英语语法入门：be动词

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The verb be has the following forms:be动词有下列形式：
       

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        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：
        My mother is a teacher.
        Bill Clinton was the president of 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 continuous aspect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 house was built in 1890.
        The street is called Montagu Street.
        This car was made in Japan.
        3. with a prepositional phrase:与介词短语连用：
        John and his wife are from Manchester.
        The flowers are on the table.