I don't know what does the question mean 语法有错吗?这句有语法错误吗 还是要说成I don't know what the question means?请分析一下语法,宾语从句?

问题描述:

I don't know what does the question mean 语法有错吗?
这句有语法错误吗 还是要说成I don't know what the question means?
请分析一下语法,宾语从句?

应该说成I don't know what the question means
该句是名词性从句中的宾语从句.从句中的语序为陈述句语序,即:主语在前,谓语在后.