be afraid of sth 害怕某物,某事 be afraid of doing sth 做了某事感到害怕 be afraid to do sth 由于害怕而不敢做某事 be afraid that 从句, 这句话是be afraid后面接的省略that的宾语从句 希望能帮到你,祝更上一层楼O(∩_∩)O 有不会的欢迎再继续问我(*^__^*)...
I am afraid 后省略了of , (that) we have to go now 是介词of的宾语从句 这是一种固定用法。一些be +形容词 +介词的短语,常常省略介词再接that引导的宾语从句。如 be sure of/ about sth, be surprised at sth, be pleased with 等等 I...