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1、高一英语语法归纳总结-定语从句的归纳一几个基本概念1.定语从句的定义：用作定语的从句叫定语从句。2.先行词：被定语从句所修饰的名词或代词。3.定语从句的位置：紧跟先行词（名词或代词）之后。4.引导词：引导定语从句的词（包括关系代词和关系副词）。1关系代词：that/who/whom/which/as2关系副词：when/where/why5.引导词的位置：位于定语从句之前（先行词之后）。【as除外】6.引导词的功能（作用）：1连接先行词和定语从句。2在定语从句中充当一定的成分（关系代词充当主语或宾语，关系副词充当状语）。7.定语从句的类型：1限定性定语从句（主句和定语从句之间无逗号）。 直接由
2、引导词引导定语从句The man who youre talking to is my friend. 由介词+关系代词（whom/which）引导The man to whom youre talking is my friend.I need a pen with which I can write a letter.=I need a piece of paper on which I can write a letter.介词的选用可根据从句中的相关词组确定，该介词通常可以放在关系代词之前，也可放在从句之尾。例如：The man (who/whom/that) I talked abo
3、ut at the meeting is from Beijing University.=The man about whom I talked at the meeting is from Beijing University.The palace (which/that) I often pay a visit to was built in the 17th century.=The palace to which I often pay a visit was built in the 17th century.2非限定性定语从句（主句和定语从句之间用逗号隔开）。 直接由引导词引导定
4、语从句。 由介词+关系代词（whom/which）引导。I live in a house far away from the city, in front of which is a big tree.There is an apple tree standing at the gate, on which are many apples.This is the man to whom I gave the book. 由“代词/名词+of+whom/which”或“of which/ whom +名词/代词”(先行词指人用whom,指物用which)引导。One, some, any, n
5、one, all, both, several, many, most, neither, either等词、数词、分数或百分比与of whom或of which连用。He has five children, two of whom are abroad.(比较：He has five children, and two of them are abroad.)We have three books, none of which is/are interesting.(比较：We have three books, but none of them is/are interesting.)除
6、why和that不能引导非限定性定语从句外，其余引导词都可以，用法同限定性定语从句一样。但要注意以下区别。1.在形式上非限定性定语从句与主句有逗号隔开。2.非限定性定语从句的作用：它只是补充说明先行词的情况，翻译时可译成两个句子。The engineer, whose leg was badly hurt, was quickly sent to hospital.（那位工程师被很快送往医院，其腿部受了重伤）The engineer whose leg was badly hurt was quickly sent to hospital. （那位腿部受了重伤的工程师被很快送往医院）3.在非限
7、定性定语从句中，任何引导词都不能省略（包括引导词在此定语从句中充当宾语在内）。指人做主语时只能用who, 做宾语时用whom; 指物做主语，宾语都用which; 关系副词用when或where，也不能省略。The man, _ is sitting on the chair, is my father.The woman, _ I met yesterday, is my English teacher.The city, _ is far away, is very beautiful.He went to America, _ his parents live.He joined the
8、Army yesterday, _ I left, too.4.whose引导非限定性定语从句：The house, whose window faces south, is mine.=The house, the window of which faces south, is mine.The house, of which the window faces south, is mine.二.定语从句中关系代词和关系副词的基本用法。1.who/that指人是主格在定语从句中代替先行词，又作定语从句的主语，不能省略。Do you know the gentleman who/that is
9、sitting there?2.whom/who/that指人是宾格，在定语从句中代替先行词，又作定语从句的宾语（动宾或介宾）。 当作动宾（动词后接宾语）时，关系代词可省略。Do you know the gentleman (whom/who/that) we met just now? 当作介宾（介词后接宾语）时：介词不提前时，关系代词可省略；介词提前时，关系代词不可省，即介词whom(指人时介词后的关系代词只能用whom)。The man (whom/who/that) I spoke with is my teacher.The man with whom I spoke is my
10、teacher. 注：固定的动词短语（动词+介词）如look for, take care of等不能把动词与介词拆开，既介词不能提至引导词前。She is the right girl (who/whom/that) we are looking for. 3.whose: 指人或物，是所有格“的”形式。Whose+n.一起在定语从句中充当主语、宾语（动宾或介宾）即先行词的什么东西怎样了，whose不能省略。Whose+n. = the +n. + of which/whom= of which/ whom+ the =n.I didnt find the desk whose leg wa
11、s broken. （主语）He is the student whose pencil I broke yesterday. （动宾）The boss in whose company I work is very kind. （介宾）4.which/that 指物，指代先行词且在定语从句中作主语或宾语（动宾或介宾）。 当作动宾时，关系代词可省略。 当作介宾时：介词不提前时，关系代词可省略；介词提前时，关系代词不可省，即介词which(指物时介词后的关系代词只能用which)。The house which/that was destroyed in the earthquake is we
12、ak. The pen (which/that) you found yesterday is mine. The games (that/which) the young men competed in were difficult. The games in which the young men competed were difficult. 注:介词+关系代词即介词+whom/which(先行词指人用whom，指物用which)。5.as指人或物，在定语从句中可作主语，宾语，表语或状语，不能省略。主要用于 “the same as；such as；so as；as as；as fol
13、lows”固定结构中，形式固定此时的引导限定性定语从句。要用as代替who(m), which, 或that引导定语从句：Such people as knew Hill thought he was honest.Such people as Hill knew thought he was honest.My hometown is no longer the same as it was.Here is so big a stone as no one can lift.The child knows as much as grow-ups (know).Id like to have
14、the same books as are used in your school.He is not such a person as I expected.He will marry as pretty a girl as he can find.注：which和as可引导非限定性定语从句：可以指代主句中的一部分或整个句子的内容，which和as都可以指代主句中的一部分或整个句子的内容，有时可以互换。因此，当as/which指代前面的整个句子，或前句中的部分内容作定语从句的主语时，谓语用单数Our team lost the game, as/which was reported in t
15、he newspaper.She was terrified, as/which I could see from her eyes.He married her, as/which was natural.区别： as引导的非限制性定语从句可以放在主句前面、插在主句中间或放在主句末尾；而which引导的非限制性定语从句只能放在主句后面。He married her, as/which was natural. =As was natural, he married her.Mark Twin is a great writer, which/as is known to all.=As is known to all, Mark Twin is a great writer.as引导的从句有“正如”、“正像”之意，而which则无此意。常用句型有：as we all know, as is known to all, as everybody can see, as is expected, As is known/ said/ reported/ told/ we all know等。如：As
