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BE动词有哪些

am /is /was are/were being (一)am,is和are用于不同的人称和数。 am用于第一人称单数。例如:I am a teacher.我是一名老师。 is用于第三人称单数,没有人和物的区别。例如: —Who is he? —He is Tom’s father. —What’s this? —It is a book. are用...

现在形式:am are is 过去式:was were 过去分词:been 现在分词:being

be动词的词性是系动词。形式有:is,are 其中be动词的基本用法有以下: ①is (过去式was→过去分词been)。这是主语为 单数名词,不可数名词,第三人称,一些不定代词(something,anything,everything····等等)或者名词性从句等在一般现在时的时...

am is are

be 动词是指 am is are,相对应的过去式是was were 助动词是指 do does did 情态动词是指 may will shall can must , 相对应的过去式是 might would should could. 情态动词的语法比较多,可参考资料。 http://wenku.baidu.com/view/1624de234b3...

在英语语法中,be动词意思和用法很多,一般的意思是:是,此种用法,有多种变化形式,is,am,are,was,were,being,been,to be.另外,be动词还有成为的意思。根据句子中不同的人称、数和时态,应该选择相应的be动词。 要看语句的时态: 如果...

BE 动词(being verbs)是指以be为词根衍生出来的一系列动词。他们与have等动词一样是助动词(helping verbs)。 一共有8个be动词:am is are was were be being been

am /is /was are/were being (一)am,is和are用于不同的人称和数. am用于第一人称单数.例如:I am a teacher.我是一名老师. is用于第三人称单数,没有人和物的区别.例如: —Who is he? —He is Tom’s father. —What’s this? —It is a book. are用于第...

一般现在时,is(主语是单书),are(主语是你,你们,复数),am(主语是我) 过去时was(主语是我,单数)were (主语复数)

be动词后常见可跟形容词:you are beautiful;冠词:I am a boy或I am the best ;介词:I am in favor of you;动词~ing、动词过去分词:I am reading a book或I was injured。……

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