1、The Present Perfect tensepresent(now)futurepast Present Perfect Tense 現(xiàn)在完成時現(xiàn)在完成時主語主語 + have/ has + 過去分詞（過去分詞（pp）助動詞助動詞,無意義無意義 現(xiàn)在完成時的結(jié)構(gòu)現(xiàn)在完成時的結(jié)構(gòu)Winter has already come，will it still be far in spring ?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問句疑

2、問句 把助動詞把助動詞 have / has 放在句首放在句首 現(xiàn)在完成時的結(jié)構(gòu)現(xiàn)在完成時的結(jié)構(gòu)注：主語若是第三人稱單數(shù)助動詞用注：主語若是第三人稱單數(shù)助動詞用 hasYou 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(qū)別區(qū)別have 和和 has的用法的用法 主語若是第三人稱單數(shù)助動詞用主語若是第三人稱單數(shù)助動詞用 has1) 表示到現(xiàn)在為止已經(jīng)完成或剛剛完成的動作。表示到現(xiàn)在為止已經(jīng)完成或剛

3、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(xiàn)在完成時的現(xiàn)在完成時的用法用法2) 表示過去發(fā)生的動作表示過去發(fā)生的動作,強調(diào)結(jié)果或?qū)ΜF(xiàn)在的影響。強調(diào)結(jié)果或?qū)ΜF(xiàn)在的影響。Someone has broken the window. (窗戶現(xiàn)在是壞的窗戶現(xiàn)在是壞的)I have already lost the key. (我現(xiàn)在沒有鑰匙我現(xiàn)在沒有鑰匙)I havent read that book yet . (不了解書的內(nèi)

4、容不了解書的內(nèi)容)I have just cleaned my hands. (手是干凈的手是干凈的)常與常與already(已經(jīng)已經(jīng)), yet(已經(jīng)已經(jīng)), just(剛剛剛剛),ever(曾經(jīng)曾經(jīng))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. 3) 表示從過去開始并持續(xù)到現(xiàn)在的動作或狀態(tài)，常與表示從過去開始并持續(xù)到現(xiàn)在的動作或狀態(tài)，常與包括現(xiàn)在在內(nèi)的一段時間的狀語連用。包括現(xiàn)在在內(nèi)的一段時間的狀語連用。She has learned English for 5 years. He has lived in B

5、eijing since 5 years ago.since: (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(dá)）長達(dá)）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 用for 或since填

6、空1.Mr. Brown has had his TV _ 15 years. 2. Ive taken driving lessons _last month. 3. My sister has had her cell phone _a month . 4. My friends havent visited me _few days ago. 5. We havent used our car _ a long time . 6. She hasnt had a good cup of coffee _years. 7. Tom has worn glasses _he was 7 ye

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

8、 to Shanghai for a meeting.他（已經(jīng)）去了上海。My father has been to Shanghai for a meeting.他（曾經(jīng)）去了上海。 She has been to China . 她（曾經(jīng)）去過中國。（人已經(jīng)回來了）have been to someplace. 曾經(jīng)去過某地，已經(jīng)回來曾經(jīng)去過某地，已經(jīng)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）用用have/has been t

9、o, have/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 minute

10、s ago.has gone toHave been tohave been tohave beenhave been tohas gone tohas gone to 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, seen 1. I_ already _ (see) the film. I _ (see) it last week. 2. _ he _ (finish) his work today? Not yet. 3. My father _ just _ (come) 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. Ho