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be动词的用法总结及练习题

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  学习英语的时候,很多人都是比较苦恼语法的学习,就如be动词的用法就很多,下面是学习啦小编整理的一些关于be动词的用法总结, 希望让大家更好地认识be动词,提高英语水平。

  be动词的用法篇一

  1. Be动词有三个,am,is还有are.我用am, 你用are, is跟着他她它,复数全部都用are.

  如果遇到过去时,was来把am,is替,were来把换掉动词are

  2. do和be动词的用法区别

  Be 动词就是(am,are,is)..句子中如果没有实意动词(例如:write,buy)之类的动词,就直接在主语后面加Be动词。而如果是句子中有实意动词,那么如果你要改为一般疑问句,就要借助DO(do也称为助动词),例如:I study.

  改为一般疑问句:Do you study ?

  顺口溜:be氏三朵花, am, is还有are,

  我(I)恋am, 你(you)恋are,

  is跟了他(he)她(she)它(it),

  单娶is, 复娶are。

  be动词的用法篇二

  英语的be 动词是个用法比较复杂的动词。复杂的原因有两点:

  1、 除了原形的 be 之外,对于不同人称代词以及单数名词和复数名词,be 会有各种变化形式和缩写形式。概括一下有七种形式:be, am, is, are, was, were, been, being。它们与人称代词和名词单、复数的搭配关系是:

  现在时 I am, you are, he/she/it/ is, we/you/they are;名词单数、不可数名词用is,复数用are。

  缩略式 I'm, you're, he's, we're, you're, they're

  否定缩略式 I'm not, isn't, aren't

  过去时 I was, you were, he/she/it/ was, we/you/they were;名词单数、不可数名词用was,复数用were。

  否定缩略式 wasn't, weren't

  过去分词 been

  现在分词 being

  2、在句子中,be有两种主要作用:一是作为系动词(The Linking Verb),本身可以作用谓语动词;二是做为助动词(The Auxiliary Verb),与谓语动词一起构成各种时态和被动语态等。

  下面做个简要的讲解。

  be动词的用法:做系动词

  1、系动词+表语”的结构

  当be 动词做系动词使用时,主要构成“系动词+表语”的结构,在句子中做谓语。表语可以是名词、形容词、副词、介词短语等。例如:

  The man is a science teacher.

  Mary's new dresses are colourful.

  Mother is in the kitchen now.

  I have been there before.

  They shall be here at 10:00 tommorow.

  That can't be true.

  You are not being very polite.

  Your brother is being very annoying this evening

  2、be 动词的一般疑问句,方法是把be 移到主语前面,也可说成是移到句首。

  Is the man a science teacher? Yes, he is. / No, he isn't.

  Are Mary's new dresses colourful? Yes, they are. / No, they aren't.

  Was mother in the kitchen then? Yes, she was. / No, she wasn't.

  Were you at home the day before yesterday? Yes, I was. / No, I wasn't.

  Was she late this morning? Yes, she was. / No, she wasn't.

  3、be 动词用在特殊疑问句

  在特殊疑问句里,be 动词仍然移到主语前面,但特殊疑问句是以特殊疑问词开头的,所以be 动词只能说是移到主语前面,或者说是在特殊疑问词的后面。例如:

  Whose bike is broken? Xiao Ming's bike is.

  Who was singing in the room? Mr. Zhang was.

  Where are you from? I am from Wuhu.

  What class were you in? We were in Class 2.

  How old is Tom? He is ten.

  4、be 动词的否定句

  be 动词做谓语时,它的否定形式是在be 后加not,并且可以缩写。例如:

  It is not sunny today.

  Tom and his friends are not in the park.

  You were not nine years old when I went to the university.

  He was not often late for his class when he was a student.

  I wasn't here yesterday.

  My parents weren't at home last Sunday.

  5、be 动词的祈使句

  be 动词的祈使句有肯定和否定两种形式。肯定形式是以be 动词开头,而否定形式或强调句形,要加don't 或do。例如:

  Be careful!

  Be a good boy!

  Don't be silly!

  Don't be a fool!

  Do be obedient!

  Do be careful.

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