are is were was am 分别是什么主语的be动词
来源:学生作业学帮网 编辑:学帮网 时间:2024/05/18 14:03:03
are is were was am 分别是什么主语的be动词
(are were:)you we they( is was:)he she (am)i
只是were was用于过去时
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来源:学生作业学帮网 编辑:学帮网 时间:2024/05/18 14:03:03
are is were was am 分别是什么主语的be动词
(are were:)you we they( is was:)he she (am)i
只是were was用于过去时