1、The Present Perfect tense2present(now)futurepast Present Perfect Tense 現在完成時現在完成時3主語主語 + have/ has + 過去分詞（過去分詞（pp）助動詞助動詞,無意義無意義 現在完成時的結構現在完成時的結構Winter has already come，will it still be far in spring ?4主語主語 + have/ has + 過去分詞（過去分詞（pp）否定形式否定形式 havent ( have not ） +過去分詞過去分詞 hasnt ( has not ) +過去分詞過去分詞疑

2、問句疑問句 把助動詞把助動詞 have / has 放在句首放在句首 現在完成時的結構現在完成時的結構注：主語若是第三人稱單數助動詞用注：主語若是第三人稱單數助動詞用 has5You have planted all the trees.I have planted all the trees.He/she has planted all the trees.They have planted all the trees. 區別區別have 和和 has的用法的用法 主語若是第三人稱單數助動詞用主語若是第三人稱單數助動詞用 has61) 表示到現在為止已經完成或剛剛完成的動作。表示到現在為止已

3、經完成或剛剛完成的動作。Now we have planted all the trees.He has just come back. They have built many buildings in this city. 現在完成時的現在完成時的用法用法72) 表示過去發生的動作表示過去發生的動作,強調結果或對現在的影響。強調結果或對現在的影響。Someone has broken the window. (窗戶現在是壞的窗戶現在是壞的)I have already lost the key. (我現在沒有鑰匙我現在沒有鑰匙)I havent read that book yet . (

4、不了解書的內容不了解書的內容)I have just cleaned my hands. (手是干凈的手是干凈的)常與常與already(已經已經), yet(已經已經), just(剛剛剛剛),ever(曾經曾經)等詞連用等詞連用. already: 常用于肯定句中常用于肯定句中. yet: 常用于否定句常用于否定句,疑問句尾疑問句尾. 83) 表示從過去開始并持續到現在的動作或狀態，常與表示從過去開始并持續到現在的動作或狀態，常與包括現在在內的一段時間的狀語連用。包括現在在內的一段時間的狀語連用。She has learned English for 5 years. He has liv

5、ed in Beijing since 5 years ago.9since: (自自以來以來)1)since+時間點時間點He has stayed here since 5 oclock.2)since+ 時間段時間段+ agoHe has stayed here since 5 hours ago.3)since+ 從句從句She has taught English since he came here. for: (長達）長達）for+ 時間段時間段He has kept the book for 2 weeks.since , for 的用法的用法: Take notes 10用f

6、or 或since填空Mr. Brown has had his TV _ 15 years. Ive taken driving lessons _last month. My sister has had her cell phone _a month . My friends havent visited me _few days ago. We havent used our car _ a long time . She hasnt had a good cup of coffee _years. Tom has worn glasses _he was 7 years old. f

7、or since forsinceforforsince11注：并非所有注：并非所有for作為時間狀語的句子都用現在完成時作為時間狀語的句子都用現在完成時 搞清一般過去時和現在完成時的區別搞清一般過去時和現在完成時的區別I worked here for more than twenty years.(我現在已經不在這里工作了我現在已經不在這里工作了)I have worked here for more than twenty years.（現在我仍在這里工作）（現在我仍在這里工作）12辨析 have been to和 have gone toMy father has gone to Sh

8、anghai for a meeting.他（已經）去了上海。My father has been to Shanghai for a meeting.他（曾經）去了上海。 She has been to China . 她（曾經）去過中國。（人已經回來了）have been to someplace. 曾經去過某地，已經回來曾經去過某地，已經回來has gone to someplace.某人去了某地，還沒有回來某人去了某地，還沒有回來 She has gone to China last week.上周她去了上海 。（人可能回來了也可能沒回來）13用用have/has been to, h

9、ave/has gone to填空：填空：1.Where is your brother? He _ the shop. Hell be back soon.2. _ you ever _ to America? Yes, I _ New York twice.3. Here you are at last! Where _ you _? I _ London.4. David _Australia. Im sure hes already arrived.5. Is Benny here? No, he _ the school library. He left five minutes a

10、go.has gone toHave been tohave been tohave beenhave been tohas gone tohas gone to14 9. He _ (go) to school on foot every day. 10._ you _ (find) your science book yet? 11. If it _ (be) fine tomorrow, Ill go with you. 12. The students _ (read) English when the teacher came in. 13. Look! The monkey _ (

11、climb) the tree. 14. My mother _ (come) to see me next Sunday. 15. Ive lost my pen. _ you _ (see) it anywhere? goeshave, foundiswere readingis climbingis comingHave, seen15 1. I_ already _ (see) the film. I _ (see) it last week. 2. _ he _ (finish) his work today? Not yet. 3. My father _ just _ (come

12、) back from work. He is tired now. 4. Wheres Li Ming ? He _ (go) to the teachers office. 5. I _ (work) here since I _ (move) here in 1999. 6. So far I _(make) quite a few friends here. 7. How long _ the Wangs _(stay) here ? For two weeks. 8. I _ just _ (finish) my homework. have, seen, sawHas, finishedhas, comehas gonehave worked, movedhave madehave, stayedhave, finished16 1. have, seen, saw 2. Has, fi