【正文】 The film began 30 minutes ago. ——The film __________ for 30 minutes.8. They opened the door an hour ago. —— The door __________ for an hour.9. They closed the door an hour ago. ——The door ___________for an hour.10. He joined the army last year. ——He _____________ a _______ for a year. He _____________ the army for a year. It ____ a year ____ he joined the army. 現(xiàn)在完成時練習（二）單項選擇。 have finished 。 finished 。 studied Ｄ. are。 do。 done。 goodＣhas changed better Ｄ. changed。 borrow keep go outbe out beginbe one/arrive/reach/get tobe in　　stopstoppedstopped , dropdroppeddropped　　2 、不規(guī)則動詞：　　AAA型　 burst burst burst hurt hurt hurt let let let　 cast cast cast　 　　 cost cost cost　　 cut cut cut hit hit hit　　 put put put　　　shut shut shut　　 spread spread spread set set set 　 read read read四點變化規(guī)則：　　(1)、一般動詞，在詞尾直接加“ ed ”。現(xiàn)在完成時可表示持續(xù)到現(xiàn)在的動作或狀態(tài)，動詞一般是延續(xù)性的，如live, teach, learn, work, study, know. VI. 比較 have/has been to、have/has gone to 和 have been inhave(has) been to...表示“曾去過某地，已經(jīng)從那里回來了”，可以和ever、never、twice等連用。I saw this film yesterday.（強調(diào)動作發(fā)生的時間是yesterday 。如：He has been in the Green China for three years.He has been a member of the Green China for three “綠色中國”已經(jīng)三年了。（結(jié)果：窗戶仍破著）B. 表示過去已經(jīng)開始，持續(xù)到現(xiàn)在的動作或狀態(tài)，可以和表示從過去某一時刻延續(xù)到現(xiàn)在（包括“現(xiàn)在”在內(nèi)）的一段時間的狀語連用,如for+時間段、since+過去的時間點、疑問詞how long等。例如：I have already finished my homework. I haven’t finished my homework yet. Have you finished your homework yet?They have left. (他們已經(jīng)離開了,也就是說現(xiàn)在他們?nèi)瞬辉谶@里)I have had my lunch. (我已經(jīng)吃過午飯了,也就是說我現(xiàn)在不餓)I can’t find my watch now. I think I have already lost it.注意： 1)現(xiàn)在完成時不能單獨與過去的時間狀語連用, 如yesterday, last week, three years ago 等。III. 現(xiàn)在完成時的時間狀語　1. 　ever, never, twice（once…）, so far（到目前為止）, , already（肯定句）, yet（否定，疑問句）, just(剛剛), before（以前）, recently（近來） 等詞連用+時間點，for+時間段 ，in the past/last few years表示短暫時間動作的詞，如:e，go，die，marry，buy等的完成時不能與for，since等表示一段時間的詞連用?，F(xiàn)在完成時I. 定義：。如：I have lived here for more than thirty 。yet常用于否定句和疑問句，并用于句末。（結(jié)果：車子已在門口）Someone has broken the 。 How long have you been here? 你來這里多久了？ 用相應(yīng)的延續(xù)性動詞替換短暫性動詞，句中謂語動詞用現(xiàn)在完成時，時間狀語為“for＋時間段”或“since＋時間點”。V. 現(xiàn)在完成時態(tài)與一般過去時態(tài)的區(qū)別 1一般過去時表示過去某時發(fā)生的動作或單純敘述過去的事情，強調(diào)動作；現(xiàn)在完成時為過去發(fā)生的，強調(diào)過去的事情對現(xiàn)在的影響，強調(diào)的是影響?，F(xiàn)在完成時不與表示過去的時間狀語連用。　六．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?！　tudystudiedstudied ,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 ”。要改變動詞buyhave leave be away finishbe over　 openbe open well Ｂchanged 。 finished 。 have finished Ｄ. will。 study Ｃ. has 。 do 。 done 。ll lend you the book , but you can only _____ it for 2 days. A. borrow B. keep C. take How long can I ______ the book? Two weeks. A. borrow B. lend C. get D. keep四、用have/has been to/in, have gone to及go的各種形式填空。 well Ｂ. changed 。 studying Ｂ. will 。 do 。 done 。t in the office . she_______ to the library .　　 gone Ｂ. went go Ｄ. has been