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 uful 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 cretary has prepared the president a long report. = The cretary 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 the discussion they prepared to write an article to air their views.
经过讨论，他们准备写⼀篇⽂章来提出⾃⼰的看法。
4. prepare + for （或 against ）引起的短语。例如：
The students are busy preparing for the mid-term examination.
学⽣们正忙于为期中考试作准备。
The peasants are preparing against the drought.
农民们正在为抗⼲旱作准备。
注意： prepare against ⽤于为灾害、意外不幸或不愉快事件作准备。
⼆ . prepare 作“使（⼈）作好准备；叫（⼈）作准备”解时，可⽤于下述场合：
1. prepare + sb + for sth .例如：
He was preparing himlf for the marathon race then.
他当时正在为参加马拉松⽐赛⽽作准备。
The teacher prepared his students for the college entrance examination.
⽼师指导他的学⽣为⼤学⼊学考试作准备。
2. prepare + sb + 动词不定式短语。例如：
He prepared himlf to take out a licen for a driver.
他为取得汽车驾驶执照作了准备。
The nur is preparing the child to go to hospital.
保姆在为孩⼦住院作准备。
三 . 过去分词 prepared ⽤于系表结构，意思为“为……做好准备；打算”，常⽤于以下句式：
1. be prepared + for （或 against ）引起的短语。例如：
They were prepared for the worst.
他们已准备好应付最坏的情况。
I knew there were problems， but I was not prepared for this.
我知道有些问题，但却未防范这⼀点！
2. be prepared + 不定式短语。例如：
They were prepared to go to work in the countryside.
他们准备到农村去⼯作。
I am not prepared to listen to all your weak excus.
我不愿听你那些不成借⼝的借⼝。
They were prepared to be friendly.
他们打算和好。
