I want to know _____ he will come tomorrow为什么是 if 而不是 when

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I want to know _____ he will come tomorrow为什么是 if 而不是 when
I want to know _____ he will come tomorrow
为什么是 if 而不是 when

I want to know _____ he will come tomorrow为什么是 if 而不是 when
if在这里是是否的意思.根据情境选if

if=whether引导宾语从句 是否

应该填if，意思是我想知道他明天是否来。因为后面已经有时间状语tomorrow，显然不能再对时间提问了，如果问我想知道他明天几点来，这个空应该填what time
希望能帮到你，祝更上一层楼O(∩_∩)O
有不会的欢迎再继续问我(*^__^*)

if 是 是否，这里的时态要用if。如果是when，是i want to know when he comes tomorrow.

when要么引导定语在句中做状语表那个时候怎么怎么样，还有就是引导时间状语从句表示当什么时候怎么怎么样，而在此句中中know后面是整个句子的宾语when不满足条件而且此举应翻译为我想知道明天他是否回来，when也不满足。所以只能选if。

I want to know why.的同义句I want to know _____ _______. I want to kown when I must start.=I want to kown _____ _____ _____是know纠正 英语翻译提示：I want to know _____ _____ _____ in a ___ ____ ____ 翻译句子:我想知道你感觉怎么样.I want to know _____ _____ _____ I want to know .What colour does he like?将两句话合为一句：I want to know _____ _____ ____ _____ . 我想知道她住在哪里 I want to know ____ _____ _____ I want to know where can I take the subway(同义句转换) I want to know _____ _____ _____the subway I want to know more! I want to know why I want to know ______ I want to know you. i dont want to know I want to know you I want to know what I should do next.（同义句转换）I want to know what I should do next.（同义句转换）→ I want to know ____ _____ _____ next.（填三个单词哦） what do they think of him?i want to know that(同义转换) i want to know _____ _____ _____of him I'm looking up the word and want to know its _____ (mean).Do you know what it _____ (mean)? 我想知道你们怎样上学 英文翻译I want to know ____ ____ _____ to school I want to know the reason _____ being late.A.to B.from C.for