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I'musuallyatwork!Iusuallystayathome!这两句话里系动...I'musuallyatwork!Iusuallystayathome!这两句话里系动词的存在与否和usually的关系?

题目详情
I'm usually at work!I usually stay at home!这两句话里系动...
I'm usually at work!I usually stay at home!这两句话里系动词的存在与否和usually的关系?
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答案和解析
简单说 如果有了be动词 am is are, 那句子就不能出现其他谓语动词,例如stay