好像找不到这个知识点的归纳?请问有吗?谢谢。
the same question need to solve
whether 与 if 的区别
1 whether 可引导名词性从句,作主语。If
不能。
Whether he comes or not has nothing to do with us .
2
介词之后用whether
,不用if .
It depends on
whether you will agree .
3
不定式前面用whether
不用if .
I wonder
whether to stay here .
4
用or 表示选择用whether ,不用if .
He wondered
whether he should wait or go .
5
当从句放主句前,用whether
,不用if .
Whether this is true or not, I can’t say
.
6
引导表语从句用whether
,
不用 if .
The problem is whether
we should go home or not .
7
句中有or not 时,用whether ,
不用if .
I wonder whether it is big enough or not .
8
作discuss 的宾语,用whether ,
不用if .
They are
discussing whether they should open the door .
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