高中英语语法之状语从句省名师优质课获奖课件市赛课一等奖课件.ppt

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,*,本幻灯片资料仅供参考，不能作为科学依据，如有不当之处，请参考专业资料。谢谢,状语从句,第1页,语序：,陈说,语序,状语从句必须由连词或短语引导，从句,句子结构要完整,。,第2页,(一)when，while，as,它们都引导时间状语从句，都可做“当时候”解。,when意为“在时刻或时期”，它可指“时间点”或“时间段”,as意为“一边一边”或“伴随”，着重表示主句与从句动作同时发生。,while只指“时间段”，意为“在期间”，它所引导从句谓语只能是连续性动词，经常是,进行时,。while还可用作并列连词，意为“而”“但”，表对比转折。,时间状语从句,第3页,We must keep silent while others are studying.,当其它人学习时，我们必须保持平静。,They were surprised that a child should work out the problem while they themselves couldnt.,他们很诧异一个孩子竟然能处理那个问题而他们自己却不能。,第4页,As the day went on，the weather got worse.,伴随时间推移，天气变得越来越糟。,The train had just started when we arrived at the station.,我们到车站时火车刚发动。,第5页,(二)as soon as，the moment，the second，the minute，directly，immediately都是,“,一,就,”,意思。,no sooner.,than,，hardly.,when,，scarcely.,when,也是,“,一,就,”,之意，但它们有时态限制，前面部分惯用,过去完成,时，后面惯用,普通过去时。,假如,no sooner，hardly，scarcely在句首,，句子要,部分倒装,。,the first time，the last time做连词时，意为,“,当第一次,时候,”,、,“,当最终一次,时候,”,。,第6页,Did you remember to give Mary the money you owed her？,你欠玛丽钱想着还了吗？,Yes.I gave it to her the moment I saw her.,是。我一见到她就给她了。,I thought her nice and honest the first time I met her.,我第一次见到她时以为她非常老实。,第7页,我们一赶到那，天就开始下雨了。,We had hardly/scarcely arrived when it began to rain.,Hardly/Scarcely,had we,arrived when it began to rain.,We had no sooner arrived than it began to rain.,No sooner,had we,arrived than it began to rain.,第8页,“过很久（时间段）才.”强调经过时间长,It will be long/一段时间 before+从句(,普通现在时,),It was long/一段时间 before+从句(,普通过去时,),“没过很久（时间段）就”强调经过时间短,It will not be long/一段时间 before+从句(,普通现在时,),It was not long/一段时间 before+从句(,普通过去时,),当before引导从句着重强调从句动作来不及发生时，全句译为,“,来不及,就,”,或,“,不等,就,”,。,(三)before惯用句型,第9页,It was not long before I forgot it all.,没过多久我就把这事全忘了。,The roof fell before he had time to dash into the room to save his baby.,他还没来得及冲进屋里救他们孩子房顶就塌了。,It will be five years before we meet again.,我们要五年之后才会再见面。,第10页,(四)till,until使用方法,二者都表示“直到.”，基本上能够交换，不过,till不能放句首,。,当表示主句动作,延续到某时才停顿,时，,主句,用,必定,句。,当表示主句动作,到某时才开始发生,时，主句用,否定,句，即not.until.,Not until,从句或短语放,句首,时，其主句要,部分倒装,。,第11页,Ill stay here until/till 12:00.(stay这个动作延续到12:00就停顿，主句用必定),I,wont,leave here,until,12:00.(leave这个动作到12:00才发生，主句用否定),Not until 12:00,will I,leave here.,His mother,didnt,go to bed until he came back home.,Not until he came back home,did his,mother go to bed,第12页,(五)by the time(到.时)引导时间状语从句，假如,从句,谓语动词用,普通过去时,，,主句,谓语动词用,过去完成时,；假如,从句,谓语动词用,普通现在时,，主句谓语动词用,未来完成时。,By the time you came back,I had finished this book.,By the time you come back,I will have finished this book.,第13页,Sb was doing sth when.某人正在做某事时突然.,Sb was about to/going to do sth when.某人将要做某事时突然.,Sb was on the point of doing sth when.某人刚要去做某事时突然.,Sb had just done sth when.某人刚做完某事突然.,I was about to leave when the telephone rang.,We were having supper when the bell rang.,第14页,目标状语从句,惯用词组so that,in order that(方便.；为了.)；for fear that,in case(that)(以防.；以免.),so that/in order that引导从句常带有,情态,动词，in order that从句可放,主句之前或之后,，so that从句只能放,主句后,。,Ill speak slowly so that/in order that you can understand me.,He took a raincoat with him for fear that it might rain.,第15页,结果状语从句,so.that和such.that(如此.以至于.)使用方法,so+adj/adv+that从句,so+adj+a/an+可数名词,单数,+that从句,so+many/much/few/little+可数名词,复数,/,不可数,名词+that从句,such+a/an+adj+可数名词,单数,+that从句,such+adj+可数名词,复数,/,不可数,名词+that从句,so,和,such引导部分,放,句首,时，主句用,部分倒装,第16页,这种玩具是如此可爱，以至于很畅销。,It is such a lovely toy that it sells well.,It is so lovely a toy that it sells well.,Such a lovely toy,is it,that it sells well.,So lovely a toy,is it,that it sells well.,第17页,1.,no matterwh与whever(不论,、不论,),no matterwh只可,引导,让步,状语从句，,whever,则既可引导,让步,状语从句，又能引导,名词性,从句。当wh,ever引导让步状语从句时，可与no matterwh交换。,Well have to finish the job，however long it takes.,不论花费多少时间，我们都得必须完成这份工作。,(however long it takes是让步状语从句，相当于no matter how long it takes),Whoever has helped to save the drowning girl is worth praising.,不论谁救这个溺水女孩都值得赞扬。,(whoever引导主语从句，不能改成no matter who),让步状语从句,第18页,however和whatever引导让步状语从句语序：,however+,adj/adv,+主语+谓语,whatever+,n,+主语+谓语,However hard he worked,he failed the English examination.,Whatever a hard-working student he was,he failed the English examination.,第19页,2.as引导让步状语从句,although和though引导让步状语从句能够换成as引导让步状语从句，即：原从句表语adj 和n(,不带冠词,)、状语(副词)+as+原从句其余部分,，,主句,谓语动词(动词原形)+as+从句其余部分(常带may/might),主句,Although he is,a child,he knows a lot.,Child,as he is,he knows a lot.,Although it was raining heavily,he rushed out.,Heavily as it was raining,he rushed out.,Try as he might,he could not find a job.,不论他怎么努力，他还是找不到工作。,第20页,方式状语从句,3.whether.or.不论.还是.，不论.还是.,Whether you believe it or not,it is true.,All people,whether they are old or young,rich or poor,have been trying their best to help those in need since the disaster.,as if/as though引导方式状语从句普通要求用,虚拟语气,，从句动词用,普通过去时,表,现在,(be动词用,were,),用,过去完成时,表,过去,。但从句陈说情况实现可能性很大时，可用陈说语气。,第21页,A is to B,what,C is to D“A与B关系等同于C与D关系”,空气与人关系就如同水和鱼关系一样主要。,Just as water is to fish,so air to man.,Air is to man what water is to fish.,第22页,比较状语从句,1.adj/adv,比较级,+than.比.更.,I know you better than he does.,2.as(so)+adj/adv,原级,+as.与.一样.(否定句惯用so.as.),Henry is,a worker as good as,Peter(is).=Henry is,as good a worker as,Peter(is).,I can run as fast as you(can).,He worked as fast as a skilled worker(did).,第23页,3.The+adj/adv,比较级,.，the+adj/adv,比较级,.“越.越.”,The more tickets you sell,the more money you will get.,The longer you stay,the better it will be.,The busier he is,the happier he feels.,The more you read,the better you will understand.,第24页,使用状语从句要注意问题：,1.在条件状语从句(if/unless),时间状语从句(when/before/until/till/as soon as/the moment/once),让步状语从句(no matter+wh/whever)中，用,普通现在时,表,未来,。,Ill tell him the news as soon as he comes back.,Well go with you if it doesnt rain tomorrow.,Wherever he is,he will be thinking of you.,第25页,2.有些时间、地点、条件、方式或让步状语从句，假如,从句主语,与,主句主语,一致,（或是it）,从句谓语,又包含,be动词,，就可省略,从句“主语+be”,部分。,常见省略形式：if possible假如可能话，if not假如不是这么话，if so假如是这么话，if any 假如有话，if in need假如需要话，if necessary假如有必要话,第26页,1)Fill in the blanks with articles where(it is)necessary.,2)She stood at the gate as if(she was)waiting for someone.,3)Once seen,it can never be forgotten.,4)He was a swimmer when a child.,5)While in Beijing,I paid a visit to the Summer Palace.(颐和园),6)Though cold,he still wore a shirt.,第27页,