how+形容词/副词+主谓结构what/what a/what an+ 名词+主谓结构，主谓结构有时可省略：What an interesting film it is!/What a good swimmer Jane is!（可数名词）How well Jane swims!! （副词）How beautiful the garden is!（形容词）What hard work they've done!（不可数名词）How hard they've worked! （副词）What pretty birds Sam's got!
（复数名词） 希望对你有帮助...
