we don't know whether to do it next .let"s go and ask MR Li .为什么是whether to do

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we don't know whether to do it next .let"s go and ask MR Li .为什么是whether to do
we don't know whether to do it next .let"s go and ask MR Li .为什么是whether to do

we don't know whether to do it next .let"s go and ask MR Li .为什么是whether to do
whether用作连词,意思是“是否,是不是”,可引导名词从句或动词不定式短语.
whether还可引导让步状语从句,意思是“不管,无论”,从句中通常用一般现代时代替将来时.
whether 的用法中是可以跟不定式的,所以whether to do 没有任何问题




I'm uncertain whether to go or not. 
我不能确定去还是不去