高中英語 模塊六 Unit 16 The Revision of Past Perfect and Past Perfect Continuous課件 北師大版選修6

1、Who had bought a new mobile phone?Who had cleaned the blackboard?Last class, who had been standing here in Class3?How many students had been sitting on the chairs in Class3?Past PerfectPast Perfect Continuous RevisionPast Perfect 過去完成時過去完成時had+past participle(動詞的動詞的過去分詞過去分詞) 規(guī)則動詞規(guī)則動詞不規(guī)則動詞不規(guī)則動詞助動詞助動詞

2、(無人稱變化無人稱變化)regular verbsirregural verbs過去分詞的構(gòu)成：1. 規(guī)則動詞的變化：a) 一般情況下在動詞后面加一般情況下在動詞后面加 ed work - worked play - playedb) 以以 e 結(jié)尾的動詞直接加結(jié)尾的動詞直接加 d use - used refuse - refusedc) 以輔音字母加以輔音字母加 y 結(jié)尾的動詞，把結(jié)尾的動詞，把 y 改改 i 再加再加 edstudy - studiedcarry - carriedd) 以重讀閉音節(jié)結(jié)尾的，前面有單個元音字母時，以重讀閉音節(jié)結(jié)尾的，前面有單個元音字母時，雙寫輔音字母，再加

3、雙寫輔音字母，再加 edstop - stoppeddrop - dropped直接加直接加ed有有e只加只加d把把 y 變變 i 加加ed重讀雙寫加重讀雙寫加ed2. 不規(guī)則動詞的變化不規(guī)則動詞的變化lightlighted/litholdheldbuy boughteateatenlose lost不規(guī)則動詞的變化見不規(guī)則動詞的變化見Moduel 5表表Past Perfect Continuous 過去完成進行時過去完成進行時had been+ present participle(動動詞的詞的現(xiàn)在分詞現(xiàn)在分詞) 直接加，直接加， 去去e加，加， 雙拼加雙拼加,改改ie為為y再加再加in

4、g現(xiàn)在分詞的構(gòu)成：a) 一般情況下在動詞后面加一般情況下在動詞后面加 ing walk - walkingplay - playing b) 以以 不發(fā)音不發(fā)音的的e 結(jié)尾的動詞結(jié)尾的動詞去e加-ing come- comingdance- dancing run - runningput - putting c)以一個元音字母一個輔音字母結(jié)尾，且重讀以一個元音字母一個輔音字母結(jié)尾，且重讀 的動詞，則先雙寫該輔音字母，再加的動詞，則先雙寫該輔音字母，再加-ing。d)以字母以字母ie結(jié)尾的動詞，變結(jié)尾的動詞，變ie為為y，再加，再加ingdie - dying lie - lyingUse t

5、he two tenses for the followingsentencesChina the 29th Olympic Games.(hold) had heldThe torch for 17days at the top of Birds Nest. (burn)had been burningHong Kong _ to China before Macao came back toChina.(return)had returnedThe passengers for a long time to get on the train.(wait)had been waitingsu

6、mmary:1.兩種時態(tài)都是以兩種時態(tài)都是以 的時間為前提的。的時間為前提的。2.過去完成時表示動作已經(jīng)過去完成時表示動作已經(jīng) , 強強調(diào)調(diào) 。而過去完成進行時強調(diào)動作。而過去完成進行時強調(diào)動作在過去的某段時間內(nèi)在過去的某段時間內(nèi) 。1.I the office,so it was very tidy.(clean)2.She the office, so we had to wait outside.(clean) had cleaned had been cleaning過去過去完成完成一直進行一直進行結(jié)果結(jié)果Strategies(解題策略解題策略) Step1: 先理解句子的大意。先理解

7、句子的大意。Step2: 找出句子的時間狀語，綜合考找出句子的時間狀語，綜合考慮后判斷句子應(yīng)該使用哪種時態(tài)。慮后判斷句子應(yīng)該使用哪種時態(tài)。Step3: 根據(jù)選取的時態(tài)，動詞做出根據(jù)選取的時態(tài)，動詞做出相應(yīng)的變化。相應(yīng)的變化。Can you do it?1.The patient _(die) when the doctor arrived.2.The baby_ (cry) for several hours when his mother came.3.By yesterday morning, he_ (call) me ten times.4.Now the students _(do)

8、 their homework. had calledhad diedhad been cryingare doing5.He failed in the exam. Because he_ (play) the computerall night.6.we _ (paint) the house beforewe moved in.7.So far we _ (learn) a lot ofwords.8. _ he _ (talk) on the phone?had painted had been playing have learnt Hadbeen talking Tense Use

9、s Time Adverbial Past PerfectTo talk about an or in the past which happened other past events. Past Perfect Continuous activities in the past that happened before other events.The actions that happened before a particular point in the past An action that was still and had not been eventbeforesituation Longerrepeatedin progesscompleted注：動詞為延