牛津上海版八年级上册带wh词的不定式与think的否定形式讲解及练习

带wh词的不定式与think的否定形式 1. 带wh词的不定式 1） 疑问代词who, what, which等和疑问副词when, where, how等后面跟不定式，构成不定式短语，这种结构在句中可作主语，宾语，表语，宾语补足语等句子成分。 Where to go is still a question.(作主语） I know where to find the boy.（作动词宾语） We must first solve the problem of whom to serve.（作介词宾语） The question is how to learn English well.（作表语） I asked her how to learn English.（作动词宾语） 2) 特殊疑问句+动词不定式，结构经常用在某些动词后作宾语，这样的动词有：tell, show, know, learn, teach, find out, forget, wonder, remember等。 I will show you how to do it. You’d better find out where to put it. He wondered when to date that girl. 3) 特殊疑问词+动词不定式，这种结构可以构成独立问句。 What to do? How to get rid of the trouble? Do you know where to find a good restaurant? I am wondering when to pick you up. 2. think的否定形式用法 1） 将think, believe, suppose, expert, imagine等动词后面宾语从句的否定词转移到主句中，即主句的位于动词用否定式，而从句的谓语动词用肯定式，但是翻译时的否定要放在从句的谓语动词上。 I don’t think I know you. I don’t believe he will come. 注意：若谓语动词为hope，宾语从句中的否定词不能转移。 I hope you were not ill. 2) 将seem, appear等后的从句的否定转移到前面。 It doesn’t seem that the