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五年级英语总结-动词Be动词

五年级英语总结-动词Be动词
五年级英语总结-动词Be动词

动词(be动词)

be动词:am,is,are和原形be,be动词本身无实际意思。

用法:

1. 一般现在时中,开头的主语后如果没有动词的情况下,需要在主语后补一个be动词am,is或are。

be动词后可跟以下几类词:

(1)跟名词。如:I am a pupil.我是一个小学生。

(2)跟形容词。如:She is beautiful(tall,clever).她漂亮(高,聪明)。(3)跟副词。如:They are here(there).他们在这儿(那儿)。(4)跟表示时间和地点的介词短语。He is in the park.他在公园。

Be here at 7:20 this morning.今早7:20到这儿。

(5)跟数词。如:I am ten years old.我今年10岁。

(6)跟代词。It is me.是我。

原形be的用法:目前为止,只在祈使句中需要用到原形be。

如:Be here.(在这儿)。Be quiet.(安静)。Be a good boy.(做个好男孩)。Don’t be late.别迟到。

2. 和动词ing一起构成现在进行时。am(is,are)+动词ing。

如:He is flying a kite.他在放风筝。

I am singing.我在唱歌。

You are taking photos.你(你们)在照相。

be动词am,is,are的句子,其否定句就在be动词后加not,构成I’m not;aren’t(are not)或isn’t(is not)。

一般疑问句把am,is,are提前放句首就行。提醒:回答是我,一般在问句中要把我改为你,回答是我的,提问中要变为你的。这时,be动词也要跟随主语变化。

be动词用法口诀:

I(我)用am,you(你)用are

is连着他(he)、她(she)、它(it)

单数名词、不可数名词用is

复数名词全用are

如:I am…,You are…,He is…,She is…,It is…,Lingling is…Water is…,They are…,We are …,Lingling and Lele are…

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初中英语动词知识点:Be动词定义及用法

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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。 一、be 动词做系动词 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.

小学英语be动词用法及练习

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初一英语b e动词的用 法 Document serial number【NL89WT-NY98YT-NC8CB-NNUUT-NUT108】

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