选修六Unit4yugammar.pptx

1、 主讲教师：韦良金Unit4-Grammar:Emphasis sentence 强调句复习it的用法（一）强调句-it 的用法（二）强调句的特殊用法及注意问题练习巩固及总结Tasksit的用法作人称代词和非人称代词it作形式主语it作形式宾语My friend offered me a beautiful gift yesterday,and I like it very much.His sister has given a birth to a baby recently and it is very beautiful.it用作无人称的主语，不指物，而指时间，天气，气候，季节，距离等自

2、然现象，或指事物的状态。Its very kind of you to help me.We make it a rule to visit the old every weekend.It+is/was+被被强调成分成分+that(指人指人时也可用也可用who或或whom)+剩余部分。剩余部分。1.主主语 2.宾语 3.状状语Emphasis sentence it的用法（2）强调句构成强调什么注意that和和who或或whom都不可省略都不可省略问题探究:什么时候用who或whom?探究发现It is the effects of global warming that no one kn

3、ows.Itisactivitiesfromhumanbeingsthatdosomedamagetotheatmosphere.It is fossil fuels that much of the energy used to light and heat our homes comes from.你发现什么？小试牛刀1.Yourcontributioncounts.Itisyourcontributionthatcounts2.Activitiesfromhumanbeingsdosomedamagetotheatmosphere.Itisactivitiesfromhumanbeing

4、sthatdosomedamagetotheatmosphere.强调主语It is I that/who am to blame for this.3.I am to blame for this.2.强调宾语 4.）No one knows No one knows the effects of global the effects of global warming.warming.It is the effects of global warming that no one knows.5.）Much of the energy used to light and heat our h

5、omes comes from fossil fuels.It is fossil fuels that much of the energy used to light and heat our homes comes from.3.强调状语强调状语.强调副词6）Then,we got along well with each other.It was then that we got along well with each other.强调地点状语7.）They met each other in that supermarket.It was in that supermarket t

6、hat they met each other.强调时间状语8.）I was taught how to drive last year.It was last year that I was taught how to drive.Lets have a try.根据要求写出相应的强调句01 Itwashewho/thatmetanoldfriendintheparkyesterday.(强调主语)Itwasanoldfriendthat/whohemetintheparkyesterday.(强调宾语)Itwasintheparkthathemetanoldfriendyesterday.

7、(强调地点状语)Itwasyesterdaythathemetanoldfriendinthepark.(强调时间状语)Hemetanoldfriendintheparkyesterday.问题探究:要想强调met怎么办?应借助于助动词do.Hedidmeetanoldfriendintheparkyesterday.强调句的基本句型强调句的基本句型不能强调谓语动词不能强调谓语动词。若强调。若强调谓语谓语,则用则用do/does/did+动词原形动词原形,常译为常译为“的的确确”“一定一定”等等,该结构只能用于陈述句或祈使该结构只能用于陈述句或祈使句中。句中。I _ want to go to

8、 Beijing.我的确想去北京。我的确想去北京。一定要耐心点一定要耐心点!(汉译英汉译英)_doDo be patient!强调句的一般疑问句式Is/Was it+被强调部分+that/who+其他剩余部分？强调句的特殊疑问句式被强调的疑问词+is/was it+被强调部分+that/who+其他剩余部分？强调句的特殊用法 注意问题 1.强调句型与名词性从句的结合2.定语从句的结合3.not.until句型的结合强调句的特殊用法二、强调句的特殊用法1强调句型与名词性从句的结合Do you know what it is that they will do next你知道他们下一步究竟要做什么

9、吗？2 2强调句型与定语从句的结合强调句型与定语从句的结合It was last Spring when they worked together(when 引导的定语从句）that they began to become good friends是在一起工作的去年的春天里他们开始成为了好朋友。It was in the school where they had their schooling（where引导的定语从句）that they had a get together again.二十年后，他们是在曾接受教育的学校里又聚在了一起。3 3.强调句型与强调句型与notnot.u un

10、ntiltil句型的结合句型的结合It is was not until被强调部分十that其他剩余It was not until he came back that I knew the result.直到他来，我才知道结果。实战演练Not until one is old will he realize his mistakes made at his young age.It is not until one is old that he will realize his mistakes made at this young age.强调句应注意的问题 1即使被强调成分是句中的时间状

11、语、地点状语、原因状语等也不能用when，where，because等而要用that2强调句型中的主谓一致一还原后，由真正的主语来确定谓语动词的形式。3易与强调句混淆的几个句型（1）It is时间间when：，“当的时候；when引导的是时间状语从句，主句中的it指时间，表语由具体的时间充当。试比较：It was ten oclock when we got home last night.我们昨晚到家时十点了。（状语从句）It was at ten oclock that we got home last night.我们昨晚是在十点到家的。(2)It was/will be.before.

12、“过就.It was not will not be.before.“不久.就.”主句中的it指时间，表语多是表示“一段时间”的词或短语。试比较It was three days before he went to Beijing.三天后他就去了北京。It was three days ago that he went to Beijing他是三天前去的北京。此句是强调句，去掉“It was.that”后句子仍然完整合理Checkingpointsforemphasissentence 结构It+be+被强调部分+that(who)剩余部分判断方法去掉It+bethat(who)剩下的部分可以

13、组成一个完整的句子特殊句型NotuntilIt+be+notuntil+that一般疑问句Be+it+被强调部分+that+剩余部分特殊疑问句疑问词+be+it+that+剩余部分Show Time6分分1.It is not help but obstacles that _（make）a man.使人成才的，不是使人成才的，不是助力，而是阻力。助力，而是阻力。2.It is the ability to do the job that _(matter)not where you come from or what you are.3.Personally I think it is th

14、e sales manager,rather than the sales girls,that _(be)to blame.makematters is一一.强调句型中的主谓一致强调句型中的主谓一致4分分1.Ive already forgotten where_ _ _ you put the dictionary.2.It _ at the very beginning _ Mr.Fox made the decision _ we should send more firefighters there.itwas thatwas thatthat点拨：有时强调句型会与点拨：有时强调句型

15、会与其他从句结合在一起出现其他从句结合在一起出现,要注意分清。要注意分清。二二.强调句型和名词性从句的结合强调句型和名词性从句的结合4分分 1.It was in the small house _ was built with stones by his father _ he spent his childhood.2.It was playing computer games _ cost the boy plenty of time _ he ought to have spent doing his lessons.whichthatthatthat三三.强调句型和定语从句的结合强调

16、句型和定语从句的结合8分分1.It is a fact _ he can speak both English and Japanese.2.It is/has been two months _ he fell ill.3.It was a long time _ they met again.4.It was 1949 _ the PRC was founded.thatsincebeforewhen4.强强调调句型的形近句型句型的形近句型6分分1.It was not until he came back _ I knew the result.2.It was not until she took off her dark glasses _ I realized she was a famous film star.3.It was not until 1920 _ regular radio broadcast began.thatthatthat5.强强调调句型和（句型和（not）until句型的句型的结结合合 If you want knowledge,you must