谢邀。现在完成时的标志词有如下几例：already（肯定）yet（否定/ 疑问）just, before, recently, still, lately, never, ever, never, twiceon several occasionin the past/ last few days/ weeks/ months/ years(up to) these few days/...

发布时间：2025-10-31 浏览量：4