I really don't know if she_____it when she______.

问题描述:

I really don't know if she_____it when she______.
1、finds ; will arrive
2、will finds ; arrives

will find ,arrives.
我不知道当她来的时候,她可不可以找到它.
will后加动词原形,不能加s
when引导的条件状语从句,要用现在时表将来.所以要用arrives.