I'm afraid I can't后面加否定吗

I'm afraid you can't have a look.afraid是形容词,后面为什么加look? I'm afraid that I can't.为什么afraid后面没有跟of I'm afraid that I can't. i'm afraid that i can't I'm afraid you can't eat() 1.I'm afraid I can't make myself ___ I'm afraid I can't hear anything for you i`m afraid i can`t hear you I'm afraid not 为什么not加后面去了. i can't stand 后面加什么 -I'm thinking of the test tomorrow.I'm afraid I can't pass t I'm afraid that he can't ...能不能去掉“that”?