1、一、用动词不定式来表达句子。
表达目的，可以通过动词不定式来表达。
和汉语里差不多，只要句子里有表达目的时，就能借助动词不定式。
He went to bank to get the money yesterday.
she goes to school to study English.
Dale went to Shanghai to visit her parents.
2、二、用for表达目的
表达自己的目的时，你还可以用for表示。
He went to shanghai for his vacation in winter.
3、三、动词不定式做表语，也能达到做目的的句子。
my dream is to become a teacher in the future.
His goal is to have 110 companies.
4、want to do sth想要做某事
用句型来表达目的。
I want to get good grades in school.
she wants to eat two more apples.
5、decide to do sth决定去做某事
she decides to go to Beijing .
He decided to get good grades.
