Unit 2 Discover Useful Structures 课件ppt--（2023新教材）高中英语人教版（2019）选择性必修第二册.pptx

1、Learning aims:1.Review the functions of noun clauses and know how to use conjunctions(引导词引导词).2.S Answer the following questions：1)名词性从句包括哪些？名词性从句包括哪些？2)名词性从句的引导词有哪些？名词性从句的引导词有哪些？3)名词性从句应注意的语法规则有哪些？名词性从句应注意的语法规则有哪些？参照金版教程参照金版教程 P33-34,思考上面的问题。思考上面的问题。What seemed strange before now appears quite norm

2、al to Xie Lei.What surprised her was that she found herself speaking up in class after just a few weeks.主语从句主语从句主语从句主语从句表语从句表语从句Mark the noun clauses and think about their functions.自学检测What is noun clause?名词性从句名词性从句 主语从句主语从句宾语从句宾语从句表语从句表语从句同位语从句同位语从句1.What he has done is meaningful.2.I insist that

3、she(should)finish her task alone.3.My question is who will win the game.4.The fact that she was late surprised us.主语从句主语从句宾语从句宾语从句表语从句表语从句同位语从句同位语从句 主语主语宾语宾语表语表语(系动词之后）系动词之后）同位语同位语Conjunction words引导词引导词用法用法从属连词从属连词无成分，无意义无成分，无意义无成分，意为无成分，意为“是否是否”连接代词连接代词在从句中充当主语，宾语，在从句中充当主语，宾语，表语，定语表语，定语连接副词连接副词在从句

4、中充当状语在从句中充当状语thatwhether,ifwhat,which,who,whom,whose,+ever,when,where,why,how,连接词连接词二二 、连接词的选择和技巧、连接词的选择和技巧1)That was _ we did this morning.1.找出主句的谓语（或系动词），确定是什么从句。找出主句的谓语（或系动词），确定是什么从句。2.分析从句的句子成分，缺什么，补什么。分析从句的句子成分，缺什么，补什么。（）缺缺宾语宾语考虑考虑连接代词连接代词what2)_ he is still alive is surprising.（）不缺成分不缺成分 不缺意思不

5、缺意思 That3)I wondered _ you were so angry.1.找出主句的谓语（或系动词），确定是什么从句。找出主句的谓语（或系动词），确定是什么从句。2.分析从句的句子成分，缺什么，补什么分析从句的句子成分，缺什么，补什么（）别忘了：缺状语别忘了：缺状语考虑考虑连接副词连接副词why二二 、连接词的选择和技巧、连接词的选择和技巧总之总之:分析从句的句子成分，分析从句的句子成分，缺什么，补什么缺什么，补什么：不缺句子成分，不缺意思，就选不缺句子成分，不缺意思，就选_。不缺句子成分，只缺不缺句子成分，只缺“是否是否”，就选就选_或或 if。缺主语缺主语/宾语宾语/表语表语/

6、定语，就选定语，就选_，如，如what,who,whom,whose,which等；等；缺状语，就选缺状语，就选_，如，如when,where,why,how等。等。thatwhether连接代词连接代词连接副词连接副词三、名词性从句三、名词性从句 常考点常考点3.Her wish is _ she could lose weight soon.4.Shanghai has taken on a new look.It isnt like _ it used to be.考点考点1 thatwhat 的选用的选用thatwhatThatwhatthatWhat1.parents say and

7、 do has a lifelong influence on their children.2.he was admitted into Beijing University made his teachersand parents happy.3.Im not interested in you have to do;I just need the result.4.Its known knowledge is treasure and practice is the keyto success.WhatThatwhatthat即时训练即时训练只能用只能用whetherwhether小结：

8、小结：1.1.置于句首的置于句首的_从句从句;2.2.介词后面的介词后面的_从句从句;3.3.引导引导_从句和从句和_从句从句;4.4.与与_连用时连用时;5.5.后面接后面接_._.考点考点2 ifwhether 的选用的选用主语主语宾语宾语 or not同位语同位语表语表语to do if if 只用于只用于动词后面的动词后面的宾语从句宾语从句1._ we will hold a party depends on the weather.2.Were worried about _ he is safe.3.The question is _ he should do it.4.There

9、 is some doubt _we can win the battle.5.I dont know _ or not he is well.6.I havent decided _ to go there.7.I wondered _he had applied for the job.Whetherwhetherwhetherwhetherwhether/ifwhetherwhether1.He failed the exam.Thats _ he didnt study hard enough.2.Tom is ill.That was _ he was absent from sch

10、ool this morning.3.The reason _ he was late was _he missed the train by one minute.becausewhywhy考点考点3 because,why的的选用选用that总结：总结：1.That/This is because+_ “那那/这是因为这是因为”；That/This is why+_ “那那/这是这是的原因的原因”。2.作文句型：作文句型：The reason why(定从定从)is _.的原因是的原因是.。原因原因结果结果that1.He is careless and irresponsible.Tha

11、t was _ he was fired.2.He was fired.That was _ he is careless and irresponsible.3.The reason _ he was fired was _ he was careless and irresponsible.whybecausewhythat即时训练即时训练【句型练习】【句型练习】(The reason why.is that.)袁隆平被誉为杂交水稻之父的原因是他为世界做出了巨大的贡献。袁隆平被誉为杂交水稻之父的原因是他为世界做出了巨大的贡献。_The reason why Yuan Longping is

12、 honored as“Father of Hybrid Rice”is that he made great contributions to the world.1._is known to us,Moyan is a famous writer._is known to us that Moyan is a famous writer.2.I am surprised at the news _ he told me just now.I am surprised at the news _he lost the game.The suggestion came from the cha

13、irman _the new rules should be adopted.AsIt考点考点4 名从和定从的区别名从和定从的区别 _is known to us is that Moyan is a famous writer.What同位语从句的名词（抽象名词）同位语从句的名词（抽象名词）:advice,doubt,fact,hope,idea,information,message,news possibility,promise,thought thatthatthat解释说明解释说明修饰限定修饰限定1.The boy is interested in the story_I am t

14、elling.The boy is interested in _ I am telling.2.Those _ want to join the English club please fill in the form first._ wants to join the English club please fills in the form first.3.The words _you said surprised me._ you said surprised me.4.The news _ she told me yesterday proved false.The news _ s

15、he would go abroad to study proved false.whichwhatwhoWhowhichWhatwhichthat即时训练即时训练原则：缺什么补什么原则：缺什么补什么名词性名词性 从从 句句连接代词连接代词从属连词从属连词连接副词连接副词主语主语从句从句宾语宾语从句从句表语表语从句从句同位语同位语从句从句that,whether,ifwhat,which,who,whom,whose,+ever,when,where,why,how引导词引导词名词性从句考点归纳u that/what 区别u whether/if 选用u 主从和定从的区别u because/w

16、hy 区别只能用只能用whether小结：小结：1.置于句首的置于句首的_从句从句;2.介词后面的介词后面的_从句从句;3.引导引导_从句和从句和_从句从句;4.与与_连用时连用时;5.后面接后面接_.The reason why is _.what结果结果原因原因解释说明解释说明修饰限定修饰限定主语主语宾语宾语表语表语同位语同位语or notto dothat1.What students do at college seems to matter much more than _ they go.（19北京北京）2._ impressed me most in the movie was

17、the fathers deep love for his son.（20重庆）重庆）3.It doesnt matter _ you pay by cash or credit card in this store.(20全国全国)4.By boat is the only way to get here,which is _we arrived.(18江苏江苏)5.Scientists have obtained more evidence _ plastic is finding its way into the human body.(19江苏江苏)6.It suddenly occu

18、rred to him_he had left his keys in the office.(19江西江西)7.The most pleasant thing of the rainy season is _ one can be entirely free from dust.（16北京北京）Whatwherewhetherhowthatthatthat高考链接高考链接 1.我担心的是在高考中能否通过英语考试。我担心的是在高考中能否通过英语考试。(what主语从句主语从句,whether表语从句，表语从句，the College Entrance Examination）2.我发现学好英语

19、是很重要的我发现学好英语是很重要的.（it形式宾语形式宾语）3.在我看来在我看来,学习的成功主要取决于你是否有决心。学习的成功主要取决于你是否有决心。(whether宾语从句）宾语从句）4.我的愿望是我可以被一所重点大学录取。我的愿望是我可以被一所重点大学录取。（be admitted to,表语从句）表语从句）5.可是事实是我不擅长英语。可是事实是我不擅长英语。（It is a fact that.）6.但我相信人人都有获得成功的潜力。但我相信人人都有获得成功的潜力。(宾语从句宾语从句,the potential to do sth）Translation What I am worried

20、 about is whether I can pass English exam in the College Entrance Examination.I find it important to learn English well.As far as I am concerned,success in study mainly depends on whether you have great determination.My hope is that I can be admitted to a key university.However,it is a fact that I d

21、ont have a good knowlede of English.But I believe that everyone has the potential to achieve success.Thank You!Thank You!完成金版教程完成金版教程P35P35页的相关练习。页的相关练习。作业：作业：I am going to tell you an unbelievable thing _ happened in my restaurant today.This afternoon a poorly-dressed gentleman came into my restaur

22、ant.Nobody knew _ he was.We wondered _ he was so hungry.We were surprised that he finished two orders of food in a very limited time.We doubted _ the man was able to pay the bill.The gentleman asked _ we would mind waiting for just a few minutes.Then we were shocked to see _ he took out of an envelo

23、pea million pound banknote.I asked Mr Clements _ it was genuine.Mr Clements said it was true because two of this amount had been issued by the Bank of England this year.He thought _ the gentleman showed us couldnt be a fake._ a gentleman with a million pound note ate in our small restaurant was a big puzzle to all the people there.I really couldnt describe _ excited I was.thatwhowhywhetherwhetherthatwhetherwhathowWhy【用适当的连接词填空】【用适当的连接词填空】