高考英语语法易混点之定语从句一、 定语从句含义 一个句子修饰名词或者代词，一般位于先行词之后二、 定语从句的连接词 关系代词：who/whom/that/which/whose/as 关系副词：when/where/why三、 易混淆知识点关系代词和关系副词的区别 关系代词在定语从句中充当主语、宾语、表语、定语的成分关系副词在定语从句中做状语，表示时间、地点或原因Eg，There is a factory where he worked before.There is a factory where he worked in before.关系代词that/which的区别1） that代指的先行词为物或者人，而which可代指前面提到指物的名词2） 只用that不用which的情况 先行词为不定代词all, anything, nothing,little,few,much something someone等。Everything I can do is to wait. 先行词有最高级修饰，有序数词修饰；This is one of the best moments that I have experienced.先行词有the only, the very, any,the same , the last等词修饰； The only table he has was broken. 先行词既有人又有物时。He never forgets the village and villagers that he spent time with. 3）只用which不用that的的情况用于非限制性定语从句（非限制性定语从句是先行词的附加说明，去掉了也不会影响主句的意思，它与主句之间通常用逗号分开）The show, which started last night, was very excellent. 定语从句前有介词的时候 There is a villa in which I lived before. 指代前面整个主句的意思 He didnt pass the English exam, which made his mother annoyed. as/which的区别1) as引导定语从句，一般位于句首，用逗号隔开，而且带有正如，好像的意思2) which引导的定语从句位于主句之后，不用逗号隔开也可以 Eg， As you see, I have a lot to do. The village, which he lived in, was quiet and beautiful. 人称代词和关系代词的区别人称代词充当句子成分，没有连接的作用关系代词在定语从句中充当成分，且有连接的作用Eg， I have a friend, whose job is to care for the old. I have a friend and her job is to care for the old. who/whom的区别who在定语从就中作主语，whom在定语从句中作宾语或表语 Eg, This is the man who wants to see you. This is the man whom you want to see. 关系代词可省略的情况关系代词（that/which/whom）在定语从句中做宾语时，可省略Eg.I appreciate the present (that/which)you bought for me. The man whom Lily visited yeaterday is Mr. White. one of+名词复数以及the one of +名词复数引导的定语从句缺主语的情况 one of+名词复数在定语从句中，作主语时，谓语动词用复数。the one of +名词复数引导的定语从句 中，作主语时，谓语动词用单数Eg， He is one of the best players who are good at playing the guitar. He is the one of the best players who is good at playing the guitar. 四、 练习(一)单句语法填空1. Parents should carefully watch for any sign of unusual behavior, may be connected with these and get help if necessary.2. First, pick a place _your child would find plants and animals that he rarely sees on a daily basis. 3. Meanwhile, tickets, can be available 10 days in advance online, also have been sold out immediately.4. Qinling giant panda features a round head and short mouth, looks more like cats, while Sichuan giant panda, a more bear-like one, has a bigger and oval head, according to the study.5. Find a time of day _ works best for you to read and try to read a little each day at that time. 6. It is based on the idea that, when we have seen something before, it is easier for us to understand and interpret it, _ puts us in a positive mood.（二）定语从句翻译1. We welcome children from outside of the UK who will make friends here by communicating with kids from different backgrounds.2. During that time, the only people I saw were joggers wheezing up the many hills around my school. 3. I brought Angel to our local hospital to visit a woman who was completely unable to move the right side of her body from a stroke (中风).4. Whillans has experienced that recently, who was trying to move to a new city for a new job, and felt there werent enough hours in the days leading up to her move.5. This finding might discourage those who want to leave ashtrays (烟灰缸) out for days at a time, especially in the heat.6. A Guide to the Birdsong of Mexico, Central America and the Caribbean is a new album that includes the sounds of endangered birds. 学科网（北京）股份有限公司