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1、Grammar 语法,Unit 4 Nominal clauses名词性从句,一、名次性从句种类,名词性从句包括: 主语从句、宾语从句、表语从句、同位语从句,二、名词性从句结构,1. 主语从句 主句的主语是个简单句且由that, if/whether and 其他特殊疑问词引导，这样的句子是主语从句。,Examples:,(1) That Professor Brown is attending the conference is an honour. (formal) (2) It is an honour that Professor Brown is attending the conf
2、erence. (less formal) (3) (It is the grammatical subject, That Professor Brown is attending the conference is the real subject) (4) If/Whether Professor Brown will attend the conference depends on the sales of his products.,(5) When he will arrive is uncertain because of the traffic. (6) Where he wi
3、ll stay is not decided yet. (7) How the system is integrated needs to take careful observation. (8) What is more revolutionary is that the Web can lead to greater political involvement in decision making for ordinary people. (9) What is uncertain is how it will affect other areas of everyday life.,2
4、. 宾语从句 主句的宾语是一个简单句且由that, if/whether and 其他特殊疑问词引导，这样的句子是宾语从句（that引导词可以省略）。,Examples:,(1) You must ensure that data is stored correctly. (2) I think (that) the Ethernet adapter in your computer doesnt work. (3) I hope (that) you havent been waiting too long. (4) You should firstheck whether your ope
5、rating system has recognized your WLAN adapter.,(5) Web technology has also been extended to handle which facilities people collaborating over a network over an intranet. (6) They show great interest in whats going on in the computer department. (7) I want to ask how to enhance our corporate network
6、 security. (8) I dont know which socket to plug the USB disk into.,3. 表语从句 系动词后有简单句且由that, if/whether and 其他特殊疑问词引导，这样的句子是表语从句（that引导词可以省略）。,Examples:,(1) We are sorry that this unfortunate incident occurred. (2) What is uncertain is how it will affect other areas of everyday life.,4. 同位语从句 that 引导的
7、从句接在抽象名词（或该名词的衍生词）后，用来说明该名词的内容。该结构是同位语从句。抽象名词有：belief (believe), comment (comment), confidence (confident), discovery (discover), doubt (doubt), evidence (evident), fact, fear (fear), hope (hope), indication (indicate), idea, information (inform), knowledge (know), news, opinion, order (order), prob
8、lem, promise (promise), proof (prove), proposal (propose), report (report), rumor (rumor), story (tell), suggestion (suggest), thought (think), truth (true), wish (wish)等。,Examples:,(1) We must face the fact that the Earth is steadily warming. (2) Columbus had a firm belief that the world is round.
9、(3) Cleopatra received the news that Caesar had been killed.,Exercise,Fill in the following gaps with appropriate linking words: 1. It is known _ sitting in front of computers all day is really bad to our health. 2. _ VIP stands for is Very Important Person. 3. He asked _ they will come to repair ou
10、r computers. 4. _ one is suitable for us is still a question.,5. We agree to the opinion _ we must reduce CO2 release. 6. Please tell me _ to enable the connection. 7. _ he will start working is uncertain because of the preparation has been made. 8. _ he will stay is not decided, it depends on how far away his customer lives.,Thank you!,
