(2019版)新人教版选择性必修第二册Unit 4 Grammarppt课件.pptx

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1、UNIT 4JOURNEY ACROSS A VAST LANDPeriod ThreeLearning About LanguageLearning Aims(学习目标)Discover useful structuresPast participles vs the -ing form.(重点重点难点难点)Activity 1读句感悟阅读下列句子,认真感悟阅读下列句子,认真感悟加加颜色颜色部分部分,并完成方框下的小题,并完成方框下的小题1.The next day was clear and mild,and they were pleased to see the beautiful m

2、ountains looking out over the city.2.Seen from the train window,the mountains and forests of Canada looked massive.3.However,they did not anticipate seeing such an open country,and were truly amazed.4.For both of them,the thought of crossing the whole country by rail was exciting.5.Before starting o

3、ut,they spent a couple of days in Vancouver,seeing the sights.1.句句1和句和句3中,加颜色词都是形容词化的过去分词,在句中中,加颜色词都是形容词化的过去分词,在句中作作 ,表示主语的性质或所处的状态。表示主语的性质或所处的状态。2.句句2中的过去分词短语在句中中的过去分词短语在句中作作 。作状语用的过去分词作状语用的过去分词(短语短语)和句子的主语之间有逻辑上的动宾关系,或和句子的主语之间有逻辑上的动宾关系,或称为称为 关系关系。3.句句4中的加颜色词是中的加颜色词是-ing形式形式作作 。4.句句5中的加颜色部分是中的加颜色部分

4、是-ing短语短语作作 。表语表语状语状语被动被动表语表语状语状语Activity 2语法精析一、过去分词和动词一、过去分词和动词-ing形式作表语形式作表语He looked worried after reading the letter.看完信后,他显得很忧虑。看完信后,他显得很忧虑。When we heard of it,we were deeply moved.当我们听说这件事时,我们深受感动当我们听说这件事时,我们深受感动。We were surprised at what he said at the meeting.我们对他在会上讲的话很惊讶我们对他在会上讲的话很惊讶。His

5、words were discouraging,which made many people discouraged.他的话令人泄气,使得很多人灰心丧气。他的话令人泄气,使得很多人灰心丧气。The frightened look on her face suggested that she was frightened by the frightening scene.她脸上害怕的表情表明她被这恐怖的场面吓着了。她脸上害怕的表情表明她被这恐怖的场面吓着了。总结:总结:表语常放在表语常放在be,get,feel,remain,seem,look,become等之后;过去分词作表语表示人或物的心情

6、或状态等,等之后;过去分词作表语表示人或物的心情或状态等,也可理解为心情或状态受到外界影响,有也可理解为心情或状态受到外界影响,有“感到感到”之意;之意;动词动词-ing形式作表语表示人或物的自身特征,有形式作表语表示人或物的自身特征,有“令人令人”之意。之意。二、过去分词和动词二、过去分词和动词-ing形式作状语形式作状语Used for a long time,the book looks old.由于用了很长时间,这本书看上去陈旧了。由于用了很长时间,这本书看上去陈旧了。Using the book,I find it very useful.在使用这本书时,我发现它很有用。在使用这本书

7、时,我发现它很有用。Seen from the top of the mountain,the scenery was really fascinating.从山顶看去,风景真迷人。从山顶看去,风景真迷人。Seeing the scenery from the top of the mountain,I was fascinated by the autumn colours.从山顶看风景,我被秋色迷住了。从山顶看风景,我被秋色迷住了。Following the students,the headteacher entered the classroom.跟着学生,班主任进了教室。跟着学生,班

8、主任进了教室。Followed by the students,the headteacher entered the classroom.被学生跟着,班主任进了教室。被学生跟着,班主任进了教室。When he was asked about his address,the boy didnt respond.When asked about his address,the boy didnt respond.当被问到地址的时候,这位男孩没有回答。当被问到地址的时候,这位男孩没有回答。Though they had been warned of the storm,the farmers we

9、re still working in the fields.Though warned of the storm,the farmers were still working in the fields.尽管被警告过有暴风雨,但农民们仍然在田地里劳作。尽管被警告过有暴风雨,但农民们仍然在田地里劳作。When you cross the street,you must be careful.When crossing the street,you must be careful.当过马路的时候,你务必小心。当过马路的时候,你务必小心。总结:总结:1.过去分词和动词过去分词和动词-ing形式作状

10、语时其逻辑主语必须是主句形式作状语时其逻辑主语必须是主句的主语。过去分词与其逻辑主语之间是被动关系,往往表示完成;的主语。过去分词与其逻辑主语之间是被动关系,往往表示完成;动词动词-ing形式与其逻辑主语之间是主动关系,一般表示动作正在形式与其逻辑主语之间是主动关系,一般表示动作正在进行。进行。2.过去分词和动词过去分词和动词-ing形式通常在句中作时间状语、原因状语、条形式通常在句中作时间状语、原因状语、条件状语、让步状语、方式状语和伴随状语等,为表意更明确可以件状语、让步状语、方式状语和伴随状语等,为表意更明确可以在其前面加上相应的连词,如在其前面加上相应的连词,如if,unless,al

11、though等。等。拓展:拓展:部分过去分词已经形容词化,作状语时不表示部分过去分词已经形容词化,作状语时不表示“被动关被动关系系”,其前不用,其前不用being。这样的过去分词及短语常见的有:。这样的过去分词及短语常见的有:lost in(陷入某种状态陷入某种状态)、seated(坐着的坐着的)、hidden(躲着躲着)、lost/absorbed(沉溺于沉溺于)、dressed in(穿着穿着)、tired of/bored with(厌厌烦了烦了)、used/accustomed to(习惯于习惯于)等。等。 Lost/Absorbed in deep thought,she didnt

12、 hear the sound.由于陷入沉思,所以她没有听到那个声音。由于陷入沉思,所以她没有听到那个声音。Dressed in a new dress,she looks very beautiful and elegant.穿着一件新衣服,她看上去很漂亮,很优雅。穿着一件新衣服,她看上去很漂亮,很优雅。返 回达标检测.完成句子完成句子1._ ,I am writing to inform you of the arrangement of our next lesson.得知你在汉语学习方面取得了一些进步,我很高兴。我写信告诉得知你在汉语学习方面取得了一些进步,我很高兴。我写信告诉你我们下

13、节课的安排。你我们下节课的安排。2.Tom was a little nervous, ,and couldnt help trembling.汤姆感到有些紧张,他低下头,身体不禁有些发抖。汤姆感到有些紧张,他低下头,身体不禁有些发抖。Delighted to learn that you have made some progress in Chinese learninglowering his head3.Jack stood silently, ,weighing what to say.杰克默默地站着,悲痛和愤怒扯着他的心,他掂量着该谈些什么。杰克默默地站着,悲痛和愤怒扯着他的心,他

14、掂量着该谈些什么。4. on behalf of my school.我很荣幸代表我校在此演讲。我很荣幸代表我校在此演讲。5.The fruit-picking activity is .这次水果采摘活动既有意义又有趣。这次水果采摘活动既有意义又有趣。torn by sorrow and angerI am greatly honored to deliver a speech heremeaningful and interesting.语法填空语法填空阅读下列短文,并用括号内所给词的适当形式填空。阅读下列短文,并用括号内所给词的适当形式填空。6. (absorb) in Scared St

15、ep by Step(步步惊心步步惊心),the most 7. (move) serial(连续剧连续剧) recently,many people,including some elderly people,watched it late into the night.In the serial,a maiden(少女少女) named Ruoxi went back to the Qing Dynasty,8. (involve) in a fierce fight of Kangxis nine princes(九个皇子九个皇子) for the throne(皇位皇位).Ruoxi

16、9. (move) by the eighth princes warmth and concern and fell in love with him.Absorbedmovinginvolvedwas movedHowever,after 10. (experience) many things,Ruoxi found that her true love was the fourth prince (later was Emperor Yongzheng).11. (punish) for refusing the Emperors order to marry the 13th pri

17、nce,Ruoxi was sent to do hard work in the palace for ten years,12. (wash) thousands of clothes every day.13. (realize) Ruoxis love for him,Emperor Yongzheng swore that he would love Ruoxi forever.However,Ruoxi died several years later,14. (make) Yongzheng very sad.experiencingPunishedwashingRealizingmakingIn the end of the serial,Ruoxi came back to the modern times.15. (enter) a museum,she found herself painted in a picture.返 回Entering

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