高中英语 Book 5U3Grammar and usage 2课件 牛津必修5.ppt

Grammar and usageUnit3Verb-ed form2021/8/11 星期三1Unit 3 课件描述：课件描述：本课件以三幅卡通画为主线，本课件以三幅卡通画为主线，引导学生进一步发现动词过去分词引导学生进一步发现动词过去分词的作为状语等的用法并进行应用。的作为状语等的用法并进行应用。2021/8/11 星期三2I am.Im totally burned out.You look so tired.Why?Ive been sitting here without moving all day.Im bored with it.Thats disappointing!I think you will be pleased when its finished.Yes,you are right.But Just think about how challenging school work is.2021/8/11 星期三3Have you noticed these words used in this cartoon?tired bored burned outdisappointing pleased challenging2021/8/11 星期三4Have you noticed in what situation they are used?Have you noticed in what situation they are used?You look tired.Im bored with it.Im burned out.You will be pleased.Thats disappointing.Just imagine how challenging school work is.Verb-ed:used to say how we feel about sb.or sth.Usually passive in meaningVerb-ing:uesed to describe sb.or sth.that causes certain feeling.Usually active in meaning2021/8/11 星期三5Usually,these words are in pairsUsually,these words are in pairsDisappoint disappointed disappointingExcite excited excitingShock shocked shockingSurprise surprised surprisingAmaze amazed amazingFrighten frightened frighteningMove moved movingPuzzle puzzled puzzlingConfuse confused confusing2021/8/11 星期三6And we can develop the And we can develop the story in another waystory in another way2021/8/11 星期三7Brook sat there complaining,“How bored!”Jimmy sat there concentrated on painting.Cool!Tom ran fast hoping to join Jimmy in no timeGarfield stared at the scene,lost in thought.Enn.2021/8/11 星期三8Verb-ed phrasesJimmy sat there concentrated on painting.Brook sat there complaining,“How bored!”Tom ran fast hoping to join Jimmy in no timeGarfield stared at the scene,lost in thought.describe a supporting statedescribe a supporting stateDescribe a reasonDescribe an action happening at the same timeLike the Verb-ing form,the Verb-ed form can be a verb-ed on its own.It can also be followed by an object and/or adverbial.2021/8/11 星期三9Besides,passive verb-ed can express time,reason and condition.1.The scientists has copied a human cell,assisted by recent advances in medical science.=The scientists copied a human cell,and at that time was assisted by recent advances in medical science.2.Shocked by the article,the woman wrote a letter to the newspaper.=The woman wrote a letter to the newspaper because she was shocked by the news.3.Treated with electricity,the cell tissue will split into several parts.=If it is treated with electricity the cell tissue will split into several parts.Can you see why v-ed form is used here?verbVerbs understood subjectSubject of the main clause2021/8/11 星期三10Compare:Tom ran fast hoping to join Jimmy in no timeTom ran/Tom hopedGarfield stared at the scene,lost in thought.Garfield stared/Garfield was lost in thoughtThe factory keeps releasing smoke,making the air dirty.Made to apologize,the boy felt upset.2021/8/11 星期三11We can also use the pattern conjunction+verb-ed to express time and condition.The common conjunctions are when,whenever,once,until,unless,and if.1.When(she was)asked who she was,the little girl kept silent.2.If(I am)invited,I will go.3.I wont go unless(I am)invited.4.Once(it is)started,the plan needs to be carried out without stop.2021/8/11 星期三12Whether we use verb-ing or verb-ed depends on1.the verb and its understood subject when it express active/passive meanings2.whether its happening or past action3.Whether it is something that causes certain feelings or something that says how we feel about something or somebodySomething that verb-ed doesnt share with verb-ing:Perfect form and to express resultHaving finished the work,he left the office.He failed the test,making his parents angry.2021/8/11 星期三13Can you develop the story in another way?Having sat like this for a whole day,Im really bored now!Given five more minutes,I will get it done!Caught in the traffic jam,Tom had to give up the taxi and ran to meet Jimmy and Brook!Catching sight of poor Tom and Brook,Garfield couldnt help laughing.2021/8/11 星期三14Practice makes perfect!Practice makes perfect!2021/8/11 星期三151.from space,the earth,with water seventy percent of its surface,looks like a blue ball.A.Seen;covered B.Seen;covering C.Seeing;covering D.Seeing;covered 2021/8/11 星期三162.She is writing a letter to her friend,him to attend the party.A.having invited B.inviting C.to invite D.invited2021/8/11 星期三173.the sound,many people came to see what had happened.A.Heard;ran B.Hearing;runningB.C.Hearing;to run D.Heard;running4.away from the noise,she was considering to the country.A.Being;moving B.To be;moving C.Being;to move D.To be;to move2021/8/11 星期三185.The computer center,last year,is very popular among the students in this school.A.open B.opening C.having opened D.opened6.The policeman put down the phone with a smile on his face.A.satisfied B.satisfying C.to be satisfied D.having satisfied2021/8/11 星期三197.He was so foolish as to leave his car outside the supermarket.A.not lock B.unlocking C.unlocked D.not to be locked2021/8/11 星期三208.,he went to ask his teacher for help.A.Knowing not how to do it B.Unknown what to do C.Not knowing how to do it D.Knowing how to do it 2021/8/11 星期三21Well,we have learnt that a verb-ed or verb-ing form can have an understood subject and the understood subject is usually the same as the subject of the main clause.However,theres always exception!The following expressions dont agree with the rule,but they are correct!summary2021/8/11 星期三221.Strictly speaking,nobody is allowed in here.2.Honestly speaking,she is pretty nice.3.Judging from his accent,he must be from the south.4.Taken as a whole,there is nothing interesting in the book.5.To tell you the truth,I didnt know anything about it.6.To speak frankly,I dont agree with you about the case.2021/8/11 星期三232021/8/11 星期三24