prepare sthprepare for sthprepare to do sthprepare sb for st

贵方已经准备好了报价吗?
Have you prepare your bid?
我预习功课.
I study to prepare for class.
我们现在准备出发了.
We prepare to set out now.
家父送我去工程学校是为了我从事文学事业作的准备.
My father sent me to an engineering school to prepare me for a literary career.
我的学位没有教我怎样处理这样的事情
"My degree didn't prepare me to handle something like this

准备某事
为某事而准备
准备做某事
为某人准备某事
准备让某人做某事

准备某事
为某事而做准备
准备做某事
准备让某人做某事
准备让某人做某事
最后两个的翻译是一样的，只不过for后面是加名词，to do是动词（动词不定式）