1。主语从句: does she love dog-walking?
Whether she loves dog-walking or not is unknown。
2。宾语从句:
I dont know if/whether whether she loves dog-walking
3。表语从句:
My concern is whether you are a student or not。
4。同位语从句:
They are faced with the problems whether they should continue to play。
补充:if whether区别
1)if一般用于引导宾语从句,而whether可引导所有名词从句
If he comes or not makes no difference。
The question is if he will arrive。
2)if 不和or not直接连用,一般不说 if or not。但可以说 if or not 。而whether没有此限制。
I dont know if or not he arrives。
I dont know whether or not he arrives。
五、特殊疑问句可分别充当四种句子成分。特殊疑问句变成陈述句语序。
There arose the question where we could get the loan。
I have no idea what gender he is。
Why he refused to cooperate with us is still a mystery。
I dont know how many letters I have written to her。
NBA is what I am crazy about。
How China should develop next is a serious problem。
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