Verbs,Past Participle Form of Verbs,Lets practice a little!,I (see) that film before. We . (read) three English books in class. My mother . (be) to London twice this year. John (borrow) four CDs from me. The children (eat) breakfast. You (drink) all the coffee. Be quiet! The film . (start).,Lets practice a little!,I have seen that film before. We have read three English books in class. My mother has been to London twice this y
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