高一英语备课组预习学案(5)预习目标:Learn the usage of the new words and phrases in the reading.预习自测:一、分析下列宾语从句中的连词1. I don’t doubt (that) you will succeed.2. I don’t know whether/if he will come tonight.3. I doubt if /whether you will keep your promise.解析:3 个句子中的连词 that, whether, if (是否)在名词性从句中只起连接作用,在句中不担任成分,被称为连接词。注意:A. that 本身无意义,在宾语从句中可以省略,但在别的三种名词性从句中不可以省略 。B. whether 和 if 有是否的意义,在宾语从句中二者通常可以互换。但 whether 可以用于所有的四种名词性从句,而 if 仅可以用于宾语从句。二、名词性从句的语序(1) 名词性从句构成有两种a. That + 陈述句 That light travels in straight lines is known to all.b. 疑问词+句子的剩余成分This is what we are looking for.(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. True or False: How was he successful is still a puzzle. ( )How he was successful is still a puzzle. ( ) Could you tell me where he lives? ( )Could you tell me where does he live? ( )三、名词性从句连接词的选用(1) that 和 what 的选用that 和 what 都可引导所有的名词性从句。但是,what 除起连接作用外,还在名词性从句中充当成分,可作从句的主语、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。1. ______ he wants is a book.2. ______ he wants to go there is obvious.3. The result is ______ we won the game.4. This is _____ we want to know.5. Is _____ he told us true?6. We should pay attention to ______ the teacher is saying.7. I have no doubt _____ he will come.8. I have no idea ____ he did that afternoon.(2)不能使用 if 的情况: a. 主语从句 b. 表语从句 c. 同位语从句 d. 介词后的宾语从句e. whether to do 做动词宾语不能用 if to do. f. 与 or not 连在一起引导宾语从句时不用 if.1. I asked her __________ she had a bike.2. ________ we wi...