新概念1册119课-过去完成时(课堂PPT).ppt

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true story,Lesson 119,1,Key words,expressions,story n.,故事,happen v.,发生,thief n.,贼,enter v.,进入,dark adj.,黑暗的,torch n.,手电筒,voice n.(,说话的,),声音,parrot n.,鹦鹉,exercise book n.,练习本,2,Key words,expressions,1.s,tory n.,故事,a ghost,story,tell,stories,谎话,Dont t,e,ll,stories,!,to make a long,story,short,长话短说,3,Key words,expressions,2.h,appen,1）,v.,发生,What happened?,A strange thing,happen,ed,to,a friend of mine a year ago.,一年之前，一件希奇的事发生在我的一位朋友身上。,2）,v.,碰巧，恰好（to）,I,happen,ed,to,meet her on my way home.,在回家的路上，我碰巧遇见了她。,I,happen to,know that professor.,我正好熟悉那位教授。,4,Key words,expressions,3.t,hief n.,贼,复数：,thieves,A World without Thieves,5,Key words,expressions,5.,e,nter,v.,进入,穿入,enter,the room,他们进入了房子后，就去了餐厅。,After they had entered the house,they went into the dining room.,参加，加入,enter,the Party,Four students from our university entered the final contest.,我们大学的4名学生进入了竞赛的决赛。,输入,enter,into the computer,enter for 报名参加,Our team has entered for the competition.,我们队已报名参加比赛.,（入党）,6,Key words,expressions,5.d,ark,adj.,黑暗的,too,dark,深色的,dark,blue,阴暗的,dark,futur,e,-,bright,future,n.,黄昏，黑夜,at dark in the dark,天黑时,在暗处,light,7,Key words,expressions,6.t,orch n.,手电筒,turn on,/,off,the,torch,火炬,light the,torch,8,Key words,expressions,7.v,oice n.,声音,in an angry,voice,意见,speak out my,voice,lose ones,voice,失音,raise ones,voice,voice,表示人说话时嗓子发出的声音,sound,表示世间万物的声音,noise,表示杂音，不悦人的声音,嗓子变哑,提高嗓门,drop,9,Key words,expressions,8.p,arrot n.,鹦鹉,10,Language points,1,、,Do you like,stories,?,这里,stories,泛指故事这一类东西。,2,、,I,want to,tell you a,true,story.,want to do sth.,想要做某事。,tell a story,讲故事。,true,真实可信的&真正存在的,real,T(True)or F(false),11,Language points,3,、,It,happened to,a,friend of mine,a year ago.,happen to sb./sth.,发生在某人身上,/,某物上（通常是不好的事）,What happened to your car?,双重所有格,：,a friend of mine=my friend,；,a friend of my fathers=my fathers friend,a friend of mine,相当于one of my friends,但前者比后者显得更为亲切。,12,Language points,4,、,While,my friend,George,was reading in bed,two thieves,climbed into,his kitchen.,George,同位语,，补充说明,my friend,。,climb into,爬进。,5,、,After,they,had entered,the house,they,went into,the dining room.,=They had entered the house,before,they went into the dining room.,强调两个动作的前后顺序时，较早的动作要用,过去完成时,。,及物动词,enter=,不及物动词,go into,13,Language points,5,、,After,they,had entered,the house,they,went into,the dining room.,After they had entered the house,是时间状语从句，,had entered,是过去完成时结构。在以after引导的时间状语从句中，用一般过去时或过去完成时没有多少区别。假如强调从句的谓语动作在主句的谓语动作之前完成，就用过去完成时。,14,Language points,6,、,It was very dark,so,they,turned on,a torch.,=They turned on a torch,because,it was very dark.,连词,so,，所以、因此，表示结果。,turn on,打开，拧开（电视、水源、煤气等）。其反义词为turn off(关上)。,7,、,Suddenly,they,heard,a,voice,behind them.,hear,强调结果。注意不规则变化,hear-heard-heard,。,voice,说话的声音&,sound,声响&,noise,噪音&,music,音乐,15,Language points,8,、,Whats up?【,口语,】,=Whats wrong?=Whats the matter?,【,寒暄,】Whats up,man?,询问对方最近过得如何。,9,、,Someone,called.,【,回顾,Lesson 115】,复合不定代词,。,10,、,The thieves,dropped,the torch and,ran away,as quickly as,they could.,drop,扔掉；,run away,逃跑；,as.as,sb.,can/could/possible,尽可能,地(第一个as是副词，修饰quickly,第二个as是连词，引导比较状语从句。),例句：,Run,as fast as you can,（后省略run）,!,Please write to me,as soon as possible,.,16,Language points,14,、,But Georges parrot,Henry,was,still,there.,名词所有格,s,；,同位语,；,still,仍然。,15,、,Nothing,Henry,George said and smiled.,Go back to,sleep.,go back to do sth.,回去继续做某事。,例如：,go back to work,go back to some place,回到某地。,例如：,go back to ones hometown,17,Language points,11,、,George heard the noise and came,downstairs,quickly.,下楼，楼下,downstairs upstairs,上楼，楼上,12,、,He,turned on,the light,but he couldnt see,anyone,.,turn on,打开 关上,turn off,；,复合不定代词,anyone,任何人,13,、,The thieves had,already,gone.,过去完成时。,had gone=had left=had run away,（上文）,18,Past Perfect Tense,过去完成时,19,一、,过去完成时,二、,过去完成时,与现在完成时的比较,三、,过去完成时,与一般过去时的比较,Grammar,in use,20,一、过去完成时,1.意义：表示一个动作在过去某一个动作或过去某一时间之前已经发生或完成。,（即动作发生在,过去的过去,）,2.形式 1）肯定式：,2）否定式：,3）疑问式,：,主语,+,had,+,动词的过去分词,主语,+,had not,+,动词的过去分词,Had,+,主语,+,动词的过去分词,21,1.cleaned the blackboard,2.closed the window,now,had cleaned the,blackboard,closed the window,She,had cleaned,the blackboard,before,she closed the window.,After,she,had cleaned,the blackboard,she closed the window.,22,drank water,had run out of breath,1.ran out of breath,2.drank water,He,had run,out of breath,before,he drank water.,After,he,had run,out of breath,he drank water.,now,23,1.ate an apple,2.slept,now,had eaten an apple,slept,She,had eaten,an apple,before,she slept.,After,she,had eaten,an apple,she slept.,24,2.played ping pong,1.did his homework,now,played ping pong,had done his homework,He,had done,his homework,before,he played ping pong.,After,he,had done,his homework,he played Ping pong.,25,1.We,had not finished,it when he,came,back.,2.,Had,you,finished,the work when he,came,back?,。,26,1.We,had finished,it when he,came,back.,他回来时我们完成了。,2.,We,had not finished,it when he,came,back.,他回来时我们还没有完成,3,.,Had,you,finished,the work when he,came,back?,他回来时你们工作完成了吗？,27,动词原形变为过去时,/,过去分词：,构成规则,动词原形,动词过去式,/,过去分词,一般在动词原形末尾加,-ed,look,play,work,look,ed,play,ed,work,ed,结尾是,e,的动词在末尾加,-d,like,live,like,d,live,d,末尾只有一个辅音字母的重读闭音节，先双写这个辅音字母，再加,-ed,plan,stop,drop,plan,ned,stop,ped,drop,ped,结尾是,“,辅音字母,y,”,的动词，先变,“,y,”,为,“,i,”,再加,-ed,study,worry,cry,stud,ied,worr,ied,cr,ied,28,二、过去完成时与现在完成时的比较,过去完成时与现在完成时的时间出发点不同。过去完成时以过去某个时间为基点，而现在完成时以现在作为时间的基点。因此，过去完成时是现在完成时的过去时。,29,Tom,is,not hungry.He,has just had,breakfast.,Tom,was,not hungry,He,had just had,breakfast.,例句比较：,(现在完成时),(过去完成时),30,三、过去完成时与一般过去时的比较,一般过去时表示在,过去某个时间,发生的动作或存在的状态；而过去完成时表示在,过去某一时间之前,完成的动作。,31,1.We,got to,the station at 8:00,but the train,had left,.,我们八点到达车站，但火车已开走了。,2.We,got to,the station at 8:00,but the train,left at 7:30.,我们八点到达车站，但火车七点半就开走了。,32,3.When I,arrived,home,My parents,had had,dinner.,我到家时，我父母已吃过饭了。,4.When I,arrived,home,we,had,dinner together.,我一到家，我们就一起吃饭。,33,过去完成时：,构成：,主语,+,had,+,动词的过去分词,过去完成时主要用于表示,两个事件中一个发生在前,，或者说是表示,较早的过去,。,when,、,after,、,before,等也常与过去完成时连用，以强调事件发生的,先后次序,。,already(已经),ever（曾经）,for+表示时间段的词，just（刚刚）和never（从未）也常与过去完成时连用，以强调事件发生的先后次序。,Grammar,in use,34,两个事件都发生在过去，如果哪个在前发生用,过去完成时,表示，哪个在后用,一般过去时,表示,本课当中出现,before,和,after,引导的时间状语从句,before+,一般过去时，主句用过去完成时,e.g.The film had already begun before I came back.,after +,过去完成时，主句用一般过去时,e.g.He left the room after he had turned off the light.,Revision,35,1.I _ 900 English words by the time I was ten,。,A.learned B.was learning C.had learned D.learnt,2.By the time my parents reached home yesterday,I _ the dinner already.,A had cooked B.cooked C.have cooked D.was cooked,3.By the time he was ten years old,he _.,A has completed university B.has completed the university,C had completed an university D.had completed university,4.He _ to play _ before he was 11 years old.,A had learned,piano B.had learned,the piano,C.has learned,the piano D.learns,piano,5.The students _ their classroom when the visitors arrived.,A.have cleaned B.had cleaned,C.was cleaned D.have been cleaned,C,A,D,A,B,36,