感叹句属于句子两分法中从功能角度分的最后一种，也是初中英语考察的知识点之一。

总的来讲，感叹句分为两种：一种是What引导，一种是How引导。具体来讲，有下面六种情况：

1. It is a sunny day.

What a sunny day it is!

2. It is an inviting apple.

What an inviting apple it is!

3. It is lovely weather.

What lovely weather it is!

4. They are hard-working students.

What hard-working students they are!

5. They work hard.

How hard they work!

6. You are beautiful.

How beautiful you are!

从以上六种情况中，你能得出什么结论？

思考题：

1.何时用How 打头？

2. 何时用What 打头？

3. 何时用What a 打头?

4. 何时用What an 打头？

练习：

1. _____ unforgettable experience it is!

2. _____ happy we were!

3. _____ happily they are playing!

4. _____ delicious food he has prepared!

5. _____ nice boy he is!

6. _____ happy days we have spent together!