用“还原法”解决定语从句的难题定语从句原本就是一个完整的句子，用个关系代词或关系副词引导而成为从句因为关系代此和关系副词要位于从句的开头，改变了原来句子的结构的顺序，常常会给定语从句的使用和理解造成困难用“还原法”将定语从句还原成原来的独立句子往往可以简化难点，使问题变得容易关系代词或关系副词的选择和which前的介词的选择是中学生英语中定语从句内容的重难点，本文仅在这两个方面向读者演示“还原法”的使用，希望对读者在解决类似问题时有些帮助一、是用关系代词还是关系副词？众所周知，关系代词替代先行名词，在定语从句中充当主语、宾语或定语；关系副词替代“介词+先行名词”，在定语从句中充当状语据此，在还原的句子里，通过分析句子的构成，可以容易地断定先行词在句子中的作用，从而使用适当的关系词如：1. The film brought the hours back to me ______ I was taken good care of in that far-away village.A. until B. that C. when D. where定语从句还原为： In the hours I was taken good care of in that far-away village. 故选when作时间状语。
2. The hours _____ the children spend n their one-way relationship with television people undoubtedly afect their relationship with real-life people.A. that B. when C. in which D. on which 定语从句还原为： The children spend the hours in their one-way relatioship with television people. 先行词the hours在这里作spend及物动词的宾语，故选关系代词that3. We are living in an age _____ many things are done on computers.A. which B. that C. whose D. when 定语从句还原为：In this age many things are done on computers. 故选when表达in this cage义，作时间状语。
4. Anyway, that evening, _______ I’ll tell you more about later, I ended up staying at Rachel’s place.A. when B. where C. what D. which定语从句还原为: I’ll tell you more about that evening later. 先行词在这里作介词about的宾语，故选which5. A fast food restaurant is the place _______, just as the name suggests, eating is performed quickly.A. which B. where C. there D. what定语从句还原为: In the place eating is performed quickly. 故选where作地点状语其中的just as the name suggests是为了增加难度而设的，应去不作考虑6. York, _______ last year, is a nice old city.A. that I visited B. which I visited C. where I visited D. in which I visited 定语从句还原为: I visited York last year. 先行词在这里作及物动词visited的宾语，故选关系代词which引导非限制性定语从句。
7. York, ______ we stayed for two months last year, is a nice old city.A. that B. which C. where D. when定语从句还原为: 先行词york在这里与in一起作地点状语，故用C. where另亦可用in which8. Is this the reason ______ at the meeting for his carelessness in his work?A. he explained B. what he explained C. how he explained D. why he explained还原定语从句成： He explained the reason at the meeting for his carelessness in his work.先行词the reason在这里作宾语，因而要用关系代词that 或which引导定语从句而关系代词作宾语被省略，故选A9. Is this the reason ______ he didn’t attend the meeting?A. on which B. why C. where D. which还原定语从句成：He didn’t attend the meeting for the reason. 先行词the reason与介词for结合，作原因状语，故选why表达for the reason义。
另亦可用for which10. Asian-Americans, _______ population is increasing rapidly, will become an important minority in the USA.A. whose B. who C. its D. their定语从句还原为: Asian-Americans’ population is increasing rapidly. 先行词Asian-americans在这里用所有格作定语，故选whose表达Asian-Americans’义，作定语二、用什么介词？当“介词+which”放在定语从句首位时，会给介词的确定或其它方面问题造成困难把定语从句还原为独立的句子、使介词回归原位后问题往往能迎刃而解1. Luckily, we’d brought a road map, _____ which we would have lost our way.A. with B. without C. for D. on定语从句还原为：We would have lost our way_____ the road map. 根据句意，应该用without。
2. American women usually identify their best friend as someone _____ they can talk frequently.A. who B. as C. about which D. with whom定语从句还原为： They can talk ____ them frequently. 根据句意用with才对3. The journey around the world took the old sailor nine months, _____ the sailing time was 226 days.A. of which B. during which C. from which D. for which定语从句还原为：The sailing time if the nine months was 226 days. 根据此句容易看出用of which正确4. The wrong you’ve done him is a terrible, ____ which you should make an apology to him, I think.A. for B. at C. in D. to定语从句还原为：You should make an apology to him for the wrong, I think.5. Carol said that the work would be well done by the end of October, _____ personally I wondered completely.A. which B. at which C. in which D. about which 定语从句还原为： Personally I wondered ______ it completely. 要用at与 wonder搭配，故选B。
6. Living in the central Australian desert has its problems, ____ getting water is not the least..A. as B. for which C. of which D. whose定语从句还原为：Getting water is not the least of the problems. 显然应选C7．Liu Xiang won a gold medal in the 2004 Athens Olympics, _____ which all Chinese feel proud. A. for B. of C. at D. on定语从句还原为：All chinese feel proud of it. 要用of与proud搭配，故选B正确练习：1. We will be shown around the city: schools, museums, and some other places, _____ other visitors seldom go.A. what B. which C. where D. when2. There are dirty marks on her trousers _______ she had wiped her hands. A. where B. which C. when D. that3. He’s got himself into a dangerous situation _______ he is like。