3.4 同位語從句 教案

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1、 人教版 必修三 Unit 5 Canada-“The True North”——同位語從句 適用學科 英語 適用年級 高一 適用區(qū)域 人教版教材 課時時長（分鐘） 1課時/60分鐘 知識點 同位語從句 教學目標 知識：連接詞的選擇、語序和虛擬語氣的應(yīng)用 方法：精講精練，結(jié)合高考 能力：把同位語從句靈活運用于寫作 教學重點 連接詞的選擇、語序和虛擬語氣的應(yīng)用 教學難點 把同位語從句靈活運用于寫作 教學過程 一、 課堂導入 概念引入： 1 I have a dream that one day, all roads will be made

2、plain. 我夢想著總有一天所有的道路都是平坦的。 2 We hold this truth to be self-evident that all men are created equal. 我們認為這些真理都是不言自明的，所有的人生來都是平等的 3 Some people hold the opinion that the Internet is a curse. 有些人持這種觀點，互聯(lián)網(wǎng)是一種詛咒。 4 Museums play a role of education for the simple reason that they provide people wi

3、th a good opportunity to have a deeper understanding of their own country's tradition and cultures. 博物館發(fā)揮教育的作用，原因很簡單，他們?yōu)槿藗兲峁┮粋€很好的機會，對自己國家的傳統(tǒng)和文化有更深的了解。 二、復習預(yù)習 通過下列兩個例句復習什么是同位語 I don’t know about the man, Mr. White. I don’t know about the fact that he is a teacher.

4、 三、知識講解 知識點1：同位語從句的定義 在句中充當同位語成分，一般跟在一些抽象名詞后，如（evidence 證據(jù)/ promise承諾、允諾/notice通知/news/idea/fact/word消息/truth/belief/possibility/problem/hope/desire/thought/suggestion…）,對前面的名詞起補充說明的作用。 Word came that our football team won the match. The idea that computers can recognize human voices surpris

5、es many people. I have no idea whether the meeting will be held. 劃線部分是同位語從句。 知識點2：同位語從句的引導詞 連詞：that, whether 連接代詞：who, whom, what, whose 連接副詞：when ,where, how, why 等。 注：if ,which 不能引導同位語從句　　 He must answer the question whether he agrees to it or not. 他必須回答他是否同意這樣一個問題。 知識點3：同位語從句的語序

6、同位語從句的語序是陳述句語序即：連接代詞/副詞+主語+謂語+其他成分。例句如下： My question how I can get in touch with him has not been answered. 知識點4：間隔同位語從句 同位語從句通常是跟在它解釋或說明的名詞后，但有些情況下，由于句子結(jié)構(gòu)的原因，同位語從句不緊跟在名詞后，而被其他的詞隔開。 A warm thought suddenly came to me that I might use the pocket money to buy some flowers for my mother

7、's birthday 簡析：由于that從句太長，為避免句子失去平衡，此處用了間隔同位語從句 知識點5： 虛擬語氣在同位語從句中的應(yīng)用 含有表示“請求、建議、命令、要求”等意義的詞的主語從句、賓語從句、表語從句和同位語從句中，常用虛擬語氣， 結(jié)構(gòu)為：（should）+ 動詞原形。這類詞有：一堅持insist，二命令order, command，四建議suggest, advise, recommend,propose,四要求 demand, request, require, desire, etc. It is suggested that the meeting

8、(should)be put off till next week. She insisted that we stay at her house instead of a hotel. Her suggestion was that there (should) be a map of the world in each office. The headmaster made the request that we (should) obey the traffic rules in a foreign country. 注意： ①suggest表示“暗示、表明”時， 后面從句不用

9、虛擬語氣。 Her pleased look suggests that she has won the game. ② 從句動作在insist之后發(fā)生→ 虛擬語氣 insist 從句動作在insist之前發(fā)生→ 陳述語氣 She insisted that she heard someone in the next room. I insisted that you (should) be there on time. She insisted the man stole her purse and be sent to the pol

10、ice station. 知識點6：幾點注意事項 1. 只用whether不用if的情況： （1）表語從句和同位語從句 （2）介詞后 (3)與or not連用 （4）與不定式連用 （5）主語從句句首 My question is whether he left It all depends on whether they will support them. I don’t care whether he comes or not. Idon’t know whether to go there. whether the meeting will

11、be held is still a problem. 2. 在以下情況中that不能省略 (1)當句中的動詞后接多于兩個由that引導的賓語從句時，第一個that可省，但后面的that不可省。 例句：He said (that) you were too young to understand the matter and that he was asked not to tell you. (2)當主句的謂語動詞與that賓語從句之間有插入語時，that一般不可省。 例句：Just then I noticed, for the first time, that our mast

12、er was wearing his fine green coat and his black silk cap. (3)當that從句是雙賓語中的直接賓語時，that不可省。 例句：I can’t tell him that his mother died. (4)當it作形式賓語時，that不可省。 例句：I find it necessary that we should do the homework on time. （5）表語從句和同位語從句中that一般不省略。 The trouble is that I have lost his address. The id

13、ea that you can do this work well without thinking is quite wrong. 四、例題精析 【例題1】 -- Is it true that Mike refused an offer from Yale University yesterday? -- Yeah, but I have no idea ____ he did it; that's one of his favorite universities. A. when B, why C. that

14、 D. how 【答案】B 【解析】why he did it 是idea的同位語從句，考查連接副詞。 【例題2】 The only way to succeed at the highest level is to have total belief _____ you are better than anyone else on the sports field. A how B that C which D whether 【答案】B 【解析】that you are bette

15、r than anyone else on the sports field是total belief的同位語從句，考查連詞。 【例題3】 Evidence has been found through years of study______ children’s early sleeping problems are likely to continue when they grow up. A. why? B. how?? C. whether D. that 【答案】D 【解析】that children’s early sleeping problems are likely to continue when they grow up是Evidence的同位語從句，屬于間隔同位語從句。 課程小結(jié) 本節(jié)課主要學習了同位語從句，包括連接詞的選擇、語序、和虛擬在此種從句中的應(yīng)用。