Tom asked me if I had been to Hong Kong.这里的if可不可以用whether代替 为什么

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Tom asked me if I had been to Hong Kong.这里的if可不可以用whether代替 为什么
Tom asked me if I had been to Hong Kong.这里的if可不可以用whether代替 为什么

Tom asked me if I had been to Hong Kong.这里的if可不可以用whether代替 为什么
可以,同义词‘ 是否’,另外句中没有OR NOT

可以的,if和whether的用法相似,whether使用的范围更广,所以if可以用的地方,whether基本可用。

可以
一般做单项选择题同时出现if 和whether 的时候,
意思是“是否”的时候
一定要选whether
当“是否”讲的时候
if 都能换成whether,
但whether 不一定能换成if

whether和if都可以引导宾语从句,表示“是否”,在口语或间接引语中两者可以互换使用。但在有些情况下,whether和if的用法有一定区别。 比如:
1. whether引导的从句常可以与连词or或or not直接连用,而if一般不能。如:
正: Let me know whether you can come or not.
误: Let me know if y...

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whether和if都可以引导宾语从句,表示“是否”,在口语或间接引语中两者可以互换使用。但在有些情况下,whether和if的用法有一定区别。 比如:
1. whether引导的从句常可以与连词or或or not直接连用,而if一般不能。如:
正: Let me know whether you can come or not.
误: Let me know if you can come or not.
2. 当宾语从句提到句首时,只能用whether引导,而不能用if。如:
正: Whether it is true or not, I can’t tell.
误: If it is true or not, I can’t tell.
3. whether可以引导带to的不定式,if则不能。如:
正: I don’t know whether to accept or refuse.
误: I don’t know if to accept or refuse.
4. whether及其引导的成分可放于介词之后,作介词的宾语,但if不能。如:
正: I worry about whether I hurt her feelings.
误: I worry about if I hurt her feelings.
正: We must consider the question whether we will take these measures.
误: We must consider the question if we will take these measures.
所以在表示“是否”时,whether都可以代替“if”使用,反之不然。

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