感叹句型：
(1) What a + Adj + N + S + V!
例：What an important thing it is to keep our promise!
信守我们的诺言是多么的重要啊!
(2) How + Adj + a + N + V!(多么...!)
例：How important a thing it is to keep our promise!
遵守诺言是多么重要的事!
(3) How + S + V!
例句：How I want to go to Beijing. 我多么想去北京啊!