I am afraid that I can not be certain about that.请问这that后面引导的是什么从句啊?afraid已经作表语了，所以很疑惑后面的从句是什么成分。是不是宾语从句啊？

I am afraid that I have to go.什么句型! I am afraid not. I am afraid that和I am afraid not 的区别 i am afraid that.中的that可以省略吗?为什么? I am afraid that I can not catch 和I am afraid I can not catch thant哪个正确 I am afraid that you will forget me什么意思 I am afraid that l have to go啥意思? Time that although I am also afraid of the truth I am afraid _______ I should speak English in the class.A.to B.of C.that D.in ----I haven't seen Jack for three days.Is he ill?----____.His mother told me that he was in hospital.A.I am afraid so B.I hope not C.I don't expect D.I am afraid not I am not afraid是什么意思 I am afraid you leave. I am afraid I am afraid so 和 I am afraid not.有什么区别. Let your hot I am afraid,I suddenly discovered that I lost autonomy I am afraid that I have no time.这句话中I am afraid 做主句,I have no time 做从句,that做什么成分?RT. I am afraid that I will fall in love with you!I am afraid that I will fall in love with you!什么意同上! I am afraid that I can't 中的that can't 在句中做什么成分 i Am afraid that i can't恐怕不行 这句中间为什么加一个that