1、Unit 4 Stage and screen突破语法大冲关 返首页2 动词-ing 形式作状语一、动词-ing 的具体形式 观察例句 They sat in the classroom，reading the books borrowed from the library.I stood there motionless，not knowing what to do.Having succeeded in the test，he became more confident.返首页3 Not having finished his homework，the boy was still doin
2、g it in the classroom.Having been told several times，he still couldnt understand how to operate the machine.返首页4 归纳用法(1)动词-ing(以 do 为例)从形式上可分为一般式(doing)与完成式(having done)，其被动式分别为 being done 与 having been done。(2)动词-ing 形式的一般式作状语，表示的动作与谓语动词所表示的动作同时或相继发生，其否定式为 not doing。(3)动词-ing 形式的完成式作状语，表示的动作发生在谓语动词
3、所表示的动作之前。其否定式为 not having been done。返首页5 即学即练 1 完成句子 由于我已经完成了所有的工作，我就坐下来休息一会儿。，I sat down to have a rest.这个男孩坐在门口，等着他妈妈回来。The boy sat by the door，没有被邀请，她感到非常不愉快。，she felt very unhappy.Having finished all my homeworkwaiting for his mother to returnNot having been invited返首页6 二、动词-ing 形式作状语的具体情况 1时间状语
4、 观察例句 Walking in the park，she came across an old friend.You should never take a chance while driving a car.归纳用法 动词-ing 形式作时间状语时，相当于时间状语从句，有时可在前面加上 when 或 while。例的 WalkingWhen she was walking。返首页7 即学即练 2 用括号内动词的适当形式填空(hear)the good news，he jumped with joy.(finish)his summary，he went out for a walk.Wh
5、en(approach)a crossroad，you must be careful.HearingHaving finishedapproaching返首页8 2原因状语 观察例句 Not knowing his address，I couldnt call on him.Having eaten at the cafeteria before，Tina didnt want to eat there again.Being well taken care of，she recovered quickly.归纳用法 动词-ing 形式作原因状语时，相当于原因状语从句。例的 Not know
6、ingBecause I didnt know 返首页9 即学即练 3 用括号内动词的适当形式填空(be)ill，he couldnt book the flight.(live)in the city for many years，I knew it well.(ask)to work overtime that evening，I missed a wonderful film.BeingHaving livedHaving been asked返首页10 3伴随或方式状语 观察例句 He sat in the armchair，reading a newspaper.He suddenl
7、y appeared in class one day，wearing sunglasses.归纳用法 动词-ing 形式作伴随或方式状语时，可以转换成并列成分。例的 readingand read。返首页11 即学即练 4 用括号内动词的适当形式填空 When I was little，my mother used to sit by my bed，(read)me stories till I fell asleep.She lay on the grass(feel)depressed about the whole situation.feelingreading返首页12 4.条件状
8、语 观察例句 Turning to the left，you will find a path.Taking more exercise，youll become stronger and healthier.归纳用法 动词-ing 形式作条件状语时，相当于条件状语从句。例的TurningIf you turn。返首页13 即学即练 5 一句多译 努力学习，你就会通过这次考试。(动词-ing 形式作状语)(条件状语从句)(祈使句and陈述句)Work hard，and you will pass the exam.Working hard，you will pass the exam.If y
9、ou work hard，you will pass the exam.返首页14 5让步状语 观察例句 Having tried many times，he still couldnt overcome the difficulties.Though lacking money，his parents managed to send him to university seventeen years ago.返首页15 归纳用法 动词-ing 形式作让步状语时，相当于让步状语从句。例的Having triedAlthough he had tried。有时可在动词-ing 前面加上 alth
10、ough/though，even if/even though等。返首页16 即学即练 6 用括号内动词的适当形式填空 Though(work)hard，he couldnt earn enough money to pay off his debt.(tell)many times，he still couldnt understand the problem.Having been toldworking返首页17 6结果状语 观察例句 The boy fell off his bike，breaking his left arm.Their car was caught in a tra
11、ffic jam，thus causing the delay.归纳用法 动词-ing 形式作结果状语时，表示必然的结果，通常放在句末，相当于 so 或 so that 引导的结果状语从句。例的 breakingso that he broke。有时为了突出结果，可在动词-ing 前加上 thus。返首页18 名师点津 不定式作结果状语时，表示出人意料的结果，常与only，never 连用。返首页19 即学即练 7 用括号内动词的适当形式填空 He comes home late every evening，(make)his wife very angry.Anxiously，she too
12、k the dress out of the package and tried it on，only(find)it didnt fit.The snow lasted a week，thus(result)in a serious traffic jam in the whole area.makingto findresulting返首页20 7评注性状语 观察例句 Generally speaking，children are naturally curious.Considering the budget，we have decided to give up the travel p
13、lan.返首页21 归纳用法 有些动词-ing 形式用于句首，没有逻辑主语而独立存在，作为句子的独立成分来修饰全句，表明说话者的态度、观点等，这被称为评注性状语。常见的评注性状语有：generally speaking 一般来说，frankly speaking 坦率地说，roughly speaking 大致说来，judging from/by根据来判断，considering考虑到，supposing假如等。返首页22 即学即练 8 补全句子(坦率地说)，the resources in the world are very limited.(从他的口音判断)，he must be fro
14、m the south.Judging from his accentFrankly speaking返首页23.单句语法填空 1When(leave)the airport，they waved again and again to us.2(work)for a whole day，the secretary looked exhausted.3George returned after the war，only(tell)that his wife had had a car accident.to be toldleavingHaving worked返首页24 4Not(know)h
15、er address，we cant get in touch with her.5Though(lack)a little confidence，he finished the speech successfully.6(talk)to，you should look into the eyes of the person.7(show)around the Water Cube，we were then taken to see the Birds Nest.8(write)an important letter，I listened to the music for a while.kn
16、owinglackingBeing talkedHaving been shownHaving written返首页25 9(judge)from his expression，he was frightened of spiders.10There is no greater pleasure than lying on my back in the middle of the grassland，(stare)at the night sky.Judgingstaring返首页26.用括号内动词的适当形式填空 Last weekend，I 1.(walk)into our local bo
17、okshop.2.(buy)a book，I decided 3.(take)the bus home，because it was quite a long walk home.walkedHaving boughtto take返首页27 When 4.(get)on the bus，I was 5.(surprise)to see an old friend of mine.We started 6.(talk)and I hardly realized that I had arrived at my stop.7.(stand)up，I cried，“Please wait!This is my stop！”I got off the bus，8.(smile)happily.Then，suddenly 9.(realize)I had left my book behind on the bus，I shouted，“Stop，please！”But it was too late.The bus had gone away，10.(take)my book with it.gettingsurprisedtalking/to talkStandingsmilingrealizingtakingThank you for watching!
