此句子有错吗?i could check that what you want to say is logical and it would also give you

题目

此句子有错吗?i could check that what you want to say is logical and it would also give you
a chance to practice speaking.
我想问的是 that what 这里,

答案

没有错~that 引导一个宾语从句（what you want to say is logical ,这句是check的宾语）,what引导一个主语从句（what you want to say是宾语从句what you want to say is logical 的主语 ）