how important连词

.How important it is for kids to imagine freely！

How important．英语中的感叹句要由what和how来引导，其句型是：How+形容词/副词+主语+谓语+其他!What+（a/an）+形容词+名词+主语+谓语+其他!根据所给的单词，形容词是important，主语是it，应用how来感叹，故答案是How important．

对于孩子来说自由想象是重要的．

孩子们自由想象是多么的重要啊．

又如:

How important it is to protect ourselves from harm.

How important it is to learn english well.

副词how的用法:

基本义为“怎么样”

一How did you come—I came by plane. 一你是怎么来的一我是乘飞机来的。

一How do you start the engine一You press the button. 一怎样启动发动机一按这个按钮。

修饰形容词

How strong are you你有多大劲儿

How important is this letter这封信的重要性有多大

与much和many连用

How much (money) do you want你需要多少钱

How many (pictures) did you buy你买了多少幅（画）

与副词连用

How fast does he drive他开得有多快

How often do you go abroad你多长时间出一次国

How badly was he hurt他伤得怎么样

How soon can you come你多快能赶来

How is she （她身体怎么样 ）询问的是她的健康状况，而What is she like （她长得什么样 ）询问的是她的外貌。