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1、专题八名词性从句专题八名词性从句一、that与what引导的名词性从句引导词用法that不可省略(宾语从句除外)，在从句中不作成分，没有词义that引导同位语从句时，应放在某些抽象名词如fact, hope, desire, thought, suggestion, idea, news, problem, possibility等后，对前面的名词起补充说明的作用，that只起引导作用，在从句中不充当任何成分，但一般不能省略引导词用法what不可省略，在从句中作主语、宾语、表语、定语或补足语，有词义(一般指的东西/事情/人/时间/地点/话等)根据句意，用适当的连接词填空1I truly bel
2、ieve _ beauty comes from within.(2015北京)2A ship in harbor is safe, but thats not _ ships are built for.(2015安徽)3Reading her biography, I was lost in admiration for_ Doris Lessing had achieved in literature.(2015陕西)4What a mess! You are always so lazy!Im not to blame, mum.I am _ you have made me.(201
3、4江苏)5It suddenly occurred to him _he had left his keys in the office.(2013江西)6I made a promise to myself _this year, my first year in high school, would be different.【答案】1.that2.what3.what4.what5.that6.that二、疑问代词ever与no matter疑问代词的区别分类用法相同点whoever/whomever/whatever/whichever和no matter who/whom/what/
4、which都可用来引导让步状语从句，此时两者可以互换。不同点whoever/whomever/whatever/whichever引导名词性从句时不能与“no matter疑问代词”互换。.根据句意用适当的连接代词填空1We promise _attends the party a chance to have a photo taken with the movie star.2The newcomer went to the library the other day and searched for_he could find about Mark Twain.3The howto bo
5、ok can be of help to_ wants to do the job.【答案】1.whoever2.whatever3.whoever.句型转换(每空一词)。Whoever comes to the party，he will receive a gift._ _ _ comes to the party，he will receive a gift.【答案】No matter who 三、doubt的名词性从句动词doubt肯定形式使用whether/if 引导名词性从句，如：I doubt whether its true.我怀疑它是否是真实的。否定形式使用that引导名词性
6、从句，如：I dont doubt that you are honest.我不怀疑你的诚实。名词doubt肯定形式使用whether/if 引导名词性从句，如：I have some doubt whether he will come.他是否会来，我有点疑问。否定形式使用that 引导名词性从句，如：There is no doubt that we will win.毫无疑问，我们会赢。用that或whether完成下面的句子1What the doctors really doubt is_ my mother will recover from the serious disease
7、 soon.2There is no doubt _it is hard work that leads to success.3To be honest, I dont doubt _he will attend the party tomorrow.4I have some doubt_ he will keep his promise that he will buy a gift for me.【答案】1.whether2.that3.that4.whether四、whether和if引导的名词性从句分类ifwhether相同点引导名词性从句时在从句中不担当句子成分，但有自己的意义；当
8、it作形式主语，主语从句放在句末时，用whether或if均可。不同点引导主语从句(放于句首时)、表语从句、同位语从句、介词后的宾语从句和后置的主语从句中含有表选择意义的or或or not时使用whether而不用if。用if或whether完成下面的句子。1It remains to be seen _the newly formed committees policy can be put into practice.(2013陕西)2It doesnt matter_ you turn right or left at the crossingboth roads lead to the
9、 park.3Everyone in the village is very friendly.It doesnt matter _you have lived there for a short or a long time.4I wonder _the medicine might have an effect on the patient.【答案】1.whether2.whether3.whether4.if/whether 五、 it作形式主语或宾语形式主语Itbe形容词(obvious, true, natural, surprising, good, wonderful, funn
10、y, possible, likely, certain, probable, etc.)that从句Itbe名词词组(no wonder, an honor, a good thing, a pity, no surprise, etc.)that从句。Itbe过去分词(said, reported, thought, expected, decided, announced, arranged, etc.)that从句形式主语It remains to be seen whether是否拭目以待It doesnt matter whether无论(不管)没关系/不要紧。形式宾语在可以接复合
11、宾语的动词之后，如think，find，make, consider等，可以用it作形式宾语。根据句意，用适当的词填空1I think_ important that you should make full use of your spare time.2_ is natural that different countries have different customs and traditions.3_is not important _ other people think about you but _ you can stick to your own way.【答案】1.it2
12、.It3.It; what; whether六、连接副词引导的名词性从句where，why，how等副词也可引导名词性从句用适当的连接副词填空1_ we understand things has a lot to do with what we feel.(2015北京)2. _ Li Bai, a great Chinese poet, was born is known to the public, but some wont accept it.(2015江苏)3We must find out _Karl is coming, so we can book a room for him.(2015重庆)4. I wonder _ Mary has kept her figure after all these years.By working out every day.(2015福建)5(2015四川) The exhibition tells us_we should do something to stop air pollution.【答案】1.How2.Where3.when4.how5.why
