be动词ing是什么时态

2024-03-11 16:58:12   文档大全网     [ 字体: ] [ 阅读: ]

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时态,动词,什么,ing
be动词ing是什么时态

be动词后不一定加动词ing,也可以加动词ed(过去分词)be+动词ing表示进行时态,be+动词ed表示被动。

She was watching TV at this time last night.(was+watching体现过去进行时结构)

扩展资料

“Be+现在分词”以组成进行式时态(Continuous Tenses),如: Tony's maid is washing his new car. The children are playing in the field. Samuel was eating when I came in. We have been living here since 1959. 形式:

有不同的be动词,基本上为: am,is,are,was,were,been,being,be 被动语态:

被动语态的基本结构为be+doneBe动词+动词过去分词) 一般现在时:am/is/are+done 一般过去时:was/were+done 一般将来时:will+be+done

现在进行时:am/is/are+being+done 过去进行时:was/were+being+done 现在完成时:have/has+been+done 过去完成时:had+been+done 一般构句:

代词/专有名词+be+普通名词(如我们是亲兄弟) 代词+be+专有名词(如我是爱丽丝)

代词/专有名词+be+物主代词+普通名词(如我是你的亲姐妹)


当“be”要在祈使句中出现时,陈述句可借助助动词“do”,否定句必须在前加上助动词“don't”,如:

Don't be silly! Do be obedient! Be careful! Don'tbe a fool!


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