在 I don't know what was the matter with you.中,句型不是宾语从句么?为什么不用陈述语序?我英语很差.

在 I don't know what was the matter with you.中,句型不是宾语从句么?为什么不用陈述语序?我英语很差.
在 I don't know what was the matter with you.中,句型不是宾语从句么?为什么不用陈述语序?
我英语很差.

在 I don't know what was the matter with you.中,句型不是宾语从句么?为什么不用陈述语序?我英语很差.
1)一般情况下,即使是有疑问词, 从句仍然是陈述句式,如;
This book will show you what the best CEOs know.
Can you figure out what the poet really means in this poem.
2)但个别宾语从句本应用陈述语序,可由于习惯而保持原疑问语序不变,如;
I don't know what is the matter with him.
I have no idea what was the matter with him.
关于matter的从句都是疑问语序