初中英语名词性句详解.ppt

名词性从句 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. whether与if的辨用 表“是否”时，在下列情况下用whether。 a. 主语从句b. 表语从句c. 同位语从句e. 介词后的宾语从句f.后接动词不定式 (whether to do sth.) g .whether or not 连在一起引导宾语从句时不用if Practice time if / whether1. I asked her __________ she had a bike.3. We’re worried about ________ he is safe.4. I don’t know ___________ he is well or not.5. I don’t know ________ or not he is well.8. I don’t know _______ to go. 考点之一:考查名词性从句中that与what的区别 　　考例: _______ we cant get seems better than _______ we have. 　　A. What; what B. What; that 　　C. That; that D. That; what 　　分析: (注:划线的选项为最佳答案,下同.)在名词性从句中that与what的区别是:that在名词性从句中不作句子成分,只起连接作用;而what在名词性从句中不仅起连接作用,而且作句子成分.句子的意思是:我们不能得到的似乎比我们已经拥有的要好.此题考查了两个名词性从句:主语从句和宾语从句,what在这两个名词性从句中都作宾语. 考点之二:考查名词性从句中的it作形式主语或形式宾语 　　考例1: _______ is a fact that English is being accepted as an international language. 　　A. There B. This C. That D. It 　　分析:在这种名词性从句中为了保持句子的平衡,往往用先行词it作形式主语或形式宾语,而把真正的主语或宾语放到后面,尤其是that引导的主语从句往往用先行词it作形式主语.此句也可以改写为:That English is being accepted as an international language is a fact. 　　考例2: I hate _______ when people talk with their mouths full. 　　A. it B. that C. this D. them 　　分析:此题考查的是用先行词it作形式宾语,而把真正的宾语从句放到后面.其他几个词均不能作形式宾语. 典型错误及归纳 II. Choose the best answer 1.They expressed the hope ___they would come over to China. A. which B. that C. whom D. when 2.The fact___ he didn’t see Tom yesterday is true. A. that B. which C. when D. what 3.I have no idea ____he will come back. A. where B. when C. what D. that II. Choose the best answer 4.The news ___ surprised everybody yesterday now proves to be false. A. that B. when C. what D. how 5.One of the men held the view ___ the book said was right. A. what that B. that which C. that what D.