118　be afraid of和be afraid to

1　be afraid of 后接名词、动名词或代词，意为“害怕某人或是事”，对某物或某事心存恐惧或担心。

Most of us are afraid of snakes. 我们大多数人都怕蛇。

She is afraid of speaking in front of the public. 她怕在公众面前说话。

2　be afraid to 接动词原形，意为“怕／不敢做某事”，指根据常识或经验觉得做某事有后患而不敢去做。

She is afraid to go there. 她不敢去那里。

He is afraid to swim in the river. 他不敢在那条河里游泳。

He is afraid to go out at night. 他不敢在夜间出去。

提示

be afraid not和be afraid so可用于回答问题。

A: Will it rain in the afternoon?下午会下雨吗？

B: I am afraid not . 恐怕不会。

B： I am afraid so . 恐怕会。