江苏省徐州市邳州市第四中学高中英语 Unit1 Grammar and usage教案 牛津译林版必修3.doc

unit 1 the world of our senses grammar and usageintroduction to noun clauses & noun clauses beginning with that or if/whetherteaching aims:l to learn what the noun clause is.l to learn how to tell noun clauses from other clauses. l to consolidate the usage of noun clauses by doing exercises.teaching procedure:step one: leading-ingive the students some examples and let them judge what kind of noun clauses they are. and see how much they know about noun clauses.step two: noun clauses explain the noun clause and the functions of it.在复合句中起名词作用的从句叫名词从句(noun clauses）。名词从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。noun clauses are used as noun, acting as subject, object, predicative and appositive in the sentence.1. we can use a noun clause as the subject of a sentence. that i can pay back the help people give me makes me happy. why they have not left yet is not clear so far. we can use it as a preparatory subject. it was good news that everyone got back safely.2. we can use a noun clause as the object of a verb/ preposition. i wonder if/whether thats a good idea. im interested in who that tall man is. we can use it as a preparatory subject. we all thought it good news that the fog had finally gone. the conductor has made it clear that no buses will be running.3. we can use a noun clause as the predicative of be. the truth is that its too foggy for the bus to run that far. my question is whether polly can find her way home.4. we can use a noun clause in apposition to a noun. she had a feeling that she was being watched. the news that he couldnt come made us upset.5. we use that, if/whether or a question word to begin a noun clause. no one knew if/whether he lost his sight because of an accident. she couldnt imagine how the blind man had found her.do an exercise to see if the students understand.step three: more about usage of noun clauses 1. the order of noun clause一、名词性从句的语序(1)名词性从句构成有两种a. that + 陈述句e.g. that he is still alive is a wonder. 他还活着，真是奇迹。b. 疑问词+句子的剩余成分e.g. this is what we are looking for. 这就是我们所寻找的。(2) 疑问词引导的名词性从句要求使用陈述句语序，不能用一般疑问句语序。2. the conjunction (1) that 和what 的选用that 和 what 都可引导所有的名词从句。但是，what除起连接作用外，还在名词性从句中充当成分，可做从句的主语、宾语、或表语。而that在名词性从句中不充当任何成分，只起连接作用。3. the noun clauses beginning with that or if/whether 1) 引导动词的宾语从句时；2) 在be + adj.之后时；3) 在主语从句中，it 用作形式主语时。 只能用whether的情况：1) 在非正式文体中，if . or not 也是正确的。但与or not直接连用时，只能用whether(即whether or not)，而不能用if (即if or not)；2) 引导表语从句和同位语从句时；3) 引导主语从句，且位于句首时；4) 引导介词后的宾语从句时；5) 后面直接跟动词不定式时；6) if引起歧义时。step four: practice ask students to do