be动词有下列形式：
The verb be is used in the following patterns:
be动词通常用在下列形式：
1. with a noun:
与名词连用：
Bill Clinton was the presidentof the US.
2. with an adjective:
与形容词连用：
This soup is very tasty.
The children were good.
2.1 with the -ing form to make the continuousaspect
与动词ing形式连用表持续
We were walking down the street.
Everything was wet. It had been raining for hours.
2.2 with the -ed form to make the passive voice
与动词ed形式连用表被动
The street is called Montagu Street.
This car was made in Japan.
3. with a prepositionalphrase:
与介词短语连用：
John and his wife are from Manchester.