学习知识|be动词怎么用,什么情况下用be动词( 五 )


A great misfortune befell him.
一场大难降临到他的头上 。

be动词的用法是什么 be动词意思和用法很多 , 一般的意思是是 , 此种用法 , 有多种变化形式 , is , am , are , was , were , being , been , to be.另外 , be动词还有成为的意思 。
现在时 I am, you are, he is, we are, you are, they are (缩略式 I'm, you're, he's, we're, you're, they're), (否定缩略式 I'm not, isn't, aren't)
过去时 I was, you were, he was, we were, you were, they were (过去时否定缩略式 wasn't, weren't)
过去分词 been
现在分词 being

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