英语演讲稿问题

Introduction 部分可以讲一个著名网球选手的故事，比如说李娜，吸引下观众注意；
Main points: 1. the origin of tennis; (when and how did it appear? who invented it?)
2. the development of tennis; (the process how did it become popular)
3. tennis in modern matches(such as Olympics);(introduce the regulations)
4. some great tennis players(such as Li Na)
Conclusion: you can call on the audience's interests on tennis or say something like: we hope the tennis will become a public sports one day

我告诉你英文的作文都是有结构的
一半分4 5段
1说背景 比如说网球在世界上是如何如何的，HOW popular etc.
2说原因 1为什么2为什么3为什么
3说自己看法 我们该则么做什么什么的
4可以举例子 自己编
5总结 conclusion