be后面加什么词性的词

be+名词The man is a science teacher.这个男子是一位科学教师；

be+形容词或副词This soup is very tasty.这汤很美味等。

用法

1、be+名词

The man is a science teacher.

这个男子是一位科学教师。

Bill Clinton was the president of the US.

比尔克林顿是美国总统。

2、be+形容词或副词

This soup is very tasty.

这汤很美味。

Mary’s new dresses are colourful.

玛丽的新衣服色彩鲜艳

3、be+动词ing形式连用表持续

We were walking down the street.

我们正走在街上。

My mother is watching TV in the room.

我妈妈正在房间里看电视。

4、be+介词短语

John and his wife are from Manchester.

约翰和他的妻子来自曼彻斯特。

The flowers are on the table.

花在桌子上。