高中英语过去分词用法详解精选PPT讲稿.ppt
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1、关于高中英语过去分词关于高中英语过去分词用法详解用法详解第一页,讲稿共六十六页哦过去分词 过去分词是非谓语动词的一种形式过去分词是非谓语动词的一种形式,表示完成和被动的动作。它在句子中表示完成和被动的动作。它在句子中可以充当状语、定语等成分。可以充当状语、定语等成分。第二页,讲稿共六十六页哦过去分词与现在分词作状语过去分词与现在分词作状语过去分词表完成过去分词表完成、被动被动,与主句主语之间与主句主语之间是被动关系是被动关系;现在分词表进行、主动现在分词表进行、主动,与与主句主语之间是主动关系。如果一个被动主句主语之间是主动关系。如果一个被动的动作发生在谓语动词之前的动作发生在谓语动词之前,则
2、可使用现在则可使用现在分词的完成被动式或过去分词。分词的完成被动式或过去分词。一、过去分词作状语第三页,讲稿共六十六页哦过去分词表完成、被动过去分词表完成、被动,作状语时作状语时,其逻其逻辑主语是主句的主语辑主语是主句的主语,且与主语之间存且与主语之间存在着被动关系。过去分词作状语可表时在着被动关系。过去分词作状语可表时间、原因、间、原因、让步、让步、结果、结果、方式、方式、条件条件等。等。第四页,讲稿共六十六页哦观察下列的句子观察下列的句子:Once published,his works(=Once his works was published,)became famous for th
3、e absence of rhyme at the end of each line.PP作时间状语作时间状语,相当于一个时间状语从句相当于一个时间状语从句有时过去分词前可加连词有时过去分词前可加连词when或或while来来强调时间概念。强调时间概念。第五页,讲稿共六十六页哦过去分词作时间状语过去分词作时间状语1.When it is heated,ice will be changed into water.When heated,ice will be changed into water.第六页,讲稿共六十六页哦2.When it is seen under a microscope,
4、a fresh snowflake has a delicate six-pointed shape.Seen under a microscope,a fresh snowflake has a delicate six-pointed shape.第七页,讲稿共六十六页哦过去分词作原因状语过去分词作原因状语1.Since/As she was given advice by the famous detective,the young lady was no longer afraid.Given advice by the famous detective,the young lady
5、was no longer afraid.第八页,讲稿共六十六页哦2.Because it was done in a hurry,his homework was full of mistakes.Done in a hurry,his homework was full of mistakes.第九页,讲稿共六十六页哦过去分词作条件或者假设状语过去分词作条件或者假设状语1.If they had been given more attention,the cabbages could have grown better.Given more attention,the cabbages c
6、ould have grown better.第十页,讲稿共六十六页哦2.If I am compared with you,we still have a long way to go.Compared with you,we still have a long way to go.第十一页,讲稿共六十六页哦作方式或伴随情况状语作方式或伴随情况状语1.The hunter left his house,followed by his dog.The hunter left his house,and he was followed by his dog.第十二页,讲稿共六十六页哦2.She
7、sat by the window,lost in thought.She sat by the window,and she was lost in thought.lost 表示一种迷失心理状态表示一种迷失心理状态第十三页,讲稿共六十六页哦1)过去分词在句子中可以作时间状语、原过去分词在句子中可以作时间状语、原因状语、伴随状语、条件状语和让步状因状语、伴随状语、条件状语和让步状语等。语等。2)过去分词作状语时过去分词作状语时,过去分词的逻辑主过去分词的逻辑主语与句子主语一致。语与句子主语一致。Summary第十四页,讲稿共六十六页哦过去分词作状语过去分词作状语:过去分词有两大特点:过去分词
8、有两大特点:1.表示被动的动作;表示被动的动作;2.表示已经完成的动作表示已经完成的动作,因此因此,当过去分词当过去分词作状语的时候一定要搞清楚分词与主语作状语的时候一定要搞清楚分词与主语的逻辑关系被动的逻辑关系被动,例如例如:第十五页,讲稿共六十六页哦Rewrite with proper conjunctions1.United we stand,divided we fail.If we are united,we will stand,but if we are divided,we will fail.Example:第十六页,讲稿共六十六页哦2.Asked what had hap
9、pened,he told us about it.When he was asked what had happened,he told us about it.3.Well known for his expert advice,he received many invitations to give lectures.Because he was well known for his expert advice,he received many invitations to give lectures.第十七页,讲稿共六十六页哦4.Given more time,we would be
10、able to do the work much better.If we were given more time,we would be able to do the work much better.5.Once translated into Chinese,the book became very popular among Chinese teenagers.Once it was translated into Chinese,the book became very popular among Chinese teenagers.第十八页,讲稿共六十六页哦6.Deeply in
11、terested in medicine,she decided to become a doctor.Because she was deeply interested in medicine,she decided to become a doctor.7.Left alone at home,Sam did not feel afraid at all.Although he was left alone at home,Sam did not feel afraid at all.第十九页,讲稿共六十六页哦用过去分词作状语来改写句子。用过去分词作状语来改写句子。1.As I was w
12、orried about the journey,I was unsettled for the first few days._,I was unsettled for the first few days.Worried about the journey第二十页,讲稿共六十六页哦2.If he is given time,hell make a first-class tennis player._,hell make a first-class tennis player.3)As I was confused by the new surroundings,I was hit by
13、the lack of fresh air._,I was hit by the lack of fresh air.Given timeConfused by the new surroundings第二十一页,讲稿共六十六页哦4)When he was questioned by the police about the fire,he became tense._ _ _,he became tense.Questioned by the police about the fire第二十二页,讲稿共六十六页哦Find out the sentences with same meaning
14、.1.As I was worried about the journey,I was unsettled for the first few days.Worried about the journey,I was unsettled for the first few days.第二十三页,讲稿共六十六页哦2.While I was confused by the new surroundings,I was hit by the lack of fresh air.Confused by the new surrounding,I was hit by the lack of fresh
15、 air.3.As I was exhausted,I slid into bed and fell fast asleep.Exhausted,I slid into bed and fell fast asleep.第二十四页,讲稿共六十六页哦1.Following the old man,we went upstairs.we followed (跟着跟着那个老人那个老人,我们上去了我们上去了)2.Followed by the old man,we went upstairs.(we were)(被被那个老人跟着那个老人跟着,我们上去了我们上去了)Compare第二十五页,讲稿共六十六
16、页哦3.从上面看从上面看,体育场好像一个鸟巢。体育场好像一个鸟巢。_ from the top,the stadium looks like a bird nest.A.Seeing B.Seen4.从太空看从太空看,宇航员看不到长城。宇航员看不到长城。_ from the space,the astronaut can not discover the Great Wall.A.Seeing B.SeenB A 第二十六页,讲稿共六十六页哦Difference between the Present Participle and the Past Participle_for a long
17、time,the book looks old.由于用了很长时间,这本书看上去很旧由于用了很长时间,这本书看上去很旧._ the book,I find it useful.在使用的过程中,我发现这本书很有用在使用的过程中,我发现这本书很有用._ at her,he jumped with joy._at by her,he jumped with joy.UsedUsingLookingLooked第二十七页,讲稿共六十六页哦注意注意:选择现在分词还是过去分词选择现在分词还是过去分词,关键关键看主句的主语。如分词的动作是主句的看主句的主语。如分词的动作是主句的主语发出主语发出,分词就选用现在
18、分词,反之就用分词就选用现在分词,反之就用过去分词。过去分词。第二十八页,讲稿共六十六页哦Complete each sentence using the Past Participle of the right verb.1)_ by noises in the night,the girl no longer dare to sleep in her room.2)The lady returned home,_ by two policemen.frighten trap follow shootFrightenedfollowed第二十九页,讲稿共六十六页哦3)If _ in a bu
19、rning building,you should send for help.4)Although _in the leg,he continued firing at the police.trapped shot第三十页,讲稿共六十六页哦二、过去分词作定语二、过去分词作定语 过去分词作定语与其所修饰的词之间存过去分词作定语与其所修饰的词之间存在着逻辑上的被动关系在着逻辑上的被动关系,且表示该动作已经且表示该动作已经完成。单个的过去分词作定语完成。单个的过去分词作定语,通常置于被通常置于被修饰的词的前面修饰的词的前面,而分词短语作定语而分词短语作定语,则须则须置于被修饰词的后面。置于被修饰
20、词的后面。第三十一页,讲稿共六十六页哦1.Last Sunday we went on an organized trip to the forest.上星期我们组织了一次去森林的旅行。上星期我们组织了一次去森林的旅行。2.A letter posted today will reach him the day after tomorrow.今天发出的信后天就能收到。今天发出的信后天就能收到。第三十二页,讲稿共六十六页哦分词作分词作定语定语可以转换成定语从句可以转换成定语从句:He worked as a worker building roads.(主动主动)=He worked as a
21、worker who/that built roads.This is a picture painted by my father.(被动被动)=This is a picture which was painted by my father.第三十三页,讲稿共六十六页哦I know the young man sleeping on the bench.(在进行在进行)=I know the young man who is sleeping on the bench.The letter mailed last night will reach him tomorrow.(已完成已完成)
22、=The letter which was mailed last night will reach him tomorrow.第三十四页,讲稿共六十六页哦过去分词短语有时亦可用作非限制性过去分词短语有时亦可用作非限制性定语定语,前后常有逗号。前后常有逗号。Some of them,born and brought up in country villages,had never seen a train.他们当中有一些人他们当中有一些人,生长在农村生长在农村,从未从未见过火车。见过火车。第三十五页,讲稿共六十六页哦过去分词作定语有前置和后置两种情况过去分词作定语有前置和后置两种情况:单个的过
23、去分词作定语单个的过去分词作定语,通常放在被通常放在被修饰的名词之前修饰的名词之前,表示被动和完成意义。表示被动和完成意义。1.前置定语前置定语第三十六页,讲稿共六十六页哦A.被动意义:被动意义:an honored guest 一位受尊敬的客人一位受尊敬的客人 (受伤的工人受伤的工人)are now being taken good care of in the hospital.B.完成意义完成意义a retired teacher 一位退休的教师一位退休的教师They are cleaning _ (落叶落叶)in the yard.The injured workersthe fall
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