have,havegot以及there_be的区别

Have的用法：

一、Have的意思为“有”，其单数三人称形式为has. 二、句型转换

1、has：肯定句：He has a big dog.

否定句：He hasn't(has not) a big dog.

一般疑问句：Does he have a big dog?(前面用了does后面就用have的原形） Yes, he does./No, he doesn't.

2、have:肯定句：They have a big dog.(have用于除第三人称单数之外的其他情况） 否定句：They haven't(have not) a big dog.

一般疑问句：Do they have a big dog? Yes, they do./No, they don't. 三．have作为实义动词的时候，有这些意思：??

1. 有,拥有 ?? This coat has no pockets.??这件衣服没有口袋。??

2. 吃;喝;吸(烟)?? They had their lunch in a cafeteria.??他们在一家自助餐厅吃了午饭。?? Have a cup of coffee, please.??请喝杯咖啡。 3. 必须,不得不[+to-v]?? I have to go right now.??我马上得走。

4. 上课 We have art and history today. 我们今天上艺术课和历史课。

Have/has got的用法：

一、定义

Have/Has got句型:它表示某物归某人所有，是一种所属关系,主语为人，只有“拥有”的意思。?? 转换：have got=have has got=has 二、Have/Has got句型的转换

A、否定句：在have或has后加not, 缩写为haven’t或hasn’t.如：

I have got three sisters. → I haven't got three sisters. He has got a bike. → He hasn't got a bike. B、一般疑问句：把have或has提前到句首

I have got three sisters. → Have you got three sisters? Yes, I have./No, I haven't. He has got a bike. → Has he got a bike? Yes, he has./No, he hasn't.

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There be 句型

一、定义

There be句型是一常见的表示“存在”的句型。该结构表示某地某处客观存在某物，是一种倒装语序，其真正的主语在there be 之后。 二、结构

There be + sth + 地点状语

There is a flower in the bottle. 瓶里有一朵花。 There is some money in the purse. 钱包里有些钱。 三、There be 句型中be动词的确定

1. there be 结构中的谓语动词be在人称和数上应与其后的主语保持一致。主语是不可数名词或单数可数名词时用is,是复数时用are。如: There is a flower in the bottle. 瓶里有一朵花。 There is some money in the purse. 钱包里有些钱。 There are four apples on the desk.桌子上有四个苹果。

2. 若句子中有几个并列的主语时,be的形式要与离其最近的一个主语在人称和数上保持一致。（就近原则）如:

There is a boy, a girl and two women in the house. 房子里有一个男孩,一个女孩和两个妇女。 There are ten students and a teacher in the office. 办公室里有十个学生和一个教师。 四、There be 结构的句型转换 1、否定句

there be的否定式通常在be后加not构成(在口语中be时常与not缩写在一起)。如果句中有some,一般要变成any。如:

There are some children in the picture. →There aren't any children in the picture. 2、一般疑问句及其答语

一提二变三问号，some变成any。其肯定答语是Yes, there is / are;否定答语为No, there isn't / aren't。如:

—Are there two cats in the tree? —Yes, there are. (No, there aren't.)

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