北师版高一必修2现在分词导学案无答案.docx

1、现在分词导学案Learning aims： By the end of this class, we are able （1）to master different kinds of adverbials that present participles can express. （2）to use present participles as adverbials correctly. Learning procedures： Step1:Lead-in （3mins） Appreciate a short poem and find out the present participles

2、used as adverbials. Before my bed there is moonlight. So that it seems frost on the ground. Lifting my head, I watch the bright moonlight. Lowering my head,I dream that Im home. Step2:Presentation (32mins) Part1:Changes in tense and voice of present participles (5mins) （现在分词在时态和语态变化） 语态 时态 一般式 完成式 主

3、动 语态 主动关系 被动 语态 被动关系 几乎同时 有明显时间差 (1). _ in the street,she saw an old friend. A.Walking B.walk C.having walked D.being walked (2)._ by his father, my friend was unhappy. A.Having punished B.punished C. Being punished D.Punishing (3)._ such heavy pollution already,it may be difficult to clean up the r

4、iver. A. Having suffered B.Suffering C.To suffer D. Suffered (4). _ for three minutes, the girl felt nervous. A.stare at B.Being stared at C.Having been stared at D.To stare at Part2 识别现在分词所充当的各种状语 (8mins) 1.Review:判断V-ing在句中所做的成份 . Coming late for school is a bad habit. .We should avoid talking lou

5、dly in a library. .They are exciting . . They are visitors coming from several countries. . Coming late, the girl missed the train. 2.Observe and think :现在分词可以做哪些状语？ Competition: Recognize the adverbials according to the information and tell what kind of adverbial it is.) Example:Having been transla

6、ted into 20 languages, the book is famous all over the world now. (原因状语) .Being ill, he couldnt come to school today. ( ) .Using your head, you will find a way. ( ) .Having arrived at the factory,they immediately set to work. ( ) Having a cold, the boy went to school as usual. ( ) .She was so angry

7、that she threw the toy on the ground, breaking it into pieces. ( ) .The girl came in smiling.( ) 小结：现在分词可以充当原因条件、时间、让步、结果、伴随或方式状语。其中，_、_、_、_常位于句首，_、_常位于句尾，有时伴随状语或方式状语可谓语句中或句首。 Part3现在分词作状语，与状语从句的转换（13mins） 1.一句多译：观察并试着总结状语从句怎样转换成分词作状语。（从句 分词） When we are crossing the road, we often say: “Be careful!

8、” When we are crossing the road,we often say: “Be careful!” When we are crossing the road,we often say: “Be careful!” 小结：当从句主语和主句主语一致，且从句谓语和主句主语是主动关系时，可以省略状语从句的_、_,当谓语中含有be或助动词do时，也应一起省略），再把谓语中的实义动词变成_，其他不变。 2.请把下列状语从句转换成现在分词作状语。 Eg: After he heard a strong sound, he went out of the room for a look.

9、 = Hearing a strange sound, he went out of . .As the girl was seriously ill, she was taken to hospital immediately. _ .Being seriously ill, the girl was taken to . _ .As she didnt know any French, she couldnt get any one to help her. _ 3.看谁反应快？判断下列现在分词作哪种状语，并把其可以替换的逻辑连词填入括号中。 .Working harder at Engl

10、ish, you will make greater progress. (_ 状语) _you work harder at English, you will make greater progress. .Feeling very tired, they kept running. (_ 状语) _ they felt very tired, they kept running. .Having finished their homework, they went home. (_ 状语) _ they had finished their homework, they went hom

11、e. *Having finished their homework表现的动作在went home( ), 故用分词的（ ）式. .The children ran out of the room,laughing merrily. (_ 状语) 提示：现在分词作伴随状语相当于一个由_连接的并列谓语或并列句。 Part4:主语的一致性 (6mins) 1.从句的主语和主句的主语必须一致。 判断下列句子的正（T）误(F): Hearing the news, tears ran down her face. ( ) Hearing the news, she cried. ( ) Looking

12、 out through the window,I found the garden beautiful. ( ) 提示： (1).从句的主语和主句的主语必须一致。即-ing分词作状语时，它的逻辑主语就是整个句子的主语，并表示主动的关系。否则， (2).分词必须有自己的主语。这种带主语的分词叫做分词的独立结构。在句中作状语，表示时间、条件、原因、结果、让步、伴随或方式。 2.完成句子 ._,well do another two exercises. 如果时间允许，我们将做另两个练习。 ._,we decided to go swimming. 天气好，我们决定去游泳。 Step3:Conso

13、lidation (5mins) 用动词的恰当形式填空。 Looking out through the window,the garden is beautiful. ( ) While in London,I just had to go to the British Museum.Theres so much1._(see) and I only had time to spend a few hours there. 2._ (see) the pocket watches,I was reminded od the old watch my grandfather used to w

14、ear.I dont think I ever saw him without it.Then I went to the Monkey Gallery.They have got an 3. _ (amaze) collection of coins,some 4._ (be) over 2,000 years old.Next stop was the Chinese collection. 5._(live) in Hong Kong for so many years,I was very interested in this. After looking at the Chinese

15、 collection, I had hoped to see the Mexican collection.Unfortunately, when 6._(get) there,I found that it was closed. 7._(spend) the whole morning walking around the museum,I decided that I wanted to do something very different in the afternoon.So I went to the London Eye 8._(get) a birds view of th

16、e city.When 9._ (see) from the top of the Eye,some of the biggest buildings appear very small.After that,tired from all the walking,I went back to my room at the hotel 10._(stand) on the riverside and slept for a couple of hours before going out to have dinner. Step4:Homework Go on to fill in the bl

17、anks with the correct forms of Verbs 学习反思：_ _ _ _ 【学习目标】1.知识与技能理解并熟记现在分词作状语的语法条目并灵活应用2.过程与方法积极讨论，合作探究，大胆质疑，全力以赴攻克重难点3.情感态度激情投入学习，享受攻克重难点的快乐【重点难点】灵活应用现在分词作状语语法知识【自主学习】Task 1.现在分词的时态和语态主动形式被动形式一般式doingbeing done完成式having donehaving been doneTask 2.v-ing作状语时，用来修饰谓语动词。表示动作发生的时间、原因、结果、条件、让步、方式或表示主要动作发生的伴

18、随情况，通常相当于一个状语从句或并列分句。一般说来这种结构的逻辑主语就是句子的主语。1，作时间状语Hearing the news, they all jumped with joy.(When they heard the news, they all jumped with joy.)听到这个消息时他们都高兴得跳了起来。2，作原因状语Being sick，I stayed at home.（Because I was sick, I stayed at home.）我因病呆在家中。Not knowing her address，I cant write to her.（Because I

19、dont know her address, I cant write to her.）由于不知道她的地址我没法给她写信。3,作结果状语Her husband died ten years ago,leaving her with three children to look after.(Her husband died ten years ago and left her with three children to look after.)她丈夫十年前去世了,撇下她和三个孩子。4,作条件状语Studying hard, you will make great progress.If yo

20、u study hard, you will make great progress.如果你努力学习，就会取得很大的进步。5,作让步状语Having been told many times, she still knew nothing.( Though/ Although she had been told many times, she still knew nothing.)尽管告诉她许多次了，她还是什么都不知道。五、作伴随或方式状语He sat in the armchair, reading a newspaper.(He sat in the armchair, and read

21、 a newspaper.)他坐在扶手椅里读报。All night long he lay awake,thinking of the problem.(All night long he lay awake,andthought of the problem.)他整夜躺在床上睡不着,思考着那个问题。注意：1，v-ing形式的否定结构是在之前加not。2，如果现在分词的动作结束之后,谓语动词的动作才发生,现在分词应用完成式。Having eaten his dinner,the boy rushed out.那男孩吃完了饭就跑出去了。3,v-ing形式作状语时，其逻辑主语与句子的主语保持一致。

22、【探究合作】Task 1:_(hear )the bad news, they couldnt help crying_(give) more attention, the trees could have grown better._ (see)from the top of the building, we saw the house like a match box._ (see)from the top of the building, the house looks like a match box.思考：现在分词与过去分词作状语的区别？Task 2:判断正误Having been

23、told many times, but he still couldnt understand it.【当堂练习】1. _many times , but he still couldnt understand it .2. _many times , he still couldnt understand it .A. Having been toldB. ToldC. He was toldD. He been told3. _from space , the earth looks blue .4._from space , we can see the earth is blue .

24、A. SeenB. SeeingC. To seeD.See5.The secretary worked late into the night, _ a longspeech for the president.A. prepareB. preparingC.preparedD. was preparing6.European football is played in 80 countries,_ it the most popular sport in the world.A. makingB. makesC.madeD. to make7“Cant you read?” Mary sa

25、id _ to the notice.A. angrily pointingB. and point angrilyC. angrily pointedD. and angrily pointing8. _ a reply, he decided to write again.A.Not receivingB. Receiving notC. Not having receivedD. Having not received9.The missing singer was last seen _ the voice close to the bridgeAexercisingBto be ex

26、ercisingCexerciseDto exercise10.The directors discussed the project that they would like to see _ the next yearAcarry outBcarrying outCcarried outDto carry out11.several times, the young scientist still kept on making his experiments.A. Having been failedB. Having failedC. ThoughfailedD. Because of

27、failure12.He hurried to the station,the 9：30 train had already left.A. to foundB. foundC. only to findD. only finding13.all my letters, I had a drink and went out.A. FinishedB. Having finishedC. FinishingD. To finish判断正误并改正14. Opening the window, a butterfly flew into my room.15. Working hard with a strong will, your dream will certainly come true.