I don*t know if he will come tomorrow 宾语从句 不懂哪个I don*t know if he will come tomorrow 宾语从句 不懂哪个是主句 哪个是从句

问题描述:

I don*t know if he will come tomorrow 宾语从句 不懂哪个
I don*t know if he will come tomorrow
宾语从句 不懂哪个是主句 哪个是从句

i don't know是主句

if引导的是从句

if he will come tomorrow 是从句,且是know 的宾语,