Be动词的形式和用法
Be动词的形式:
Be, is, am, are, was, were, being, been
1. The man is back. 那个男人回来了。
2. They are back. 他们回来了。
3. He was back. 他回来了(was那个时候)。
4.They were back. (他们回来了(were 是was 的复数形态,那个时候)
5.They have been back. (他们已经回来了)
Be动词的用法
后面接名词、形容词、地点副词或短语作补足语。
1. The man is a teacher. 这个男人是老师。
2. mary's new dresses are colorful. #玛丽的新裙子是五颜六色的。
3. My mother was in the kitchen. #我妈妈在厨房里。
注意: Be动词的作用是联系的作用,
Be动词的练习
1. 他们是老师。(They ,teachers)
They are teachers.
2. 他以前是一名老师。(he,a teacher,before)
He was a teacher before.
3.他已经当了3年的老师了。(for 3 years)
He has been a teacher for 3 years.
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