2022-09-25 现在完成时的标志词(8种时态的表示，谓语动词的变化，标志词)
一般现在时do eg:Heplaysthecomputergameseveryday. 一般过去时did eg:IlostmybikelastSunday. 一般将来时willdo/be+doing/begoingtodo eg;IwillvisitmyuncleinBeijingnextweek. I'mgoingtoBeijingtomorrow. I'mgoingtovisitmyuncleinBeijingn... [了解更多]
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