七年级英语知识点have/has的用法有哪些

七年级英语知识点have/has的用法有哪些

上学的时候，大家都背过不少知识点，肯定对知识点非常熟悉吧！知识点是传递信息的基本单位，知识点对提高学习导航具有重要的作用。掌握知识点有助于大家更好的.学习。以下是小编整理的七年级英语知识点have/has的用法有哪些，欢迎阅读与收藏。

英语知识点

1)谓语动词have表示“有”，有两种形式：have和has，前者用于第一人称(I,we)，第二人称(you)和第三人称复数(they)，后者用于第三人称单数(he,she,it)或单数名词。

I have an apple and he has two bananas.我有一个苹果，他有两个香蕉。

You have a new English teacher.你们有了一个新的英语老师。

It has two big eyes.它有一双大眼睛。

Julie and Jack have a nice car.朱莉和杰克有一辆好看的车。

2)have/has句型与there be句型的比较：两者都表示“有”，但用法不同。前者表示所属关系，即表示“某人或某物有什么”，而后者表示存在，表示“某地有什么”。

They have some new books.他们有一些新书。

There are some new books on their desks.他们桌子上有一些新书。

She has a lot of pretty skirts.她有很多漂亮的裙子。

There are a lot of pretty skirts in the shop.商店里有很多漂亮的裙子。

3)have/has的否定句，一般要加助动词do/does，再加not构成，即do not have(don’thave)/does not have(doesn’thave)

She does not have a sister.她没有姐姐。

We don't have any classes on Saturday.我们星期六没有课。

Ann and I don'thave a big room.我和安没有一个大房间。

4)一般疑问句由“助动词Do/Does+主语+have+宾语”构成，回答用Yes,…do/does.或者No,…don’t/doesn’t.

--Do you have a big house?他们的房子大吗?

--No,they don’t.不，他们的房子不大。

--Does he have an eraser?他有橡皮吗?

--Yes,he does.他有的。

5)特殊疑问句由特殊疑问词+助动词do/does+have(+状语)构成。

What do they have?他们有什么?

What does he have?他有什么?

How many tele phones do they have?他们有几部电话?

have的用法总结优秀

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。

I have been made redundant, so I’m going abroad.我被定成了超编人员，所以我打算出国。

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