人教英语选修7Unit2Grammarppt课件

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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,Grammar,Passive voice(,被动语态,),TEACHING AIMS,Revise the passive voice(including the infinitive)and help students to know the exact meaning of the structure.,Step1.lead-in Find the differences between two sentences quickly.,a.My parents allow me to watch TV on weekends.,I am allowed to watch TV on weekends.,b.We can use mobile phone if we want to.,Mobile phone cant be used in our class.,基本结构:,be+,动词过去分词,Step 2 Grammar learning,被动语态在谓语和非谓语中使用,ANALYSE THESE SENTENCES,1.The road is being repaired by construction workers.,The road being repaired is a side road.,2.Paper is made from wood.,Paper made from wood is cheap.,3.The meeting to be held tomorrow will draw peoples attention to wildlife protection.,(非谓语动词),(谓语动词),总结:,1.,被动语态在谓语,中的各种使用形式,一般现在时,/,过去时:,am/is/are done,was/were done,2.,将来时:,will/shall be done,3.,进行时:,am/is/are being done,was/were being done,4.,完成时:,have/has/had been done,总结,2.,被动语态在,非,谓语,中的使用形式,v-ing :being done,having been done,V-ed:,过去分词,to do:to be done,to have been done,如何使用被动语态?,作谓语还是非谓语?,(,V-ing,V-ed,to do,),2.,判断时态,3.,判断语态,1,It is reported that a space station _(build)on the moon in years to come.,2,Despite the previous rounds of talks,no agreement _(reach)so far by the two sides.,3,To my delight,I _(choose)from hundreds of applicants to attend the opening ceremony.,Try your best!,(谓语),(谓语),(谓语),4,Did you enjoy the party?,Yes.We _(treat)well by our hosts,.,6,Unfortunately,we rushed the fallen old man to hospital,only _(tell)that we were responsible for him,.,9,I like getting up very early in summer.The morning air is so good _(breathe),(谓语),10,The children were not _(blame)for the accident.After all,they were still so young,.,11.Since Claire had become attached to tony,the robot,needed,_(rebuild).,12.She was very beautiful but she did not like _(envy)by so many people.,be to blame,应受责备,need doing=need to be done,The book _(belong)to the student.,注意:某些不及物动词没有被动语态,happen,take place,break out,belong to,consist of,14.,He _(seat)on a chair.,他坐在椅子上。,be+,过去分词,(adj.),表状态,Homework,Make a chart and summarize the usage of the passive voice.,Finish off the followings in your exercise books.,1.I hurried to the meeting hall,only_,(,tell,),that the meeting had been put off.,2.Little Tom should love_(take)to the theater this evening.,3.Helen was too young _(assign)such a task.,4.The book is said,_,(translate)into many languages.,5.She is busy preparing for the exams _(hold)next month.,6.With a lot of problems _(settle),the newly-elected president is having a hard time.,7.Lisa felt she was _(blame).,8.The question was difficult _(understand).,Thanks for your listening!,
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