553　prepare用法难点

① prepare意为“准备，预备”，可用作及物动词或不及物动词，结构为：

prepare sth.

prepare sb.+sth. （双宾语）

prepare to do sth.

prepare sb. to do sth.

She is preparing her lessons. 她在准备功课。

She prepared them a big supper. 她为他们准备了一顿丰盛的晚餐。

He turned around and prepared to go downstairs. 他转过身来，准备下楼去。

He is preparing them to go on a holiday. 他在为他们去度假做准备。

He is preparing supper. 他在做晚饭。（prepare的宾语必须是prepare动作的承受者）

He laid the table，preparing for supper. 他摆好了桌子，准备吃晚饭。

② be prepared for sth.表示“为……做好准备”，意同be ready for，表示状态；be prepared to do sth.表示“做（好）准备干什么”。

He is prepared for the question. 他对那个问题已有准备。

They are prepared for the worst. 他们对最坏的事情做好了准备。

She is prepared to do the work. 她已准备好做那项工作。

比较

She is prepared for the exam. 她已为考试做好了准备。

She is preparing for the exam. 她在为考试做准备。