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第三课时 名词性从句,1.(2016北京高考)Your support is important to our work._ you can do helps. A.However B.Whoever C.Whatever D.Wherever 答案 C 句意:你的支持对我们很重要,无论你们做什么都会有帮助。从句动词do需要宾语,且引导主语从句,故用whatever。,感 悟 高 考,2.(2016北京高考)The most pleasant thing of the rainy season is _ one can be entirely free from dust. A.what B.that C.whether D.why 答案 B 句意:雨季最令人愉快的事情是人可以完全免于尘埃。分析句子结构可知is后的表语从句中不缺少成分,且句意完整,故选B。,3.(2016天津高考)The manager put forward a suggestion _ we should have an assistant.There is too much work to do. A.whether B.that C.which D.what 答案 B 分析句子结构可知,空处在此引导同位语从句,解释说明suggestion的具体内容,且从句句意和句子成分完整,故用that。,4.(2015安徽高考)A ship in harbor is safe,but thats not_ships are built for. A.what B.whom C.why D.when 答案 A 句意:船停在港口里是很安全的,但这并非建造船的目的。isnt后跟从句作表语,表语从句中的for后缺少宾语,用what引导,故选A。why和when是连接副词,不能作宾语;whom指人。,5.(2015重庆高考)We must find out _ Karl is coming,so we can book a room for him. A.when B.how C.where D.why 答案 A 句意:我们一定要搞清楚Karl什么时候来,以便我们给他订房间。由句意可知,要给Karl订房间,那么就要清楚他来这里的时间,故选when。,6.(2015北京高考)_ we understand things has a lot to do with what we feel. A.Where B.How C.Why D.When 答案 B 句意:我们怎样理解事物与我们所感觉到的东西有很大关系。 分析句子结构可知“_ we understand things”为主语从句,结合句意可知选B。,考点一 主语从句,考 点 清 单,规则 引导主语从句的连接词如下: who,that,which,what,when,where,how,whether,why,whoever,whichever,whatever等。 That you are coming to London is the best news I have heard this long time. 长久以来我听到的最好的消息就是你要来伦敦。 What struck me most in the movie was the fathers deep love for his son. 影片中最打动我的是父亲对他儿子深深的爱。,规则 主语从句一般放在句首,但有时也可用it作形式主语,而将主语从句移到句子的末尾。常见的句型: (1)Itbe形容词(necessary/likely/important/uncertain等)that从句。 It is uncertain what side effect the medicine will bring about,although about two thousand patients have taken it.尽管大约两千名患者已经服用了这种药,但是它会带来什么样的副作用还不清楚。,(2)Itbe名词(短语)(a pity/a shame/no wonder/no surprise等)that从句。 Its no surprise that our team has won the game. 我们队获胜一点都不令人吃惊。 (3)Itbe过去分词(said/reported/decided/believed等)that从句。 It is decided that the meeting has been put off till next Monday. 会议被推迟到下周一召开已经定下来了。,考点二 表语从句,规则 表语从句的引导词主要有: that(不可省略),whether(不能换成if),what,who,which,how,why,when,where,whoever,wherever,as if/though等。 The question is whether we can make good preparation in such a short time. 问题是我们是否可以在如此短的时间内做好准备。,规则 because引导的表语从句强调原因,而why引导的表语从句强调结果。 If Im a bit sleepy,its because I was up all night. 如果我有点困,是因为一夜没睡。 Thats why I object to the plan. 这就是我反对这个计划的原因。,考点三 宾语从句,规则 引导宾语从句的连接词:从属连词that,whether,if;连接代词what,who,whose,whatever,whichever,whoever等;连接副词when,where,why,how等;从句用陈述语序。 You can write about whatever topic you prefer. 你可以写你所喜欢的任何话题。,规则 形式宾语it:在动词find,feel,consider,make,believe,think等后面有宾语补足语的时候则需要用it作形式宾语而将that宾语从句后置。 I made it clear that I was determined to carry out the plan. 我很清楚,我已下定决心实施这项计划。 规则 有些动词不能直接跟宾语从句,需要借助形式宾语it。常见的这类动词有like,dislike,hate,love,enjoy,appreciate等。 He hates it when people play his iPhone 7. 他讨厌别人玩他的苹果7。,考点四 同位语从句,规则 同位语从句常放在fact,news,idea,truth,hope,problem,information,belief等词的后面,对前面的名词作进一步解释、说明。 The problem whether we should continue to do the experiment hasnt been solved. 我们是否应该继续做实验这一问题还没解决。,规则 同位语从句的引导词只起引导作用,不在句中作任何成分,一般不可省略。 The news that Sun Yang had won the game spread over the whole school. 孙杨赢得比赛的消息很快就传遍了整个学校。,考点五 whether/if(是否)引导的名词性从句,规则 whether和if在宾语从句中经常可以互换。但在引导主语从句、表语从句和同位语从句时一般用whether不用if。 规则 但与or或or not连用时只能用whether。 I dont know whether or not the report is true. 我不知道报道是否真的。 规则 但从句作介词宾语时只能用whether。 I worry about whether he can pass through the crisis of his illness.我担心他是否能熬过这次疾病的关键时刻。,1.位置判断法,解 题 策 略,根据名词性从句的句子特点及其所处的位置,判断出属于哪一种从句,从而确定连词的种类,也有助于对句子的理解。 (1)_ some people regard as a drawback is seen as a plus by many others. A.Whether B.What C.That D.How 答案 B 句意:一些人眼中的缺点是别人眼中的优点。从句中缺宾语,只能用what来引导,that引导主语从句不作成分。,(2)One reason for her preference for city life is _she can have easy access to places like shops and restaurants. A.that B.how C.what D.why 答案 A 系动词is之后是一表语从句,而从句的结构完整,不缺少任何成分,所以用that引导。,2.语序判断法,一般来说,名词性从句中(当然不只是名词性从句,其他从句也是如此),从句的语序要用陈述语序,这样也就很容易作答了。,When changing lanes, a driver should use his turning signal to let other drivers know_. A.he is entering which lane B.which lane he is entering C.is he entering which lane D.which lane is he entering 答案 B which引导的句子作know的宾语,句子用陈述语序。故B项为正确答案。,3.句子成分分析法,看从句缺不缺成分,不缺就用that, whether/if,缺成分就用wh-类连接词(包括how, because等)。 (1)We havent discussed yet _ we are going to place our new furniture. A.that B.which C.what D.where 答案 D 句意:我们还没有讨论把我们的新家具放在哪里。题干中空格画在动词discuss的后面,因此考查宾语从句,由句意知,宾语从句中缺少地点状语,因此选择D。,(2)As a new graduate, he doesnt know _ it takes to start a business here. A.how B.what C.when D.which 答案 B 句意:作为一名新毕业生,他不知道需要什么才能在这里创业。空格后的从句中takes是动词,其后缺少宾语,所以引导该宾语从句的连接词要用what。,
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