陈述句:He is a student. 他说他是个学生。 一般疑问句:Is he a student?
我问他是否是个学生。
特殊疑问句: Who is he?
我不知道他是谁?
“Who is he?”
I don’t know _____________ who he is. (陈述句语序)
结论3:特殊疑问句作宾语,引导词用________ , 原疑问词 即: what, who, whom, where, why, when, how等, 该词______ 充当 相应的句子成分。
7. --I wonder_____Mary how has kept her figure after all these years. --By working out every day.(15.福建) 8. The exhibition tells us_____we why should do something to stop air pollution.(2015.四川)
whether / if “是否”
下列情况下只能用whether 1)or或or not Can you tell me whether or not the train has left? 2)介词后宾语从句; I am not interested in whether you like the plan or not. 3)不定式前; 只用 if:如果宾语从句为否定句时, I don't know whether to accept or refuse. 4)句首; Eg: I don’t know if it won't rain tomorrow Whether it is true or not, I can’t tell. 5) discuss后宾语从句用whether We will discuss whether we are to hold a sports meeting next week.