神马作文网完成时具体的语法知识
来源：学生作业帮 编辑：神马作文网作业帮 分类：英语作业 时间：2024/11/14 05:59:46
完成时具体的语法知识
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