一、prepare用作及物动词时：

1.prepare sb.sth.表示"给.准备.",也可转换为prepare sth.for sb..

She prepared us a nice breakfast.(= She prepared a nice breakfast for us.) 她给我们准备了可口的早餐.

2.prepare sth.表示"准备.",后接名词或代词作宾语.

Our English teacher was preparing the lessons when I came into the office.我进办公室时,我们的英语老师在备课.

当宾语是食物之类的东西时,可译为"制;做".

Mother was preparing dinner in the kitchen while Father was watching TV.妈妈在做饭,而爸爸在看电视.

3.prepare sb.for sth.表示"使某人对某事有所准备".

She said so because she wanted to prepare her father for the bad news.她这样说是因为她想使爸爸对那个坏消息有所准备.

4.prepare to do sth.表示"准备做.".

They were preparing to cross the river when it began to rain.他们正准备过河,突然下雨了.

二、prepare用作不及物动词时：

prepare for sth.表示"为.做准备".

The students are busy preparing for the final exam.学生们正在准备期末考试.

三、prepare的名词形式为preparation,它可以和介词in一起构成in preparation for短语;也可和动词make一起构成make preparations for短语,表示"为.做准备".

We are getting things together in preparation for the journey.我们正在收拾东西准备旅行.

They have made preparations for what will happen.他们已为将要发生的事情做了准备.

四、prepare是一动词,意为"准备".其用法相当灵活,现归纳如下:

1.prepare sth.是"准备……",宾语是所准备的内容.如:

Mother was preparing dinner in the kitchen.妈妈在厨房准备饭菜.

He had a speech to prepare that evening.那天晚上他得准备一个报告.