prepare 和 be prepared ?

prepare 是个常用动词，也是一个多义词。它既可以作及物动词用，也可作不及物动词用。为了弄清它的用法，现将它的主要用法归纳如下，供同学们在学习中参考。

一 . prepare 作“准备；预备；筹备；制作；配制”解时，可用于以下场合：

1. prepare + 名词或代词。例如：

He has prepared his lessons.

他已备好课了。

After arriving home， she began to make a fire and prepare supper.

到家以后，她开始生炉子，准备晚饭。

The chemist is preparing a medicine.

药剂师正在配药。

Corn is a very useful plant which can be prepared in many different ways.

玉米是一种非常有用的作物，可用许多不同的方法将其制作成食品。

2. prepare + 双宾语（间接宾语和直接宾语）。例如：

Mother is preparing us a meal. = Mother is preparing a meal for us.

母亲正在为我们做饭。

The secretary has prepared the president a long report. = The secretary has prepared a long report for the president.

秘书已为董事长准备好了一份长篇报告稿。

3. prepare + 动词不定式短语。例如：

They are busy preparing to go on vacation.

他们正忙着准备去度假。

After t