I don't know how I could repair the bike.此句I don't know后跟的是什么从句?

问题描述:

I don't know how I could repair the bike.此句I don't know后跟的是什么从句?

是宾语从句,宾语从句要用陈述语序.这个语序对吗?这是正确的语序:疑问词+主语+谓语