I feel that 是表语从句吗?

I feel that 是 表语从句吗 I feel that 是表语从句吗? i feel that,-------.feel 是一个系动词,feel后面的句子是宾语从句还是表语从句 the reason is that i love you 是表语从句吗 请 They feel that Wales is a fairy land.此句是宾语从句还是表语从句? I`m afraid that I`ve hurt my back.是表语从句还是宾语从句 I an afraid that I can`t understand you.是宾语从句还是表语从句呢 it seem+that从句是主语从句还是表语从句 that is what i say.这里的what是引导的表语从句吗?能换成which吗. 表语从句中that可以省略吗? that引导表语从句可以省略吗 表语从句可以省that吗?