英語初二下人教新資料現(xiàn)在完成時資料PPT課件

1、一、什么叫現(xiàn)在完成時 1. I have just lent my book to John. (I dont have the book now. ) 現(xiàn)在完成時表示動作發(fā)生在過去，但現(xiàn)在完成時表示動作發(fā)生在過去，但和現(xiàn)在情況有關，既用一個發(fā)生在過和現(xiàn)在情況有關，既用一個發(fā)生在過去的動作來說明現(xiàn)在的情況。去的動作來說明現(xiàn)在的情況。2. My uncle has lived in that street since he came to this city. (He began to live there many years ago,he lives there now and he wil

2、l go on living there.)第1頁/共25頁二、現(xiàn)在完成時的構成 1.Jack has gone to the cinema.2.They have finished their homework.助動詞助動詞 have/has過去分詞過去分詞Jack hasnt gone to the cinema.Has Jack gone to the cinema? Yes, he has. / No, he hasnt.Have they finished their homework?Yes, they have./ No, they havent.They havent fini

3、shed their homework.第2頁/共25頁現(xiàn)在完成時用法（一）過去的(結束性)動作產(chǎn)生的影響或結果現(xiàn)在還存在。1.常用常用短暫性動詞短暫性動詞做謂語動詞做謂語動詞.如如arrive, get, finish, borrow, open, stop, begin, go, come, die, fall, 2.時間狀語常用時間狀語常用already, just, yet, ever, before, once( 一次一次),recently 等等 不具體不具體的過去時間的過去時間 或或不帶有不帶有時間狀語時間狀語第3頁/共25頁三、現(xiàn)在完成時的用法1. 表示過去發(fā)生或已經(jīng)完成的某一

4、動作對 現(xiàn)在造成的影響或結果。-Have you had your lunch yet?-Yes, I have. I have just had it.(現(xiàn)在不餓了。)I have already posted the photos.(照片已不再我這里了)Mary with his family has never been to China before.-Have they ever heard of the story?-No, not yet.第4頁/共25頁 before, by now (so far), 到目前為止 once, twice, just, recently yet

5、(否否/疑疑), already(肯肯), ever, never, 曾經(jīng)，從不 第5頁/共25頁Exercises: 一、按要求變化下列各句。1.She has listened to a piece of foreign music.（否定句）2.I have got something important to do.（一般疑問句）3.Have you ever traveled on a train? （否定回答）She hasnt listened to a piece of foreign music.Have you got anything important to do.He

6、 has already finished a story book.第6頁/共25頁4.He finished reading a story- book. （改成現(xiàn)在完成時）5.Li Lei has eaten some dumplings for his breakfast.（對劃線問）6.Ive worked out the maths problem. （對劃線部分提問）Who has worked out the maths problem?What has Li lei eaten for his breakfast?No, I havent.第7頁/共25頁 二、用所給動詞的適

7、當形式填空。1.-Are you sure you _ (lose) the book?-Yes. I _ (look) for it everywhere. But I still_ (can not) find it.2. - _ you _ (take) the medicine yet?-Yes, I _ (take) it half an hour ago.3. I _ (never, meet) her sister before.4. He _ ( just, watch) a football game. He is so tired and hungry now.5. -Ho

8、w many times _ you _ (read) this book?-I _ (read) it several times.have losthave lookedcantHavetakentookhave never methas just watchedhavereadhave read第8頁/共25頁6. My brother _ (buy) a car last month.7. -Where is Joan? -She _ (go) to the cinema.8. You can turn off the radio now. I _ (hear) the news al

9、ready. I _ (hear) it at 8 oclock. 9. Jack _ (not find) his watch yet.10.- _ Wei Fang _ (come) yet? - Yes, she _ (come) already. - When _ she _ (come)? - She _ (come) just now.boughthas gonehave heardheardhasnt foundHas comehas comedid comecame第9頁/共25頁第10頁/共25頁第11頁/共25頁 1.都表示過去發(fā)生的事 2.現(xiàn)在完成時強調過去和現(xiàn)在的聯(lián)系，

10、不能和具體的時間狀語連用； 3.一般過去時強調過去發(fā)生的事或狀態(tài)與表示過去的具體時間連用（last, ago, yesterday, etc. ）presentpast第12頁/共25頁eg.1. He had his breakfast at 6:00 He has had his breakfast. 2. When did you come here? I watched the football match on TV at 9:00. 第13頁/共25頁 1. I _(have) lunch already 2. Has the train_ (arrive), yet? 3.Tom

11、e _ never_ (be to ) China. 4. The twin _just _(see) my father. 5. The twins _(see) my father just now. 6. Many tall buildings _(build) in the past 5 years.have hadarrivedhasbeen tohasseensawhave been built第14頁/共25頁 用法二用法二： for+段時間段時間 since+點時間點時間 since+句子（過去時）句子（過去時）E.g. Kate has lived here for 3 ye

12、ars. Kate has lived here since 3 years ago. Kate has lived here since she came to China.表示過去某個時間開始的動作表示過去某個時間開始的動作或存在的狀態(tài)，一直持續(xù)到現(xiàn)或存在的狀態(tài)，一直持續(xù)到現(xiàn)在并可能還將持續(xù)下去。動詞在并可能還將持續(xù)下去。動詞使用延續(xù)性動詞。常與使用延續(xù)性動詞。常與forfor或或sincesince引導的時間連用引導的時間連用第15頁/共25頁 arrive/come/go to die become a borrow Leave/ move buy open join start/be

13、gin finish/ end catch a cold get up get to know get out close wake up go to sleep become interested in be in be deadhavekeepbe away / be out be abe in/a member ofbe openbe onbe overhave a coldbe upknowbe outbe closedbe awakebe asleep/ sleepbe interested in第16頁/共25頁 His father has died. (for 2 years)

14、 The football match has begun.(since9:00a.m) The twins have joined the army. (since they are 18years old) My teacher has just left Nanjing. (for 3 days)His father has been dead for 2 years.The football match has been on since 9:00 a.m.The twins have been soldiers/ been in the army since they are 18y

15、ears old. My teacher has been away from Nanjing for 3 days第17頁/共25頁eg. 他死了兩年了：He died two years ago.He has been dead for two years /since two years ago It is/ has been two years since he died.Two years has passed since he died. 第18頁/共25頁 1. 這本書我借了一個月了。I borrowed this book a month ago.It is/ has been

16、 a month since I borrowed the book.I have kept the book for a month. /since a month ago.A month has passed since I borrowed the book.第19頁/共25頁 have/has gone to:已經(jīng)去了或在途中，還沒有返回； have/has been to:曾今去過某地，現(xiàn)在已經(jīng)回來了,后面可接表示“次數(shù)”的狀語; have/has been in:表示某人“已在某地停留一段時間，現(xiàn)仍在那里”，其后常帶表示一段時間的狀語。 第20頁/共25頁 Tom 在哪兒？ 他去書

17、店買書了。 我在北京待了5年了。 Jack 去過上海兩次了-Where is Tom?-He has gone to the bookshop to buy some books.I have been in Beijing for 5 years.Jack has been to Shanghai twice.第21頁/共25頁Correcting 1. I have borrowed the book for 3 months. 2. My bother has joined the army since he was 18. 3. Jack and Tom have lived here

18、 since 5years. 4. The film has been on since I have come to the cinema. 5. When has Mr. Li caught a bad cold? have kepthas been in/ been a member of the armysince 5 years ago/ for 5 yearscame didcatch第22頁/共25頁 6. Ten years have passed since they got married. 7. Jim has gone to Beijing for 2 years. 8.What time have the fac