Unit 1 Cultural Heritage 非限制性定语从句 （ppt课件）-2022新人教版（2019）《高中英语》必修第二册.pptx

1、Cultural HeritagePeriod 3(Discovering useful structures)1.To learn about non-restrictive attributive clauses2.To review restrictive attributive clauses.3.To learn the difference between as and which.Learning aimsLead inHe loves his girlfriend who is a nurse.He loves his girlfriend，who is a nurse.Ple

2、ase translate and compare.他爱她当护士的女友。他爱他的女友，她是当护士的。I love China which is a great country.I love China,which is a great country.不止一个女友只有一个女友1.何谓非限制性定语从句This is my idol Yi Yangqianxi,who is an excellent actor.My father,who is in his sixties,enjoys hill walking.Lets discover非限制性定语从句是与主句之间用逗号分开的定语从句。它只是对

3、先行词作些附加的说明,如果去掉,主句的意思仍然清楚。2.非限制性定语从句的先行词Lets discoverAs we all know,China plays greater roles in global affairs.Do you know his brother Tom,who we saw just now?He is sleeping in class again,which makes me annoyed.In this basket there are several apples,which have gone bad.非限制性定语从句先行词可以是名词，也可以是一整个句子。

4、3.非限制性定语从句的关系词Lets discoverHe loves his parents deeply,both of whom are very kind to him.China,which was founded in 1949,is becoming more and more powerful.The girl,whose name is Kate,is the top of the students in our school.I paid a visit to the company yesterday,where my brother is working.He will

5、 put off the picnic until May 1st,when he will be free.非限制性定语从句关系词没有that和why，且关系词作宾语也不能省略。As we all know,China plays greater roles in global affairs.China,as we all know,plays greater roles in global affairs.China plays greater roles in global affairs,as we all know.They have found the answers,which

6、 surprised us a lot.4.as和which引导非限制性定语从句的区别Lets discover区别aswhich意思正如这件事位置句首、句中、句末主句后面时间(先后)不分先后，把主句当一个事实分先后，主句先发生常用结构有：常用结构有：such/the same.as；as we all know；as is(well)known to all；as can be seen;as has been said before,as was mentioned above;as is often the case（这是常有的事情）（这是常有的事情）as 引导定语从句常用结构1._ w

7、e all know,the Aswan Dam Project is a great success.2._ is often the case,he made me annnoyed.3.I have never heard such stories he tells.4.He didnt find the same watch I lent him.AsAsasas1.I walk through the doors into the waiting area,theres a familiar atmosphere of boredom and tension.2.In the mid

8、dle of this particular scene I spot a small girl ankle is twice its normal size.3.I speak with the on-duty nurse,tells me that Laras parents rushed her to the hospital after she fell off her bicycle.4.Scientific studies show that laughter produces chemicals to make people feel better,means clown doc

9、tors can be helpful.5.I spent much of the time I was there feeling frightened and more than a little bored!Practicewherewhosewhowhichwhen6.Peter,you met in London,is going to Paris next week.7.Many young people,most of were well-educated,headed for remote regions to chase their dreams.8.The books on

10、 the desk,covers are shiny,are prizes for us.9.This note was left by Tom,was here a moment ago.10.Laura couldnt come to our party,was a pity.11.He finished the task in time,we had expected.12.The number of smokers,is reported,has dropped by 17 percent in just one year.whomwhomwhosewhowhichasasPracticeSummary区别限制性定语从句非限制性定语从句形式主从句无逗号隔开主从句有逗号“，”隔开先行词名词代词名词或一整句话关系词包括that和why等所有关系词不包括that和why关系词可否省略作非介词宾语可以省略不可省略关系代词：that,who,whom,which,whose,as关系副词:where,when,why介词+关系代词(which/whom)1.Review the language points.2.Finish the exercise on your workbook.