he hasn't decided if he will come tomorrow在线等

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he hasn't decided if he will come tomorrow在线等
这句话用will come对吗?这个是宾语从句吧.if 用做条件状语从句的时候,有主将从现的原则吧.宾语从句呢?有什么原则呢?he wants to know if she is free tomorrow. is free对吧?是不是书上面答案错了呀.这两句都是一样的,不是吗?

这句话用will come对的.这个是宾语从句
if 用做条件状语从句的时候,有主将从现的原则.
做宾语从句尤其是主句为一般现在时态的时候基本上没有什么固定的原则,从句根据自己的时间状语来确定时态
he wants to know if she is free tomorrow.is free对吧?是不是书上面答案错了呀.这两句都是一样的,不是吗?
下面这句话也是对的,他明天有空可以说成：She will be free tomorrow.也可以说成：She is free tomorrow.这两句都可以用作宾语从句.

he hasn't decided if he will come tomorrow在线等 It hasn't been decided yet whether/if he will come soon这句话的时 If he _____busy tomorrow,he will come. I don't know if he will come tomorrow. He will come here if he isn't busy tomorrow. 这里为什么不用 if he w I don't know if he will come tomorrow i think he if he free I w____ if he will come tomorrow 改为同义句：He hasn't decided where he will buy a new house.He has He is very busy.I don't know if he will come or not tomorrow he hasn't decided it yet.请译出 if he 什么come tomorrow ,i will call you 是doesn‘t还是won’t?为什么? 1,He will come here tomorrow if he can.(同义句)He will come her