2.Be动词的形式和用法

Be 动词的形式

be, is ,am, are, was, were, being been

  • The man is back
  • They are back
  • He was back
  • They were back
  • They have been back

Be动词的用法

后面接名词，形容词，地点副词活短语补足语
  • The man is a teacher
  • Mary's new dresses are colorful.
  • My mother was in the kitchen.

Be动词的练习

  • They are teachers.
  • He was a teacher before.
  • He has been a teacher for three years
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