important前面an。important第一个发音是元音/i/，所以前面可以加an或者the，不可以加a。important，英语单词，主要用作形容词，作形容词时意思是“重要的，重大的；有地位的；有权力的”。其有it is important for sb to do和it is important to sb两种常见搭配。

it is important for sb to do强调做某事对某人的重要性，it is important to sb强调对某人很重要的东西。important的用法：作形容词的用法。This gold is every bit as important to me as it is to you。这块金牌对你很重要，对我也一样重要。

搭配用法：It is important to follow the manufacturer's instructions。遵照厂家的说明很重要。It is important for him to attend every day。他每天都要出席，这很重要。

更多例句：This question has a bearing on a much more important one。这个问题关系到一个更重要的问题。There were many important events in this period。在这一时期里发生了许多重大的事件。The first and most important thing was to repair my relationship with my father。最首要和最重要的是挽救我和父亲的关系。