是的过去式was,are的过去式were
am/is=was are=were反意成汉语
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相关问题
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用am ,is ,are ,was ,were填空
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用am,is,are,was,were填空.
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1、用 am ,is ,are ,was ,were ,填空
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英语造句请用is\am\are+p.p was\were+p.p is\am\are+being+p.pwas\were
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am,is,are,be,been,was,were的区别
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be动词（am\is\are)---was\were这些怎么理解?
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am/is/are的过去时分别是was还是were?
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are is were was am 分别是什么主语的be动词
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英语主谓一致什么时候用am.is.was .are.were been done
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英语翻译am/is—was are—were become—became begin—began bring—broug