摘要: 一、完成时态 have + done(过去分词) 4中失态 I have done my homework by now. //现在完成时 I had done my homework by last week. //过去完成时 I will have done my homework by nex 阅读全文
posted @ 2022-04-11 12:59 素染年华 阅读(120) 评论(0) 推荐(0) 编辑