【正文】 現(xiàn)在完成時(1)基本結(jié)構(gòu)：肯定句: have/has+過去分詞(done)+其他否定句：have+not/haven’t +過去分詞(done) +其他has+not/ hasn’t+過去分詞(done) +其他一般疑問句及回答：Have/Has+主語+過去分詞+其他Yes, 主語+have/has.(肯定)No, 主語+haven39。t/hasn39。t.(否定)一、表示在過去不確定的時間里發(fā)生的對現(xiàn)在造成影響的動作或結(jié)果。Ihave already spentall of my money.(含義是:現(xiàn)在我沒有錢花了)Guo zijunhas just e. (含義：郭子君現(xiàn)在在這兒)My fatherhas goneto work.(含義是:我爸爸現(xiàn)在不在這兒)過去分詞1 、規(guī)則動詞：規(guī)則動詞的過去分詞的構(gòu)成規(guī)則與規(guī)則動詞的過去式的構(gòu)成規(guī)則相同。四點(diǎn)變化規(guī)則：(1)、一般動詞，在詞尾直接加“ ed ”。workworkedworked ,visitvisitedvisited(2)、以“ e ”結(jié)尾的動詞，只在詞尾加“ d ”。livelivedlived ,(3)、以“輔音字母 + y ”結(jié)尾的動詞，將 y 變?yōu)?i ，再加“ ed ”。studystudiedstudied ,crycriedcried(4)、重讀閉音節(jié)結(jié)尾，末尾只有一個輔音字母，先雙寫該輔音字母，再加“ ed ”。stopstoppedstopped , dropdroppeddropped不規(guī)則動詞：dodiddone gowentgone ecameehavehadhad seesawseen bewas/werebeen句型轉(zhuǎn)換：1. He has already gone home.___________________________________________ (否定句)___________________________________________ (疑問句)________________(肯定回答)________________(否定回答)2. He has had lunch at home.___________________________________________ (否定句)___________________________________________ (疑問句)________________(肯定回答)________________(否定回答)3. He has finished his homework. (劃線提問)_____________________________________________4. I have had lunch at school. (劃線提問)_____________________________________________5. I _______ told him the news.（have/has）6. She ________ e back from school.(have/has)7. He has visited the Great Wall. (劃線提問)_____________________________________________8. She has studied English for many years. (劃線提問)_____________________________________________9. Tom has seen the film. (劃線提問)_____________________________________________10. I have washed the clothes.( 劃線提問)_____________________________________________現(xiàn)在完成時(2)表示在過去不確定的時間里發(fā)生的對現(xiàn)在造成影響的動作或結(jié)果, 常與時間副詞already（已經(jīng)） ，yet（還、已經(jīng)） ，just(剛剛、僅僅) ，ever（曾經(jīng)） ，never（從不） ，before（以前）等連用。1. already意為“已經(jīng)”，通常用于肯定句中，可放在助動詞之后，過去分詞之前，也可以放在句末。實(shí)例： I’ve already read this book. I’ve washed my clothes already． 2. yet用在疑問句中意為“已經(jīng)”，用在否定句中意為“還”，常放在句末。實(shí)例： —Has he found his watch yet ？ —No，not yet． The woman hasn39。t found her dog yet ． 3. just意為“剛剛”，表示行為剛剛過去，常放在助動詞與過去分詞之間。實(shí)例： He has just e back from school． 4. ever意為“曾經(jīng)”，放在助動詞與過去分詞之間。實(shí)例： Have you ever been to Hong Kong ？I haven’t ever spoken to her． 5. never意為“從來沒有”常與before連用（before要放在句尾，而never多放在助動詞與過去分詞之間。實(shí)例： I have never travelled by plane before． 6. before意為“以前”，指過去不確定的某個時間，總是放在句末，不受句型的限制。實(shí)例： Have you ever been to Hainan before ？ I haven’t eaten Guangdong food before． 把a(bǔ)lready，yet，just，ever，never，before放在句中適當(dāng)?shù)奈恢谩?Jim has finished doing his homework. (already)_______________________________________________________My father has been to the Great Wall before. (never) _______________________________________________________She hasn’t seen the new film.(yet) _______________________________________________________She has been to Shanghai before.(ever) _______________________________________________________5. Have you found your watch?(yet) _______________________________________________________6. Are you thirsty? No I have had some orange juice.(just) _______________________________________________________7. We have returned (return) the book.(already) _______________________________________________________8. I haven’t finished my homework. (yet) Can you help me? _______________________________________________________9. My father have read the novel.(ever) _______________________________________________________’ve arrived by train.(just) _______________________________________________________不規(guī)則動詞：do__________ go__________ e__________have__________ see__________ be__________readreadread eatateeaten speakspokespokenfindfoundfound getgotgotten/got winwonwon現(xiàn)在完成時(3)用法二：現(xiàn)在完成時可以用來表示發(fā)生在過去某一時刻的,持續(xù)到現(xiàn)在的動作或狀態(tài)，常與for（+時間段），since（+時間點(diǎn)或過去時的句子）連用, 對for和since引