1.表示礼貌时
Mary and I are classmates.玛丽和我是同学。
You，she and I all enjoy music.你、她和我都喜欢音乐。
We，you and they are all fond of music.我们、你们，还有他们都喜欢音乐。
He and she won’t quite agree to this plan.他和她不同意这计划。
Nobody wanted to go except him and her.除了他和她外，没有一个人想去。
I and my children are watching TV now.我跟孩子正看电视。
My parents，my wife，I and our children are going to be present at your wedding.
我的父母、妻子、我自己及孩子将出席你的婚礼。
2.承担责任或承认错误时
It was I and Tom who broke the window.窗户是我和汤姆打破的。
I and he are to blame for the accident.我和他应为事故负责任。