九年级Unit7Grammar-Focus.pptx

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,2021/10/3,#,Unit 7,Section A,Grammar Focus,第1页,cry all night,stay by ones side,sleep in warm arms,run through the field,make sure,keep sb.from danger,give sb.a hug,lift up,talk back,整夜哭,待在某人身边,睡在温暖臂弯里,穿过田野,确定；确保,使某人远离危险,拥抱某人,举起，提起,回嘴；顶嘴,Review,Translate the phrases.,第2页,watch scary movies,give sb.awful dreams,be back by ten,think back to those times,cough for days,have scary dreams,be late for school,stay out,regret doing sth.,看恐怖电影,带给某人噩梦,在10点前回来,回想那些时光,咳嗽好几天,做可怕梦,上学迟到,待在外面；不回家,后悔做过某事,第3页,I think students,should be allowed,to do homework with friends.,Sixteen-year-olds,should not be allowed,to drive.,Do you think sixteen-year-olds,should be allowed,to choose their own clothes?,Look at these sentences.,第4页,含情态动词被动语态,必定句:主语+情态动词+be+动词过去分词.,否定句:主语+情态动词+,not,+be,+动词过去分词.,疑问句:,情态动词,+主语+be+动词过去分词?,第5页,(一)将主动语态宾语变成被动语态主语。,(二)将含情态动词主动句式变成被动句式，即：“情态动词+动词原形”变成“情态动词+be+过去分词”，然后再在其后加“by+主动句中主语(人称代词用宾格)”。by短语也可省略。,请看以下各句：,转变方法,第6页,You should finish your homework first.,Your homework,should be finished,(by you)first.,You can take this magazine home.,This magazine,can be taken,home(by you).,第7页,含情态动词疑问句、否定句改变均需借助于情态动词完成。,1.,普通疑问句,：直接将被动语态陈说句中情态动词提前。,Must,this task,be finished,at once?,这项任务必须马上完成吗？,句式变换,第8页,注意：含情态动词被动语态普通疑问句回答，应保留原情态动词，但must表“必须”时，其否定回答应用neednt；need表“必要”时，其必定回答应用must。如：,-,Must,my exercise book,be handed in,now?,我练习本必须现在上交吗？,-Yes,it,must,.是，必须现在上交。,（No,it,neednt,.不，无须现在上交。）,-,Need,he,be operated on,at once?,他必须马上手术吗？,-Yes,he,must,.是，他必须。,（No,he,neednt,.不，他无须。）,第9页,2.,特殊疑问句：,由特殊疑问词加上被动语态普通疑问句组成。,When,must,this task,be finished,?,这项任务必须在什么时候完成？,3.,否定句,：在情态动词后面加上not或never即可，,但must表必要时否定式为neednt。,This task,neednt,be finished,at once.,这项任务没必要马上完成。,第10页,4.,反意疑问句,：借助情态动词组成附加疑问部分。如：,This bridge,can be built,next year,cant it?,这座桥明年能建成，是吗？,第11页,Teenagers,should be allowed,to choose their own clothes.,应该允许青少年选择他们自己服装。,Students,should not be allowed,to have part-time jobs.,不应该允许学生们做兼职员作。,Can,these books,be taken,out of the reading room?,能够把这些书带出阅览室吗？,When,must,the work,be finished,?,这些工作必须什么时候完成？,第12页,Young trees should _ every year.,A.be planted B.planted C.plant,.按要求完成以下各句每空一词含缩写。,1.We must do the work right now.(改为被动语态),_ _ _ _ _ right now.,A,The work must be done,.,选择最正确答案。,第13页,2.Teenagers should be allowed to go out with their friends on school nights.(改为否定句),Teenagers _ _ _ to go out with their friends on school nights.,3.A book should be read each month.(改为普通疑问句),_ _ _ _ _ each month?,shouldnt be allowed,Should a book be read,第14页,1.Their work must _(finish)by,four oclock.,2.Your homework should _(do)by,yourself.,3.These books mustnt _(take)out,of the reading room.,4.Should these food _(keep)dry?,be finished,be done,be taken,be kept,III.,用所给词适当形式填空。,第15页,IV,.句型转换,1.You should make up the bed every day.(改为被动语态),The bed _ _ _ up every day.,2.We cant see stars in the day time.(改为被动语态),Stars _ _ _ in the day time.,3.You must return the book on time.(改为被动语态普通疑问句形式),_ the book _ _ on time?,should be made,cant be seen,Must,be returned,第16页,3.The machine can be used for,washing dishes,.(对画线部分进行提问),_ _ the machine _ used for?,What can be,第17页,4.你能够稍后考试。,You can _ _ _ later.,5.这项工作必须按时完成。,The work must,_ _,on time.,6.应允许青少年培养自己兴趣。,Teenagers,_ _ _,to develop their own hobbies.,take the test,be finished,should be allowed,第18页,