句子分析：You can figure it out more effectively when you know what problem it.
问题描述：
句子分析：You can figure it out more effectively when you know what problem it.
what 引导的是一个从句吧?但是好像没看到problem it这种说法.怀疑这块儿有问题.如果不对只请在此句上做修改.
答
you know 后面跟的肯定是宾语从句
应该是 you know what problem is
少了个is