2019中考英语复习资料:Be 动词的用法归纳
2019-03-30 15:26:21中考网编辑
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be是一个多功能动词,在初级英语里可见四种用法:
功能一,系动词be
be为连系动词,中心词义是"是",句型为"主+系+表"结构。be的形式常用am, is, are(现在式);was, were(过去式);will/can/may/must be(助动词/情态动词+原形);have/has/had been(助动词+过去分词)等。如:
To help animals is helping people.(一般现在时)
The twins were very busy yesterday.(一般过去时)
It will be sunny tomorrow.(一般将来时)
