I think that I've hurt my back.I'm afraid that I can't get up.Thedoctor says that he will come at on

问题描述:

I think that I've hurt my back.I'm afraid that I can't get up.Thedoctor says that he will come at on
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都是什么句子结构

我想我是背部受伤了,恐怕我起不来了.医生说他立刻会过来.
I think是主句,that I've hurt my back是宾语从句.
I'm afraid是主句,that I can't get up是宾语从句.
The doctor says是主句,that he will come at once是宾语从句.