decide 作動詞，意為“決定”。其常見的用法有：
?一、decide to do sth. 決定做某事，其否定形式為decide not to do sth.，決定不做某事。如：
He decided to go shopping. 他決定去購物。
He decided not to go shopping. 他決定不去購物。
?hey decided to delay the meeting. 他們決定把會議推遲。
?She decided to call his office. 她決定給他辦公室打電話。
二、decide on/upon (doing) sth. 決定(做)某事。如：
?We decided on leaving. 我們決定離開。
?He decided on going abroad. 他決定出國。
?We haven’t decided on a price but we’re open to offers. 價錢未定，歡迎顧主開價。
?After seeing all the candidates we’ve decided on this one. 我們見了所有的候選人，決定選這位。
?三、decide + 賓語從句。如：
I can't decide where i should go. 我不能決定我該去哪兒。