高中英语 Unit 6 At one with nature Using language课件 外研版必修1 课件.ppt

Unit 6,At one with nature,Using language,“,介词,+which”,引导的定语从句,【,语用功能,】,在,“,介词,+which”,引导的定语从句中,介词的选择,一定,要具体情况具体分析,有时候要根据从句的动词来定,有时候也要考虑动词与先行词的搭配,有时候也根据主,句的意义来确定。,“,介词,+which”,引导的定语从句相对,正式,多用于书面语言。,【,情境探究,】,观察上面对话,并完成句子,:,(1)This is,the room _he used to live.,这就是他住过的房间。,(2)This is the room _he used,to live in.,这是他过去居住过的房间。,in which/where,which/that,(3)The,school _he once studied is very famous.,他曾经学习的那所学校很出名。,where/in which,【,要义详析,】,引导定语从句时,where,与,in which,有时可互换,有,时不能互换,注意以下几点,:,一、关系副词与,“,介词,+which”,互换的情形,当,“,介词,+which”,在定语从句中作时间、地点和原,因状语时,可以用相应的关系副词,when,where,和,why,来替换。,1.when,根据情况可以等于,in which,at which,on which,等。如,:,*The day,when,(=,on which,)she arrived was Thursday.,她到的那天是星期四。,*July and August are the months,when,(=,in which,),the weather is hot.,七八月是天气很热的月份。,这种替换有时出现在非限制性定语从句中。如,:,*Well put off the picnic until next week,when,(=,by,then,)the weather may be better.,我们将把野餐推迟到下星期,那时天气可能会好一点。,2.where,根据情况可以等于,in which,at which,on which,等。如,:,*This is the hotel,where,(=,in which,/,at which,)they were staying.,这就是他们当时住的旅店。,*Do you remember the place,where,(=,at which,)we,had lunch?,你记得我们吃午饭的地方吗,?,这种替换有时出现在非限制性定语从句中。如,:,*The Tower of London,where,(=,in which,)so many,people lost their lives,is now a tourist attraction.,在伦敦塔中曾有许多人丧命,它现在是旅游胜地。,3.why,若要换成“介词,+which”,只能是,for which,。如,:,*The reason,why,(=,for which,)I came here was to be with my family.,我到这里来的原因是要跟我的家里人在一起。,*My success in business,the reason,why,(=,for which,)he dislikes me,has been due to hard work.,他为我在事业上的成功而不喜欢我,我的成功归功于我努力工作。,但是,反过来,for which,并不一定能换成,why,。如,:,*The documents,for which,they were searching have been recovered.,他们找寻的文件已经找到了。,二、关系副词与,“,介词,+which”,不能互换的情形,1.,有些语境需要用特定的介词来明确其关系,此时若,换成关系副词,则会导致意思不明确或句意不通顺。,如,:,*The ladder,on which,I was standing began to slip.,我脚下的梯子开始向下滑动。,(,句中的,on which,不能,换成where,否则意思不明确,),*This I did at nine oclock,after which,I sat reading the paper.,九点钟时我做这事,之后我坐着看报。,(,句中的,after which,不能换成,when,否则意思不明确,),2.,当,“,介词,+which”,后面接有被,which,修饰的名词时,通常不能用关系副词代替。如,:,*We arrived at noon,by which,time the parade was,over.,我们是中午到的,这时游行已结束。,(,句中的,by which,time,不能换成,when,或,where,因为,which,后跟有它所修,饰的名词,time),3.,当,“,介词,+which”,并不表示时间、地点或原因时,自,然不能换成关系副词。如,:,*There are three principal routes,by which,one can,drive to North Wales.,开车到北威尔士,有,3,条主要路线可走。,(,句中的,by,which,不能换成,when,或,where,因为这里的,by which,并,不表示时间或地点,介词,by,在此表示,“,通过,”,),*This is a subject,about which,we might argue for a,long while.,这是一个我们可能长时间争论的问题。,(,句中的,about,which,不能换成,when,或,where,因为这里的,about which,并不表示时间或地点,介词,about,在此表示,“,关于,”,所,涉及的搭配是,argue about),【,即学活用,】,单句语法填空,(1)He was educated at a local grammar,school,_,which he went on to Cambridge.,(2)Gun control is a subject _which Americans,have argued for a long time.,(3)Wind power is an ancient source of energy _which,we may return in the near future.,after,about,to,(4)The,English play _which my students acted at the,New Years party was a great success.,(5)The journey around the world took the old sailor,nine months,_which the sailing time was 226 days.,(6)Many people who had seen the film were afraid to,go to the forest when they remembered the scenes _,which people were eaten by the tiger.,in,of,in,(7)She showed the visitors around the museum,_,which the construction had taken more than three,years.,(8)The place _which the bridge is supposed to be,built should be _the cross-river traffic is the,heaviest.,世纪金榜导学号,of,at,where,