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1、名词性从句思维导图易考易错点总结名词性从句包括主语从句、宾语从句、同位语从句和表语从句。考查的要点主要是连接代词和副词的正确使用、主语和谓语的语序、双重连接词以及特殊句型的使用等。具体包括：1 .考查名词性从句的连接词。如：有词义的连接代词包括 who, whose, whom,what, which ;连接副词有 when, where, why, how;从属连词有 that, whether, if, as if ； that无词义，在从句中不作成分，有时可省略。2 .考查名词性从句的语序和时态。:同位语是对前面的名3 .考查it作形式主语、形式宾语的情况。如：词或代词做进一步的(1)I
2、t+be+形容词(necessary, important, obvious等)+ thSJ解释，通常由名词、数(2)It+be+过去分词 + that 从句；(3)It+ be+ 名词(a surprise, a fact, a shame, an honour等)+ that 丈(4)It+ 不及物动词(appear, happen 等)+ that 从句。4 .考查名词性从句中的虚拟语气。如：(1)It is/was + essential/important/natural + that ；(2)It is/was suggested/demanded/wished/desired +
3、 that 等。5 .考查what引导名词性从句时的语义功能和语法功能。如： what=the thingthat/anything that ; what = the place that ; what = the time that; what =the person that 等。6 .考查whoever, whatever, whichever引导名词性从句时的语义功能和语法功七大常考考点： what which;形式主语、宾语的用法；3.语序问题；4.同位语从句和定从的区别； whatever whether; 7.虚拟语气问题；五、相关习题集中练习一.相关概念1 .名词：表示人或事
4、物的名称的词2 .名词的句法作用：名词在句中主要作 ,，表语和。3 .名词性从句：在英语的句子结构中，本来该由名词充当的主语、宾语、表语和同位语，由一个 来充当，这个句子就叫：名词性从旬。二、名词性从句的种类1. Wherwe w川 start is not clear.从旬2. Mrs. Black won t believe that her son has become a thief. 从3. My idea is that we should do it right now. 从旬4. I had no idea that you were her friend. 从句三、常见引导词
5、：1)连接词：that, whether, if (不充当从句的任何成分)。从属连词that只引导，本身无意义，仅起 作用。(引导宾语从句时可省，但是如果是并列 的多个宾语从句，只能省第一个)很显然他喜欢你That he likes you is very obvious.2) 连接代词 who, whom, what, which, whoever, whatever, whichever 等，均有各自的意义，在从句中作主语、宾语、定语等。如 ：That s why she wanted to leave.这就是她想离开的原因。When we arrive doesnt matter.什么时
6、候到没有关系。Tell me which one you like best.告诉我你最喜欢哪一个。3)连接副词where, when, how, why 等，有意义，在句中作状语The question is how we should carry out the plan.问题是怎样执行这个计Whenshe ll be back depends much on the weather.她什么时候回来在很大而E上要看天气。Why he did it will remain a puzzle forever.他为什么这样做将永远是一个4)从属连词if, whether(是否)(if只能引导动词
7、、形容词之后的宾语从句)1.2.3.he said has nothing to do with you.we ll start tomorrow he did such a thingwe can protect cultural relics四.四大从句讲解will be told soon.satisfied me.needs to be discussed.1 .主语从句作句子 语的从句叫主语从句。主语从句通常由从属连词 , whether, if 和连接代词 what, who, which , whatever, whoever 以及连接副词 how, when, where, w
8、hy等词引导。that在句中无词义，只起 作用；连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当从句的成分。他要跟我们说什我们都知道他是如何成为如： he wants to tell us is not clear.么，还不清楚。It is known to us he became a writer.一名作家的。the English evening will be held has not yet been announced.英语晚会将在哪里举行,还没有宣布。有时为避免句子头重脚轻，常用形式主语it代替主语从句作形式主语放于句首，而把主语从句置于句末。主语从句后的
9、谓语动词一般用数形式。常用句型如(1) It + be + 名词 + that 从旬(a pity,a shame,a fact,a wonder,an honor, no wonder,a surprise )如：你考试失败了真是遗憾(2) It + be + 形容词 + that 从旬(clear , important , necessary , probable , possible )It is certain that she will do well in her exam.(3) It + be + 动词的过去分词 + that 从句(said, reported, thoug
10、ht, hoped, believed, known) coral reefs- 珊瑚礁如：据报道，珊瑚礁正遭受破坏。 (4) It + 不及物动词 + that 从旬(seem, happen, appear )如：碰巧那天我出去了。 另注意在主语从句中用来表示惊奇、不相信、惋惜、理应如此等语气时，谓语动词要用虚拟语气“(should) +do ”，常用的句型有：It is necessary (important, natural, strange, etc.) thatIt is a pity (a shame, no wonder, etc.) thatIt is suggested
11、(requested, proposed, desired, etc.) that练习题：(1)he will come is certain.(2)she is coming or not doesn t matter too much.(3)surprised me most was to see some of the village people seatedon the benches at the end of the room.(4)team will win the match is a matter of public concern.(5)she has gone is n
12、ot known yet.(5) s known to all, Taiwan is only part of China.2. It is known to all Taiwan is only part of China.3. It was on Sunday I met him.is necessary that a college student at least a foreign language.A. masters B. should master C. mastered D. will master2. His suggestion was that we another m
13、eeting to discuss thequestion.A hold B would hold C held D holding单句改错the earth turns around the sun are known to all.the meeting will be held haven t been known yet.didn t know that you will come.said that he is writing a story.you tell me when will he arrive?翻译下面句子1)很显然你进步巨大。2)很遗憾你错过了音乐会。 3)你打电话时我
14、碰巧不在家.2.宾语从句名词句用作 的从句叫宾语从句。引导宾语从句的关联词与引导主语从句表语从句的关联词大致一样，在句中可以作谓语动词或介词的宾语。1 .由连接词that引导的宾语从句由连接词that引导宾语从句时，that在句中不担任任何 ,在口语或非正式 的文体中常被，但如从句是并列句时，第一个分句前的that不可省。例如： He has told me he will go to Shanghai tomorrow and that he will be back in two days.观察并思考：宾语从句中的连接词that在什么情况下不能省略？Everyone knew what h
15、appened and that she was worried.The reason lies in that she works harder than the others do.I think it necessary that you should read English aloud.总结：注意：表示“坚持、命令、建议或要求”等词出现时，不管是在哪一种从句中， 常用虚拟语气，从句中的谓语动词形式为(should ) +动词原形，其中should可省略。例如：(一坚持insist )(二命令command,order)(四建议advise, recommend, suggest, propose) (四要求 demand, desire, request, require ) 以及他们的同根名词。I insist that she (should) do her work alone.我坚持要她自己工The commander ordered that troops (should) set off at once.司令员命令部队马上出1)My suggestion is that we(go)
