八年級英語下 現(xiàn)在完成時態(tài)牛津版 (ppt)

現(xiàn)在完成時現(xiàn)在完成時表示過去發(fā)生的某一動作對現(xiàn)在造成的影響或產(chǎn)生的結(jié)果.現(xiàn)在完成時這一時態(tài)強調(diào)是過去動作與現(xiàn)在的聯(lián)系,也就是強調(diào)現(xiàn)在的影響和結(jié)果.have/has + 過去分詞 1.都表示過去發(fā)生的事 2.現(xiàn)在完成時強調(diào)過去和現(xiàn)在的聯(lián)系，不能和具體的時間狀語連用； 3.一般過去時強調(diào)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. ）presentpasteg.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. before, by now (so far), once, twice, just, recently yet(否否/疑疑), already(肯肯), ever, never, all ones life , in /during the past /last 5 years, 1. I _(have) lunch already 2. Has the train_ (arrive), yet? 3.Tome _ 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 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 years. 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(dǎo)的時間連用引導(dǎo)的時間連用 arrive/come/go to die become a borrow Leave/ move buy open join start/begin 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 His father has died. (for 2 years) 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 18years old. My teacher has been away from Nanjing for 3 dayseg. 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. 1. 這本書我借了一個月了。I borrowed this book a month ago.It is/ has been 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. 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。 Tom 在哪兒？ 他去書店買書了。 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.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 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 6. Ten years have passed since they got married. 7. Jim has gone to Beijing for 2 years. 8.What time have the factory opened? 9.I have gone to Chunhua Middle School twicehashas been indidopenbeen to I am an American boy I came to China two years ago. I _(study) here for two years. My father often (take) me_ (play) football on the playground. Last week I _ (take) to the park by him. We saw a lot of monkeys (jump) in the tree. I heard a voice from behind When I (walk ) along the river. I thought myself. “It must_ (be) Mr. Brown. He _(take) photos.” We_ (enjoy) that day. We _ (go) back to America next week.have studied takesto playWas taken wakedjumpbeis takingenjoyedwill go