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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,*,英语教学课件系列,Go,for,it!,九年级,Unit 7,Teenagers should be allowed to choose their own clothes.,Section A Grammar Focus,Review,Talk with your classmates about your school rules by using“students are not allowed to”.,School rules,Dont arrive late,for school.,=Students are not allowed to arrive late for school.,Dont run in,the hallways.,School rules,=Students are not allowed to run in,the hallways.,School rules,Dont eat in,the classroom.,=Students are not allowed to eat,in the classroom.,School rules,Dont listen to music,in the classroom.,=Students are not allowed to listen to music in the classroom.,School rules,Dont fight with others.,=Students are not allowed to fight,with others.,School rules,=Students are not allowed to cheat.,Dont cheat.,School rules,Dont wear,long hair.(boys),=Boys are not allowed to wear long hair.,School rules,=Students are not allowed to sleep in,class.,Dont sleep,in class.,I dont think sixteen-year-olds I agree.They arent,should be allowed to drive.serious enough.,Do you think teenagers should be No,I dont agree with,encouraged to,make their own,this.Teenagers are too,decisions,?young to make their,own decisions.,Teenagers should not be allowed I disagree.They can learn,to have part-time jobs.a lot from working.,Do you think we may be allowed If you dont use a flash,to take some photos if we dont then it may be OK.,use a flash?,Grammar,Focus,Review,一般现在时的被动语态,在英语中，动词有两种语态，即,主动语态和被动语态,。,被动语态的基本结构是“助动词,be +,及物动词的过去分词”，,其中助动词,be,有人称、数和时态的变化,其变化规则与,be,作为连系动 完全一样。,1.,一般现在时被动语态的各种句式结构,肯定式,主语,+am/is/are+,过去分词,（,+by,),否定式,主语,+am/is/are+,not,+,过去分词,(+by,),疑问式,Am/Is/Are+,主语,+,过去分词,(+by)?,特殊疑问词,+,am/is/are+,主语,+,过去分词,（,+,by.),?,助记：,被动不离“,be”“p.p.”,“p.p.”,前面助动,be,。,主谓一致莫忘记，,am,is,are,现在时。,2.,一般现在时被动语态的基本用法,用法,示例,表示,经常性或习惯性,发生的被动动作,I am,often,asked the question by my pupils.,表示,近期,正在发生的被动动作,These days,people are moved by a teacher named Zhang Lili.,描述某种,常态化,的被动的客观事实,The spaceship is,mainly,controlled by computer.,强调目前存在的,针对行为主体人,的被 限制性动作,You,arent allowed to take photos.,3.,主动语态变为被动语态的方法,第一步,:,将主动语态的,宾语,改为,被动语态的主语,；,第二步,:,将主动语态的,谓语,改为,“,be+,及物动词的过去,分词”结构,；,第三步,:,将主动语态的,主语,改为,介词,by,的宾语,，放在,谓语之后,(,有时可省略,),。,如图示：,They,(,主语,）,grow,(,谓语,）,tea,(,宾语,）,in the south-east of China.,被动语态,:,主动语态,:,Tea,(,主语,）,is grown,(,谓语,）,by them,in the south-east of China.,含有情态动词的被动语态,句式,结构,示例,肯定句,主语,+,情态动词,+be+,及物动词的过去分词,(+by),Teenagers,should be allowed to go,shopping.,否定句,主语,+,情态动词,+,not,+be+,及物动词的过去分词,(+by),The word,cant be used,in this sentence.,一般疑问句,情态动词,+,主语,+be+,及物动词的过去分词,(+by)?,Must,the work,be finished,today?,特殊疑问句,特殊疑问词,+,被动语态的一般疑问句？,Who,should be asked,for help?,含有情态动词的主动句变为被动句时，谓语动词部分改为“情态动词,+be+,及物动词的过去分词”。,We,can write,Letters,can be written,letters in English.in English by us.,改为被动语态,点拨,4a Rewrite the sentences according to the example.,1.You must clean your bedroom every day.,Your bedroom,must be cleaned every,day,.,2.Parents should encourage teenagers to do social work for their community.,Teenagers _,_.,should be encouraged to do social,work for their communit,y,3.Can Lucy do her homework tomorrow instead?,Can_,_?,Lucys homework be done by her,tomorrow instead,Do you think we must keep teenagers away from the Internet?,Do you think teenagers _,_?,must be kept away,from the Internet,5.Parents should give teenagers,chances,to make their own decisions.,Teenagers _,_.,should be given chances to make,their own decisions,4b Fill in the blanks with the correct forms of the words in brackets.,Should teenagers _(ask)to move,out when they start working?In many Western,countries,teenagers _(allow)to,move out at eighteen.Their parents believe that,they should _(educate)to take care,of themselves from a young age.This way,when,they _(start)working they can,manage,their own lives.However,in most Asian,be asked,are allowed,be educated,start,societies,it is not common for teenagers to,_(move)out.Chinese parents believe,that it is better for children to live with parents,who can _(take)care of them.But the,young should then look after their parents as,they get older.That is why many Chinese adults,_(continue)to live with their parents.,move,take,continue,4c You and your friend are starting an English club.Make a list of rules about what should and should not be allowed.,A:Members should be allowed,to use dictionaries.,B:Yes,but they should only use,English-English dictionaries.,Are there any other rules about what should and what should not be allowed in the English club?Can you tell us?,Language points,Do you think teenagers should be encouraged to,make their own decisions,?,你认为应该鼓励青少年自己做决定吗？,make ones own decision,意为,“自己做决定”,，相当于,make a decision for oneself,。,例：,I just want to,make my own decision,.,我只想能够自己做决定。,2.Parents should give teenagers,chances,to make their own decisions.,父母应该给青少年自己做决定的机会。,chance(,a suitable time or situation when you have the opportunity to do sth.,),可数名词，意为,“机会；机遇”,，其后可接,to do sth.,或,of sth.,。若表示“做某事对某人来说是一次机会”，其后可接,for sb.to do sth.,。,例：,I never,miss a
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