Grammar

Attributive clause:限制性定语从句 restrictive 非限制性定语从句non-restrictive 非限制性定语从句

是先行词在意义上不可缺少的定语， 如果去掉， 和主句关系不很密切 是先行词在意义上不可缺少的定语，only person who was invited. ,只是对先行词作些附加说 I was the 如果去掉， 和主句关系不很密切， 主句的意思就不完整或失去意义。 主句的意思就不完整或失去意义。这种从 如果去掉，主句的意思仍然清楚。这种从句， 明， 如果去掉，主句的意思仍然清楚。这种从句， in my office 句和主句关系十分密切， 写时不用逗号分开 不用逗号分开。 句和主句关系十分密切， 写时不用逗号分开。 写时往往逗号分开 逗号分开。 写时往往逗号分开。

Jenny, with whom I played table tennis yesterday, lives in my next room.

The man who came here yesterday has come again.

That is Mr. Wang, whose daughter teaches English at a middle school.

注意：引导非限制性定语从句的关系词不可用 注意：引导非限制性定语从句的关系词不可用that.

引导定语从句的关系词指代人 who,whom,as , , 指代事物 which,as , 所属关系 whose 指地点 where 关 指时间 when 系 指原因 why 副 词 关 系 代 词

考点一： 与 考点一：as与which引导的定语从句 引导的定语从句1.如果定语从句放主句后，即引用as也可以用 如果定语从句放主句后，即引用 也可以用 也可以用which. 如果定语从句放主句后 He failed to the exam, as (=which) is natural. 2.如果从句在主句前，只能用as引导定语从句 具有“正如 如果从句在主句前，只能用 引导定语从句 具有“正如…”之意， 引导定语从句as具有 之意， 如果从句在主句前 之意 与之搭配的动词一般是固定的. 与之搭配的动词一般是固定的 as as is known/ The earth is round,___ we all know. reported/supposed… as we is round. As ___ is known to all, the earthsee/ expect/know… 3.用于 用于the same…as…, such…as…, as…as…, so…as…中，一般用 用于 中 一般用as. Such books as you tell me are interesting. This is the same book as I lent you yesterday.

Practiceas 1. Such boys ____you mentioned are well. as 2. It is so difficult a problem ___no one can work out. 3. It is so difficult a problem_____no one can work that 结果状语从句 it out. as 4. She wore the same hat ____you wore yesterday. 5. She went to the same place where ______she saw the key.

考点二： 考点二：关系代词前介词的确定1.看定语从句中动词或 1.看定语从句中动词或形容词与介词的搭配 看定语从句中动词 注意： 注意 which I am not very familiar. This is the book ______ :有些动词短语不能拆开 with 即介词不能提前

This is the book_____ which you asked for The old man whom I am looking after

is better . _______2.根据先行词判断， 2.根据先行词判断，所用的介词与先行词搭配 根据先行词判断

in 1949 was the year ___ which the P.R.C. was founded.3.Whose从句可转换为“ of +关系代词”型 从句可转换为“ 关系代词” 3. 从句可转换为

They live in a house, whose door is blue. They lived in a house, of which the door is blue. They lived in a house, the door of which is blue.注意： 注意：whose + n= of whom / which the +名词 名词 =the +名词 +of which / whom 名词

Practice1. The pencil _____ which he wrote was broken. with 3. She has three children, all ____ whom are at school. of 4. She is our teacher, ___ ____ the daughter is a doctor. of whom 5. In the dark street, there wasn’t a person ___ whom she to could turn for help. 6. I was surprised at the way ___ which he treated the old in man. of 7. This is our school, ___ which we are proud. of 8. He bought a book yesterday, the author ___which is a teacher.