高中英语人教版必修2 Unit5 Music “介词关系代词”引导的定语从句课件（24张）

课件24张PPT。Unit 5　Music
Period 3　Learning about Language
语法专题课
“介词+关系代词”引导的定语从句【课前热身】
观察并完成下列句子, 并体会“介词+关系代词”引导的定语从句的用法
①There comes Tom, for ______ I have been waiting for an hour.
汤姆来了, 我等了他一个小时。whom②He handed me a pen with ______ I wrote down his
phone number.
他递给我一支钢笔, 我用它记下了他的电话号码。
③The boy was staying in the room through ______
window he could climb down.
那个男孩待在那间屋子里, 通过窗户他可以爬下来。 whichwhose【课堂诠解】
Ⅰ. “介词+关系代词”引导的定语从句的基本用法
1. 形式和含义:
(1)介词+ which: 说明先行词表示“物”。
①（2017·北京高考）Material collecting took us a whole
week, ______ ______ we interviewed our teachers and
took pictures of every aspect of school life.duringwhich②I lived in a hotel, __ _____ __ ______ is Tian’anmen
Square.
我住在一家宾馆里, 它的前面就是天安门广场。 infrontofwhich(2)介词+whom: 说明先行词表示“人”。
①(2016·江苏高考)Many young people, most __ ______
were well-educated, headed for remote regions to chase
their dreams.
很多年轻人都到偏远地区去追逐自己的梦想, 他们中的
大多数都受过良好的教育。
②The person __ ______ I spoke just now is my uncle.
刚才同我说话的那个人是我的叔叔。 ofwhomtowhom(3)介词+ whose+名词: 表示whose代替先行词所有格
在定语从句中作定语, 修饰其后面的名词。whose所
代替的先行词可以是人也可以是物。
①He lives in an old house, ______ ______ ____ lives
a family of birds.
他住在一所老房子里, 在屋檐下住着一窝鸟。underwhoseroof②We were grateful to Kate, ____ ______ help we could complete the task on time.
我们很感激凯特, 在她的帮助下我们才能够按时完成任务。 withwhose2. 介词的选择:
(1)根据介词与先行词的搭配关系选择。
①We’ll never forget the day ___ which the earthquake
happened in Wenchuan. (on与先行词day搭配)
我们永远忘不了汶川发生地震的那一天。on②The police searched the house __ which the thief had stayed. (in与先行词house搭配)
警察搜查了那个小偷待过的房子。 in(2)根据定语从句中的谓语动词或形容词选择介词。
①She is the model _____ whom we should learn. (learn
from sb. 向某人学习)
她是我们应该学习的榜样。
②They talked about things __ which they were interested. (be interested in对……感兴趣)他们谈起了他们感兴趣的
事情。 fromin(3)根据定语从句所表达的意义来确定介词。
Air, _______ which man can’t live, is really important.
空气确实重要, 没有它人类就不能生存。 without【名师指津】聚焦“介词+关系代词”结构易考点
(1)“介词+关系代词”引导的定语从句中的关系代词只能用which和whom, 不能用who或者that。
(2)介词+which, 作时间状语=when; 作地点状语=where; for which作原因状语=why。(3)一些动词短语中的介词一般不能与动词拆开, 如look for, look after, be made of, take part in, look forward to等。
(4)当先行词为时间、地点和原因, 介词in, on, for等与关系代词which引导定语从句时, 有时可与相应的关系副词when, where和why等互换。 Ⅱ. “介词+关系代词”引导的定语从句的特殊用法
1. 复杂介词短语+关系代词(which/whom/whose)的定语从句。常见的复杂介词有: because of, as a result of, in front of, in the middle of, on the top of, at the foot of, at the back of等。 ①It snowed heavily last night, and because of it the flight
was cancelled. (改为含有定语从句的复合句)
________________________________________________
_____________
②They arrived at a farm house, and in front of it sat an
old woman. (改为含有定语从句的复合句)
______________________________________________
__________It snowed heavily last night, because of which the flightwas cancelled.They arrived at a farm house, in front of which sat anold woman.【名师指津】
如果是表示方位的介词短语, 并且放在句首, 定语从句要全部倒装。 2. 名词/不定代词/数词/形容词最高级+关系代词的定语
从句。
①China has thousands of islands, ___ ______ __ ______
(其中最大的岛屿)is Taiwan Island.
②The poor man has three sons, ___ __ ______ (他们都)
don’t support him. thelargestofwhichallofwhom【名师指津】
名词+介词+关系代词的常见句式为: the+n. +of+关系代词, 也可用of+关系代词+the+n. 或whose+n. ; 当然of+关系代词表所属关系。 ③The little girl wrote a song, __________________
_________________________(歌名)I’ve forgotten. the name of which/ofwhich the name/whose name【巧学助记】定语从句用法顺口溜
　　关系副词可替换, 介词加上关系代;
关系代, 关系代, that与who要除外;
挑选介词要聪明, 必看动词和先行。 【课堂小结】
介词+关系代词引导的定语从句
1. 基本构成: 介词+ which/whom
2. 特殊用法:
①复杂的介词短语(because of, as a result of, on the top of. . . )+关系代词引导的定语从句②名词/不定代词/数词/形容词最高级+关系代词引导的定语从句
3. 介词不能提前的情况: 构成固定搭配的动词短语中的介词一般不能提前。