I`m afraid that I`ve hurt my back.是表语从句还是宾语从句 有的书上说是表语从句 有的说是宾语从句 是因be afraid 这个系表结构一起构成谓语么?

I'm afraid I've got too much to do. 1.I think that I've hurt ma back.2.I'm afraid that I can't get up.1.I think that I've hurt ma back.2.I'm afraid that I can't get up.3.I think that the doctor had better see you.请问这几句话中的that是起什么作用的.可以去掉吗? 有关宾语从句Ithink that I've hurt my back.I'm afraid that I can't get up.这两句是宾语从句吗?怎样判断宾语从句 i'm afraid that if you've lost.这里是宾语从句还是状语从句啊 我很纠结得! I think my answer would be a yes because I'm afraid that's the most naive and carefree life I've ev中文 I think my answer would be a yes because I'm afraid that's the most naive and carefree life I've ev I tried to cook a nice dinner,but I’m afraid I’ve rather botched it . I'm afraid that I could not go to shanghai 与that if有关的一道选择题I'm afraid ____ you've lost the knife,you must pay for itA that if B that I'm afraid that he can't ...能不能去掉“that”? I think that I've hurt my back.I'm afraid that I can't get up.Thedoctor says that he will come at once都是什么句子结构 i'm afraid so. I'm afraid () dog “I'm afraid ”是什么意思? I'm afraid i've learned that I'm afraid that I can't.为什么afraid后面没有跟of I'm afraid I can't hear you.这句话为什么afraid后不加that?