可用于 It’s+adj.+of sb (to do sth) 句型的形容词不多，比较常见的有 careless, clever, cruel, foolish, friendly, generous, good, impolite, kind, nice, polite, right, rude, selfish, silly, stupid, wise, wrong 等（主要是表示人的品行和特点的形容词连用）。如：

It was kind of him to wait. 多蒙他好心等候。

It was silly of you to believe him. 你相信他是愚蠢的。

It was foolish of me to forget. 我真蠢，竟然忘记了。

It’s unfair of him to criticize me. 他批评我是不公平的。

It was generous of him to pay us. 他付了我们钱，真慷慨。

It was selfish of him not to contribute anything. 他很自私什么也不捐。

It was careless of you to leave your camera in the taxi. 你把照相机留在计程车里实在太不小心了。