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1、名词性从句学案(优)名词性从句复习学案班级_ 组别_ 姓名_【自主学习，明确目标】1. 教学目标：1）了解名词性从句的定义、种类，及其位置。2）掌握名词性从句的语序，引导词的选择及其技巧。2教学重点: 熟记that, whether, if, what, which等引导词的特殊用法。 3. 易混淆点：1）whether, if的区别； 2）that, what的区别；3) what, which 的区别 4) 主语从句中的主谓一致问题。【自主学习，问题生成】一、感受名词性从句: 猜猜下列谚语的汉语意思，并判断各句中的名词性从句分别是什么从句。1. Whats lost is lost. (句
2、意：_ _从句)KYYZKmt。3gB5y0e。2. It is known to all that the earth turns around the sun. (句意： _从句)hf7UOP6。BN65zlY。3. Dont put off till tomorrow what should be done today. (句意： _从句)9XzziD9。gRe3Ii5。4. Children are what the mothers are. (句意： _从句)PSFRXro。w8Jhc7w。5. We hold this truth that all men are created
3、equal. (句意： _从句)rwtBmld。mUlCcMA。二、基础知识回顾：1. 名词性从句的定义、句法功能和分类由连接词引导，在复合句中起_词作用的从句叫名词性从句(Noun Clauses)。名词性从句在复合句中的功能相当于名词词组, 它在复合句中能担任_语、 _语、 _语和 _语等，因此根据它在句中不同的句法功能，名词性从句又可分别分为_从句、_从句、_从句，和_从句。PxiM4mD。4kgLKEo。2. 引导名词性从句的连接词，及其在句中的作用。名词性从句的引导词在从句中的作用连词that(无意义), whether/ if (是否)不充当句子成分，只起连接作用连接代词what,
4、 who, whom(宾格), which, whose, whatever, whoever, whomever, whichever 主语，宾语，表语，whose只作定语连接副词when, where, why, how, becausewhenever, wherever, however状语3. 解题方法：1). 找出主句的谓语，确定是什么从句。2). 分析从句的句子成分，缺什么，补什么；不缺句子成分，不缺意思，就选_; 不缺句子成分，只缺“是否”， 就选_或if；缺主语/宾语/表语，就补连接_词，选what, who, whom, which等；缺状语，就补连接_词，选when, w
5、here, why, how等。xJqe17H。xeaRA83。3). 确定词性后，再根据句子的意思选择适当的引导词。我的问题：（你在预习中有哪些未能解决的问题和有疑问的地方？写在下面做个备忘吧！等待课堂上与老师和同学他就讨论解决。）bZmXtWs。adL2nq0。【合作探究，解决问题】探究一：观察句子，找出主句谓语，划出从句，判断从句类型。1. Whoever comes is welcome. (_从句)2. It isreportedthatthreepeoplewerekilledinthetrafficaccident yesterday. (_从句)IBODoDl。poEbWUr。
6、3. The question is whether the film is worth seeing. (_从句)6J9m7ub。2WJrJvt。4. I wondered why you were so angry. (_从句)7p7XC88。yib8gHU。5. It all depends on how we solve the problem. (_从句)eqXT85b。JBN1gKx。6. I think it necessary that we should do our homework. (_从句)GrGar3M。BfjSJt2。7. I have no idea which
7、 one I should choose. (_从句)VKjTIMK。KZ17rXA。小结一：1._从句在复合句中作主语。_从句一般位于主句_词或介词之后(如例1)，为避免主语冗长，句子头重脚轻，经常用_作形式主语，而把主语从句放在句末(如例2)。 w23L37s。nVC8nSr。2. 在复合句中作宾语的从句叫作_从句。它常位于_词或介词之后(如例4, 5)。当宾语后面还有宾补时，常用_作形式宾语，而把作真正宾语的宾语从句放到_(如例7) ycCYN8y。YKnQnDk。3. 在复合句中用作表语的从句叫作_从句。它一般位于_ 动词之后。（如例3）。NnZhoD6。FjyzTrL。4.同位语从句
8、一般位于fact, news, promise, truth, belief, thought, idea, information, doubt, hope, opinion, plan, suggestion等抽象_词之后，进一步解释和说明前面名词的具体内容或含义。(如例8)aSLWF4p。Vavz0Kd。探究二：名词性从句的语序问题：选择最佳答案。1. No one can be sure _ in a million years.A. what will man look like B. what man will look like5nz2BL6。E0veN2Y。C. man wil
9、l look like what D. what look will man like8mVChd3。bzOwHfH。2. You cant imagine _ when they received these nice Christmas presents.calGEAa。dUShuiM。A. how they were excited B. how excited they were2hWPTeK。IRNXAxz。C. how excited were they D. they were how excitedSNbLaFC。34rLHXc。小结二：名词性从句在句中要用_语序, (即连接词
10、+主语+谓语)，从句的引导词必须始终置于从句的句首。K6UZ9PK。TCrytb4。探究三：主谓一致问题：（用括号中的词的适当形式填空。）1. When the meeting will begin _ (have) not been decided yet.UU7ORTF。Ig69wg0。2. When and where the meeting will begin _ (have) not been decided yet.G3k8m4V。FJLPTe5。3. When they will start and where they will go_ (be) still unknown.
11、QT4xUYx。gw03TM8。4. What we need _(be) more time. 5. What we need _(be) more dictionaries. 小结三：1. 单个的主语从句作主语时，主句的谓语动词一般用_数形式。（如例1）2. 由两个或多个连接词引导一个主语从句，谓语动词用_数形式。（如例2）3. 如果是两个或两个以上的主语从句作主语，谓语动词则用_数形式。（如例3）4. 由what引导从句作主语时，主句的谓语动词的数一般与后面的_语的数保持一致。(如例4、5)3ILJeV9。LHAs5r5。探究四：连接词的选用：(一)whether和if的选用 (用A.
12、whether/if B. whether C. if 填空)1. I asked her _ she had a bike. 2. It is doubtful _ he will come here. YwxExow。rwJGCXm。3. _ he will come is not clear. 4. The question is _ hell come. KazTebL。N7hRfdV。5. I havent decided _ to go there. 6. It all depends on _ they will support us.7. I dont know _ or no
13、t he is well. 8. I have no idea _ the meeting will be put off. zUsKoSA。suKnUY9。小结：1.用whether，if均可的情况： (1) 引导_词后的宾语从句(如例1)； (2)当it作形式主语，主语从句在_时(如例2)yrv37yb。DQ6Pnpo。2.下列情况下只能用whether, 不能用if引导名词性从句： (1) 引导 从句并在句首时(如例3)、引导_从句(如例4)、同位语从句(如例8)；tLff7ID。G9gf4Jt。(2)引导_词后的宾语从句(如例6)；(3)从句后紧跟着_时(如例7); (4) 后接不定式时(如例5)。(二) that 和what 的选用 （选择A. that B. what填空）ZmZtB7e。qnYNxsS。1. _ he wants is encouragement. 2. I have no doubt _ you will succeed.TThjtW0。x8F1WZd。3. This is _ we want to know.
