《2022年高考英语一轮复习讲练测》语法专题:名词性从句学生版.docx
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1、【名词性从句】【考纲解读】1.了解名词性从句的基本用法,掌握名词性从句的引导词及引导词在名词性从句中的作用,辨析that与what, if与whether等引导词的用法。2.明确it作形式主语和形式宾语、代替主语从句及宾语从句的用法,及其与强调句的区别。3.区分that引导的同位语从句及定语从句。【命题预测】预计2019年高考对名词性从句的考查仍然不会单纯地考查其语法结构,而是将其融入一定的语境中来考查考生的实际综合运用能力。【名师指导】1. 掌握宾语从句的用法;2. 了解同位语从句的用法;3. 掌握表语从句的用法;4. 掌握主语从句的用法;5. 如何正确选择引导词。1that引导主语从句时,
2、没有具体意思,不充当句子成分,只是起标志性的作用,但that不能省略。what引导时,在从句中充当成分,且有意义。It is true that the college will take in more new students.这所大学将招收更多的新生是真的。2whether连接主语从句时,表示怀疑,不能省略,意为“是否”,在句首时不能用if替换。(重庆高考)It is still under discussion whether the old bus station should be replaced with a modern hotel or not.旧汽车站是否应该被重建为现代
3、化的宾馆仍然在商讨中。3连接代词、连接副词引导主语从句时不能省略,并在从句中充当句子成分。It was never clear why the man hadnt reported the accident sooner.这个人为什么没有尽快报告这个事故,还不清楚。4主语从句要用陈述语序,即主谓语序。 (1)用it作形式主语的常用句型有:It系动词形容词(necessary/right/likely/unlikely/wrong/important/certain等)that从句 Itbe名词(短语)(a pity/a shame/no wonder等)that从句Itbe过去分词(said/
4、told/reported/decided等)that从句It特殊动词(seems,appears,happens,matters)that从句It is a pity that I missed the party held last night.很遗憾我错过了昨晚举行的聚会。It is reported that the accident was caused by carelessness.据报道,该事故源于(司机的)粗心(驾驶)。(2)在It is necessary/important/suggested/advised/orderedthat从句结构中,从句用“(should)动词
5、原形”。典例 (2015·广东高考语法填空)Now it occurred to him _ his farm had much potential and that the death of the cow was a bit of luck.单句语法填空1(2016·北京高考语法填空)Your support is important to our work._ you can do helps.2(2017·山东师大附中一模)His favorite food is fried snacks and soft drinks. It is no surpris
6、e_losing weight is just his dream.3(陕西高考)It remains to be seen_the newly formed committees policy can be put into practice.1that连接宾语从句时通常可以省略(但多个并列的宾语从句中只能省略第一个that),没有具体的意思,不充当句子成分,只是起连接作用。what引导时,在从句中充当成分,且有意义。(全国卷)Im writing to tell you that my uncle Li Ming is going to your city for a conference
7、.我写信是想告诉你我叔叔李明要去你的城市开会。2在whether/if连接的宾语从句中,whether/if意为“是否”,但在whetheror not结构中,或者whether引导的宾语从句作介词的宾语时,以及whetherto do结构中和whether引导的从句作少数动词(如leave,put,discuss,doubt,know等)的宾语时,只能用whether,不能用if来替换。Weve offered her the job,but I dont know whether shell accept it.我们已经为她提供了这份工作,但我不知道她是否会接受。I dont know w
8、hether to leave or not.我不知道是否要离开。3连接代词、连接副词引导宾语从句时不能省略,并在从句中充当句子成分。Our teachers always tell us to believe in what we do and who we are if we want to succeed.老师总是告诉我们,如果想要成功,就要相信我们所做的事情以及我们是谁。4有些动词或动词短语,如like,hate,appreciate,depend on,see to等,一般不直接跟从句,需要借助it。You may depend on it that she will go with
9、 you.你可以相信她会与你一起去。5当主句的主语是第一人称时,在think,believe,suppose,expect等动词后的宾语从句若是否定的,就运用否定转移,将否定词转移到主句谓语动词上。I dont believe she will attend the meeting.我认为她不会来参加该会议。6it作形式宾语,真正的宾语后置,常用此种结构的及物动词有find,make,think,feel,consider等。I find it important that we should keep calm in danger.我发现我们在危险中保持镇静是很重要的。7不论主句为何种句型,
10、宾语从句都用陈述语序。典例 (2016·全国卷甲短文改错)My classmates and I are talking about how to do during the holiday.howwhat解析: 句意:我和我的同学正在谈论假期做什么。根据句意可知,about后的宾语从句表达的意思为“做什么”,而不是“怎么做”,故用what。单句语法填空1(2017·贵州贵阳联考)To our astonishment, we saw a light and some people in a cabin. Jim was too frightened to go on bu
11、t I felt curious, wondering _was happening.2(2017·石家庄一模)Finally, keep in mind_there are many things that cant be learnt immediately, and never be frustrated when you fail in one or two exams.3(2017·福建安溪模拟)Success partially depends on _you have the patience to do simple things perfectly.1th
12、at连接表语从句时从句为一个句意完整的陈述句,that不能省略,没有具体的意思,不充当句子成分,只是起连接作用。(全国卷)The end result is that we feel like we cant focus or that were focused on the wrong things.最后的结果是我们感觉我们没能集中注意力或我们关注的是错误的事情。2whether连接表语从句时从句来源于一般疑问句,为一个句意完整、语气不确定的陈述句。whether不能省略,意为“是否”,不能用if替换。His question is whether they can be friends.他
13、的问题是他们能否成为朋友。3连接代词、连接副词引导表语从句时连接词不能省略,并在从句中充当句子成分。Id like to start my own businessthats what Id do if I had the money.如果我有钱,我会自己做买卖,那就是我想做的事情。4表语从句要用陈述语序,即主谓语序。常见的表语从句句型:(1)It looks/seems as if好像;仿佛(2)This is because这是因为(强调原因)(3)The reason whyis that的原因是(4)That is why那就是的原因(强调结果)(5)The question/prob
14、lem is whether/when/where问题是(6)His dream/suggestion/aim/purpose is that他的梦想/建议/目标/目的是(7)what从句bethat从句What surprised us most was that he came late again.最让我们惊讶的是他又迟到了。 典例 (2016·北京高考单项填空)The most pleasant thing of the rainy season is_one can be entirely free from dust.单句语法填空1(2015·陕西高考短文改错)
15、My only mistake was _ I dropped some on the floor when I was packing them up.2(四川高考)Grandma pointed to the hospital and said,“Thats _I was born.”3(2017·河南中原名校联考)Earthquakes worry people a lot. The reason is _we often do not know when they are coming.People can not prepare for it.在名词性从句中,同位语从句是比
16、较难理解的一种从句,虽然在近几年全国卷中没有直接考查过,但需要注意掌握其以下可能考查的方向。1that连接同位语从句时从句为一个句意完整的陈述句,that不能省略,没有具体的意思,不充当句子成分,只起连接作用。另外,注意定语从句中的引导词that也要在从句中作成分(主语、宾语)。The news that I passed the exam is true.我通过了考试这一消息是真的。2连接代词、连接副词引导同位语从句时连接词不能省略,并在从句中充当句子成分。I have no idea where the journalist could have got his information f
17、rom.来源:学+科+网Z+X+X+K我不知道那个记者从哪里得到的消息。 典例 (2016·天津高考单项填空)The manager put forward a suggestion_ we should have an assistant. There is too much work to do.单句语法填空1There is solid evidence _ watching 3D movies can have some side effects on the viewers.2(2017·河北石家庄质检)Finally I want to express my h
18、ope _ all the younger fellows can make full use of time.【总结】口诀实 例附注名词从句有四种,主、宾、表、同在其中;主、从连接很重要,先定主“谓”是首要;What I am longing for is what you have owned.My doubt is what will happen to the earth if it goes on like that.I have no doubt that I can make progress as long as I work hard.You cant imagine how
19、 I felt travelling in Tibet.两动连出常老一,主从出现是老二。主、宾、表全选副词,主、宾、表缺选代词;What it was to become was uncertain until many years later.It remains a mystery where the MH370 has gone.that从句表事实,介词后面加it;that只连无意份,连接需要常不省;what既连又意份,泛指事物是本分;That he has so good a car lies in it that he has so much money.That we can su
20、cceed in our program is obvious now.We have no idea what has happened to the MH370.What we are to become should be discussed among us.Our home town is not what it used to be 10 years ago any longer.which范围有限定,what 范围常不定;I dont know which job I should take, a teacher or a banker.I dont know what job
21、I should take when I grow up.whether选择表“是否”,主、宾、表、同都可有;if主、宾限定有,表、同从句不可有;Whether farmers can get good harvests largely depends on weather.= It largely depends on weather whether / if farmers can get good harvests. / whether for farmers to get good harvests.His concerns is whether he can turn to you
22、for help in trouble.There is some doubt whether it is fine or not tomorrow.Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.I dont know whether I should pay a visit to him.= I dont know whether to pay a visit to him.If表“是否”不能放开头;
23、介词后面不能有;if.or not /if to do 没结构;because从句表原因,why从句表结果;He is absent from school today. Thats because he is ill.He is ill. Thats why he is absent from school today.-ever形式更广泛,不能改为no matter-;Whoever will attend Toms party can get a gift.Who will come to our help is still uncertain.You must come wheneve
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