少儿英语语法顺口溜：be动词的用法
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少儿英语语法顺口溜：be动词的用法
  be 的用法口诀
  我用am，你用are，is连着他，她，它;
  单数名词用is，复数名词全用are。
  变疑问，往前提，句末问号莫丢弃。
  变否定，更容易，be后not莫忘记。
  疑问否定任你变，句首大写莫迟疑。
  be动词的用法：be (be/is/are/am/was/were)
  vi
  现在时 I am, you are, he is, we are, you are, they 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 was, we were, you were, they were (过去时否定缩略式 wasn't, weren't), 过去分词been, 现在分词being
  英语的“be”是个特殊动词;有些语言，如马来文等，并没有“be”这样的动词。
  “Be”除了原形的“be”之外，还有另外七种形式：am, is, are, been, being, was, were.
  在句子中，“be”可以是主动词(The Principal Verb)或助动词(The Auxiliary Verb)
  例句对照
  【当主动词时，“be”在性质上属于接系动词(The Linking Verb), 后面要有名词、形容词、地方副词或短语作补足语(The Complement)。例如：
  1. The man is a science teacher.
  这个男子是一位科学教师
  2. Mary's new dresses are colourful.