Unit 5 Discovering useful structures过去分词作状语ppt课件-（2019）新人教版高中英语高一必修第二册.pptx

1、Unit 5 Music Discovering Useful StructuresTo be familiar with the function of past participles as the adverbial.To use past participles freely in their communication.过去分词过去分词作作状语状语过去分词表示完成或被动，作状语时，表示动作发生的背景或者情况，在意义上相当于一个状语从句，其省略的主语（逻辑主语）是主句的主语，且与主语之间存在被动关系。过去分词作状语可以表示时间、条件、方式、原因、让步等。过去分词的否定式是将not放在其

2、前面。例例:Given more time, we could do it much better.逻辑主语被动关系过去分词过去分词作作状语状语1过去分词作时间状语过去分词作时间状语时，相当于时间状语从句。可在过去分词前加上连词“when, while, until”等，使其时间意义更明确。 Looked at from a distance, the painting seems much more beautifulWhen it is looked at from a distance, the painting seems much more beautiful当从远处看时，这幅画似乎

3、更美了。过去分词过去分词作作状语状语2过去分词作原因状语过去分词作原因状语时，可转换为由since, because或as引导的原因状语从句，这类状语多放在句子的前半部分。 Worried about the exam, I was unsettled in these daysBecause I was worried about the exam, I was unsettled in these days由于担心考试，我这几天感到不安。过去分词过去分词作作状语状语3过去分词作条件状语过去分词作条件状语时，可转换为if, once或unless等引导的条件状语从句。 Grown in ri

4、ch soil, these seeds can grow fastIf they are grown in rich soil, these seeds can grow fast如果种在肥沃的土壤里，这些种子能长得很快。 Given a few minutes, Ill finish the reportIf I am given a few minutes, Ill finish the report再给我几分钟的时间，我就会完成这个报告。过去分词过去分词作作状语状语4过去分词作让步状语过去分词作让步状语时，相当于一个以though/although引导的让步状语从句。 Encourag

5、ed by his parents, he still has no confidence in overcoming the difficultiesThough he was encouraged by his parents, he still has no confidence in overcoming the difficulties尽管受到了父母的鼓励，他仍然没有信心克服困难。 Invited by him, I wont take part in the partyThough I was invited by him, I wont take part in the part

6、y即使被他邀请，我也不会参加聚会。过去分词过去分词作作状语状语5过去分词作方式/伴随状语过去分词作方式或伴随状语时，通常不能转换为状语从句，但可用并列分句代替。 The patient got off the bed, supported by the nurseThe patient got off the bed, and he was supported by the nurse那个病人在护士的搀扶下下了床。 She accepted the gift, deeply movedShe accepted the gift, and she was deeply moved她接受了礼物，深

7、深地被感动了。巩固练习巩固练习1 用所给词的适当形式填空_(raise) in the poorest area of Glasgow, he had a long, hard road to becoming a football star.Children, when _ (accompany) by their parents, are allowed to enter the stadium._(found) in the early 20th century, the school keeps on inspiring childrens love of art._(translat

8、e) into English, the sentence was found to have an entirely different word order.When I was little, my mother used to sit by my bed, _(tell) me stories till I fell asleep.Where is Jimmy?Just now I saw him sitting under the tree,_ (absorb) in his video games.Raisedabsorbed accompaniedtellingTranslate

9、dFounded巩固练习巩固练习2同义句转换When it is seen from the top of the hill, the town looks more beautiful._,the town looks more beautiful.Because they were deeply moved by the film, the children began to cry. _,the children began to cry.If we were given more time, we could do it much better._,we could do it muc

10、h better.The president of the company came to the factory, and he was followed by some workers.The president of the company came to the factory, _.Deeply moved by the film followed by some workersGiven more timeSeen from the top of the hill巩固练习巩固练习3用所给动词的适当形式完成下面短文1._(observe)on January 1 lunar mont

11、h, Chinese Lunar New Years Day, also 2._(call)the Spring Festival, is well 3. _ (receive)by all the Chinese people all over the world. At the Spring Festival, most people have big meals, 4._(cook)by themselves and chat with family members while others may take a trip to visit their friends or to spe

12、nd their long holiday. Besides, people will say “Happy New Year” to express good wishes for the coming New Year. It is also a childrens festival, when they are 5._(dress)in their favorite clothes and go to their relatives homes with their parents to get lucky money in red paper. .ObservedcalledcookedreceiveddressedThank You