高中英语复习北师大版《探究：过去完成进行时》 课件 (共28张PPT).ppt

1、探究：过去完成进行时.过去完成进行时一、概念过去完成进行时态主要表示过去某个时刻以前一直在进行的一个动作，它是“过去的过去”开始的动作或状态。She had been suffering from a bad cold before she took the exam.她在考试之前一直患重感冒。二、构成had been现在分词I had been looking for a job for six months before I got this one.我苦苦寻找了六个月才找到这份工作。三、用法1发生在过去某个时间之前的某个动作，且该动作持续了一段时间。I had been looking

2、for it for days before I found it.这个东西，我找了好几天才找到。The politician had been waiting for his visa for days before he got it.这个政治家在拿到他的签证之前，等了好多天。2过去某一时间之前经常发生的动作。I had often been thinking of you before you came to Shanghai.在你来上海之前，我常常想你。3直到过去某个时间点还在进行的动作。When he arrived at the station，he found the train

3、 had been waiting for passengers.当他到达车站时，他发现火车早已在等候乘客了。Shed only been reviewing her lessons for a short while when her little sister interrupted her.她妹妹打断她时，她温习功课才一会儿。名师指津：(1)过去完成进行时表示在过去某个具体时间之前正在进行的动作，强调动作的持续性，而不是最终结果。It was 10:00 am.The runners had been running since 8:30 am.现在是上午10点，赛跑者从上午8点30分就

4、一直在跑了。(2)过去完成进行时总是表示与另一过去动作或状态之间的关系。用过去完成进行时表示先发生的事件，用一般过去时表示后发生的事件。She had been practising for three years when she entered the race.她参加比赛时已练习了三年。(她先练习，后参加比赛。)四、语法区别课时 语法专练用所给词的适当形式填空1Before the last bus came，I_(wait)for half an hour.答案：had been waiting2Until then she_(live)with her daughter.答案：had

5、 been living3I heard you _(look)for me.答案：had been looking4It_(rain)and the street was still wet.答案：had been raining5His arms were sunburnt because he_(sit)in the sun all day.答案：had been sitting6He felt very tired because he_(work)in the field for at least five hours.答案：had been working7She _(study)

6、for two hours when her classmate came to visit her.答案：had been studying8She came back at seven.He_(wait)for her for 2 hours.答案：had been waiting9We didnt go shopping yesterday because it_(rain)all day.答案：had been raining10When Alice came to，she did not know how long she_(lie)there.答案：had been lying.进

7、行时态和非进行时态一、区别1进行时态表示动作未完成，非进行时态表示动作已完成。The Greens were watching a football match on TV.(在看)格林一家正在看电视上播出的足球赛。The Greens watched a football match on TV last night.(看过了)昨天晚上格林一家看了电视上播出的足球比赛。2进行时态表示暂时的动作，非进行时态表示永久的动作。Where is he working at present？(临时性的工作)他目前在哪儿工作？Where does he work？(固定工作)他在哪儿工作？3进行时态表示

8、较长时间内反复进行的动作，非进行时态表示一次性动作。Youve been saying you can succeed for five years.(多次)五年来你一直在说你能成功。You said you could succeed.(一次性)你说过你能成功。4进行时态侧重于时间的延续，非进行时态侧重于说明事实。It was raining cats and dogs last night.(强调雨没停，一直在持续)昨晚整整一夜都在下倾盆大雨。It rained cats and dogs last night.(只强调下过大雨)昨晚下了倾盆大雨。二、一般不用于进行时态的动词1.短暂性动词

9、：finish，marry，get up，come，go等。2认知类动词：understand，know，believe，think，doubt，forget，remember 等。3感觉类动词：see，hear，smell，taste，feel，notice，look，seem，appear，hate，love，prefer，fear，like，want，wish，prefer，refuse，forgive等。4存在类动词：be，exist，remain，stay，obtain等。5从属类动词：have，possess，own，contain，belong，consist of等。The h

10、ouse belongs to my brother.这所房子属于我弟弟。We much prefer Beijing Opera to opera.京剧和歌剧相比，我们更喜欢京剧。课时 语法专练.用括号内所给动词的正确时态填空1Oh no！Were too late.The train _(leave)Thats OK.Well catch the next train to London.答案：has left2Hurry up，kids！The school bus _(wait)for us!答案：is waiting3Im calling about the apartment yo

11、u _ _(advertise)the other day.Could you tell me more about it?答案：advertised4I dont understand why you didnt go to the lecture yesterday afternoon.Im so sorry.But I _(do)my homework.答案：was doing5Look at the pride on Toms face.He _(seem)to have been praised by the manager just now.答案：seems.完成句子1This cake_(闻起来很香)答案：smells wonderful2This sweet _eggs and cream(由蛋和奶油组成)答案：consists of3The weather_(很炎热)recently.答案：has stayed hot4This kind of flower _(畅销)now.答案：sells well5Tony _(相信)he will pass the exam.答案：believes that谢谢