人教版（2019） 必修第一册 Unit 4 Natural Disasters Discovering Useful Structures课件（共25张）.pptxVIP

——RestrictiveRelativeClause;Thepersonwho/thathelpedmewasastranger.

Thepenthat/whichhechosewasveryexpensive.

EverythingthatIdoseemstobewrong..

Everyonethatknowsherlikesher.

Thebookthat/whichIwantisonthetopshelf.

Thecarwhich/thatknockedhimdowndidnotstop.;句子类型;名词性从句：主语从句，宾语从句，表语从句，

同位语从句;定语从句的结构：

先行词+关系词+定语从句;定语从句的分类：

限制性定语从句:一般紧跟在先行词后面,不用逗号把从句与先行词分隔开来。是句子中不可缺少的成分,少了它句子就会失去意义不能成立。

e.g.MybrotherwholivesintheUSAhas6children.

非限制性定语从句:通常由逗号与句子其他成分隔开。只是对先行词作进一步的说明,没有它句子仍能成立,意思仍很清楚。

e.g.Mybrother,wholivesintheUSA,has6children.;关系词：引导定语从句的词叫关系词。

???关系词有关系代词和关系副词。

关系代词：that,which,who,whom,whose,as（做主语，宾语，表语，定语等句子成分）

关系副词：when,where,why（作状语）;关系代词用法;Studytherule;thekingmarriedanewqueenwhowasunkindtoher

Thequeenhadamirrorthatwasonthewallinherroom.

Itwasamagicmirrorwhichcouldtellthequeenwhethershewasthefairestofall.

thequeenwantedtokilltheprincesswhomshewasjealousof.

SnowWhitefoundasmallcottagewhoseownerweresevendwarfs（小矮人）.

;Studytherule;;Note:(i)Theseclausesarenotmarkedoffbycommas.

(ii)Inthefirstexamplewhoorthatmaybeused.

(iii)Inthelasttwoexamplesthatorwhommaybe

leftout.;◆Non-restrictiveattributiveclauses;Noticethatinnon-restrictiveattributiveclause:;关系副词：在从句中作状语（when,where,why）。

;1.All________wehavetodoistopracticeeveryday.

Conclusion：

2.Thefirstlesson_______Ilearnedwillneverbeforgotten

Conclusion：;3.Ihavereadallthebooks________yougaveme.

Conclusion：

;5.Whoistheboy________washerejustnow?

Whichisthebike________youlost?

Conclusion：

;1.Thisisthehousein______JiXiaolanusedtolive.

;在下列情况下只能用which

“介词+关系代词”结构

ThisisthehouseinwhichpremierZhouoncelived.

(2)引导非限制性定语从句

(3)先性词本身是that,或句子中已经有了that时

e.g.WhatIwanttodoisthatwhichw