英文原文：
I have a headache 我头痛
英式音标：
[aɪ] [hæv] [ə; eɪ] [ˈhedeɪk]
美式音标：
[aɪ] [hæv] [e] [ˈhɛdˈek]
第一二人称用have,第三人称用has
如果只是词组,用have
第三人称单数：has 现在分词：having 过去式：had 过去分词：had
例句：
I have a new pen.我有了一支新的钢笔.
Thet have a lot of money.他们有很多钱.
Have some apples.来点苹果吧.
Do you have this book?你有这本书吗?
Does she have the computer?她有电脑吗?
Have you got some small change?你有零钱吗?
I have already finished my homework.我已经完成我的作业了.
Thay've just left.他们刚刚离开.
We've nearly finished.我们快要完成了.