名词性从句(一).pptVIP

名词性从句（一）--宾从，表从及主从[tch] 英语句子的种类 简单句 (simple sentence) 简单句的五种基本句型 名词性从句在功能上相当于名词, 在复合句 中能担任主语、宾语、表语、同位语等。 Practice time：指出下列各名词性从句的种类。 1. At lunchtime, the radio weatherman reported that the mist would become a thick fog in the afternoon. 2. She wondered if the buses would still be running. 3. The truth is that the fog is too thick for the bus to run that far. 4. She sensed that she was being watched by a tall man in a dark coat. 5. When we will start is not clear. 6. I had no idea that you were her friend. Object Clauses 宾语从句 宾语从句的注意事项 宾语从句中的连接词that在以下三种情况下 不能省略： （1）当that 从句与另一名词性从句并列作宾语时，第二个that不能省； （2）当that从句作介词宾语时，that不可省掉。 （3）用it做形式宾语的宾语从句。 Everyone knew what happened and that she was worried. The reason lies in that she works harder than the others do. I think it necessary that you should read English aloud. Practice time if / whether1. I asked her ____________ she had a bike.2. We’re worried about _________ he is safe.3. I don’t know _________ he is well or not.4. I don’t know ________ or not he is well.5. I don’t know __________ I should go. Predicative Clauses 表语从句 表语从句是在复合句中作表语的名词性从句, 放在系动词之后,一般结构是“主语+系动词+ 表语从句”。 可以接表语从句的系动词有 1.be动词 2. look等感官动词 3.remain, keep,stay等静态系动词 4. become,go,get等“变得”类动态类系动词 5. seem，appear,prove 5. 疑问词在从句中担任一定的句子成分，具有一定的意义，所以不可以省略。 Subject Clauses 主语从句 三. 疑问词:在从句中担任一定的句子成分，具有一定的意义，所以不可以省略。 注意二 注意：主语从句中 ，谓语动词一般用单数 What引导的主语从句，可根据表语决定 What he needs _is_ that book. What he needs _are_ some books. what引导名词性从句时在从句中充当句子成分,如主语,宾语,表语,而that则不然,它在句子中只起连接作用。例如： (1) What you said yesterday is right. (2) That she is still alive is a puzzle. 连接词：that / whether /as if /as though （ if 不引导表语从句) who / whom / whose / which / what when / where / why / how / because The question is whether we can rely on him. That’s because we were in need of money at that time . He looked as if he was going to cry . That’s why I was late . 注 意： 在表语从句中，表“是否” 时，只能用 “whether”不能用“if”。 一般情况下，“tha