have的意思：有；持有；占有；吃；上；不得不；由…组成；显示出，带有(性质、特征)。have作为助动词，用于构成完成式。第三人称单数has；过去分词had；现在分词having；过去式had。
have的用法
have的释义：
aux. 用以构成完成式及完成式的不定式，表示已经…；
vt. 有，具有；拿，取得；从事；必须，不得不；
n. 〈口〉有产者，有钱人；富国；〈英俚〉欺骗，诈骗；
have的的用法：
助动词have以及它的变体has，had等的主要用法如下：
1、have +过去分词，构成完成时态
如：
He has left for Japan.他已去了日本。
We’ve just done the washing-up.我们刚洗完碗碟。
Poor Jim has just had an accident.可怜的吉姆刚出了个事故。
I have had this car for three years.这辆汽车我已用了3年了。
By the end of last month, they had finished the work.上月未他们就已经完成了工作。
2、have + been +现在分词，构成完成进行时
如：
I have been studying English for 8 years.我学英语已达八年了。
The children have been having a lot of run.孩子们一直玩得很开心。
We had been doing business with each other for years before we quarreled.在吵翻之前，我们多年来在业务上一直来往。
By this time next year, we will have been doing business with each other for 20 years.到明年这时候，我们的业务住来就满20年了。
I woke up—I had been having a bad dream.我醒了，我做了个噩梦。
3、have+been +过去分词，构成完成式被动语态
如：
English has been taught in China for many years.中国教英语已经多年。
Thousands of pounds have been spent on the new hospital.这家新医院花费了数千英镑。
None of my friends have been invited to the party.我的朋友中没有一个被邀参加晚会。
All means have been used to get him to change his mind.为了转变他的想法，所有的办法都用过了。
相关例句：
1、I have written two letters today.今天我写了两封信。
2、I have a pen.我有一支钢笔。
3、I have rice for lunch.午饭我吃大米。
4、I have English on Monday.星期一我上英语课。
5、I have to do this.我不得不做这个。
6、They haven't finished the job yet.他们尚未完成该项工作。
7、She might have come if she hadn't been so busy.当时若不是那么忙，她是可能来的。
8、I have an apple.我有一个苹果。
9、I had dinner with him yesterday.我昨天与他共进了晚餐。
10、I have a cold.我生病了。
11、Do you have a good idea?你有一个好主意么？
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