初中英語語法--現(xiàn)在完成時與一般過去時

1、PRESENT PERFECT PRESENT PERFECT VSVS. SIMPLE PAST. SIMPLE PASTWWHATHAT ISIS THETHE DIFFERENCEDIFFERENCE? ?Ive been to London.(present perfect)I went to London last week.(simple past)TIMETIMEFINISHED UNFINISHEDI went to London Ive been to London. last week. Specific time:-yesterday General experience

2、.-last summer-2 months agoWWHENHEN DODO WEWE USEUSE S SIMPLEIMPLE P PASTAST? ?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

3、took English courses when I was twelve (= 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

4、and bought some souvenirs. WWHENHEN DODO WEWE USEUSE P PRESENTRESENT P PERFECTERFECT? ?1) When we talk about GENERAL EXPERIENCE 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 bl

5、ockbusters. (BUT: Tarantino directed “Kill Bill” in 2003).I have never seen the Eiffel 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).WWHENHEN DODO WEWE USEUSE P PRESENTRESENT P PERFECTERFECT? ?2) Actions that are finis

6、hed in the past but connected with present (actions in the past affected the present you can see the result). X Past Present Ive eaten a banana. A plane has landed. WWHENHEN DODO WEWE USEUSE P PRESENTRESENT P PERFECTERFECT? ?3) When we want to express an unfinished period unfinished period of time (

7、that started in the past but continues now).Ihave takenthree tests this semester this semester (this semester is not finished, its still going on).Helen has been to London once in her life once in her life (her life is not finished, its still going on).My grandparents have seen “Hamlet” this weekthi

8、s week (this week is not finished, its still going on).HHOWOW DODO WEWE MAKEMAKE P PRESENTRESENT P PERFECTERFECT FORMFORM? ?Affirmative sentences:Affirmative sentences:SubjectSubjectAuxiliary VerbAuxiliary VerbPastPast Participle ParticipleIYou WeTheyhaveseenHeSheIthasseenHHOWOW DODO WEWE MAKEMAKE P

9、 PRESENTRESENT P PERFECTERFECT FORMFORM? ?Negative sentences:Negative sentences:SubjectSubjectAuxiliary VerbAuxiliary VerbPastPast Participle ParticipleIYou WeTheyhavent (=have not)seenHeSheIthasnt (=has not)seenHHOWOW DODO WEWE MAKEMAKE P PRESENTRESENT P PERFECTERFECT FORMFORM? ?Interrogative sente

10、nces:Interrogative sentences: Yes, I have. No, we havent.Yes, I have. No, we havent. Yes, he has. No, she hasnt. Yes, he has. No, she hasnt. Auxiliary VerbAuxiliary VerbSubjectSubjectPastPast Participle ParticipleHaveIyou wetheyseen?Hashesheitseen?P PASTAST P PARTICIPLEARTICIPLE F FORMORM OFOF V VER

11、BSERBSseeseegogocutcuteateatworkworkcatchcatchleaveleavearrivearrivefeedfeedmakemakebringbringgivegivedrinkdrinkdodobuybuyteachteachP PASTAST P PARTICIPLEARTICIPLE F FORMORM OFOF V VERBSERBSseeseeseenseengogogonegonecutcutcutcuteateateateneatenworkworkworkedworkedcatchcatchcaughtcaughtleaveleaveleft

12、leftarrivearrivearrivedarrivedfeedfeedfedfedmakemakemademadebringbringbroughtbroughtgivegivegivengivendrinkdrinkdrunkdrunkdododonedonebuybuyboughtboughtteachteachtaught taught LETS PRACTICE A LITTLE!1.I (see) that film before.2.We . (read) three English books in class.3.My mother . (be) to London twice this year.4.John (borrow) four CDs from me.5.The children (eat) breakfast.6.You (drink) all the coffee.7.Be quiet! The film . (start).LETS PRACTICE A LITTLE!1.I have seen that film before.2.We have read three English