完成时具体的语法知识
来源:学生作业帮 编辑:百度作业网作业帮 分类:英语作业 时间:2024/06/18 01:53:20
完成时具体的语法知识
![完成时具体的语法知识](/uploads/image/z/17821455-15-5.jpg?t=%E5%AE%8C%E6%88%90%E6%97%B6%E5%85%B7%E4%BD%93%E7%9A%84%E8%AF%AD%E6%B3%95%E7%9F%A5%E8%AF%86)
现在完成时:have/has done时间状语:already ,yet ,since ,so far(到目前为止) up to now(到目前为止) recently.in the past /last years在过去的几年中
现在完成进行时:have/has been doing
过去完成时:had done时间状语;by,before等介词,told,said,knew,heard,thought,think,want,hope,mean,plan,intend,hardly…when…,no sooner…than…,It was the first (second,etc) time (that
现在完成进行时:have/has been doing
过去完成时:had done时间状语;by,before等介词,told,said,knew,heard,thought,think,want,hope,mean,plan,intend,hardly…when…,no sooner…than…,It was the first (second,etc) time (that