神马作文网完成时的各种时态
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：2024/11/13 22:43:09
完成时的各种时态
有现在完成时,过去完成时,将来完成时,过去将来完成时；
现在完成进行时,过去完成进行时,将来完成进行时,过去将来完成进行时．
现在完成时：
1.概念：过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态.
2.时间状语：recently,lately,since…for…,in the past few years,etc.
3.基本结构：have/has + done
4.否定形式：have/has + not +done.
5.一般疑问句：have或has.
6.例句：I've written an article.
The countryside has changed a lot in the past few years.
过去完成时：
1.概念：以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”.
2.时间状语：before,by the end of last year(term,month…),etc.
3.基本结构：had + done.
4.否定形式：had + not + done.
5.一般疑问句：had放于句首.
6.例句：As soon as we got to the station,the train had left.
By the end of last month.We had reviewed four books
将来完成时：
1.概念：在将来某一时刻之前开始的动作或状态
2.时间状语：by the time of;by the end of+时间短语（将来）;by the time+从句（将来）
3.基本结构：be going to/will/shall + have done
现在完成进行时:
1.概念：在过去某一时刻之前开始的动作或状态一直持续到说话为止
2.基本结构：have/has +been+doing
过去完成进行时：had been doing
将来完成进行时：be going to/will/shall + have been doing
给你列举了几个常用的其他的高一都用不到.
希望对你有所帮助!
现在完成进行时,过去完成进行时,将来完成进行时,过去将来完成进行时．
现在完成时：
1.概念：过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态.
2.时间状语：recently,lately,since…for…,in the past few years,etc.
3.基本结构：have/has + done
4.否定形式：have/has + not +done.
5.一般疑问句：have或has.
6.例句：I've written an article.
The countryside has changed a lot in the past few years.
过去完成时：
1.概念：以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”.
2.时间状语：before,by the end of last year(term,month…),etc.
3.基本结构：had + done.
4.否定形式：had + not + done.
5.一般疑问句：had放于句首.
6.例句：As soon as we got to the station,the train had left.
By the end of last month.We had reviewed four books
将来完成时：
1.概念：在将来某一时刻之前开始的动作或状态
2.时间状语：by the time of;by the end of+时间短语（将来）;by the time+从句（将来）
3.基本结构：be going to/will/shall + have done
现在完成进行时:
1.概念：在过去某一时刻之前开始的动作或状态一直持续到说话为止
2.基本结构：have/has +been+doing
过去完成进行时：had been doing
将来完成进行时：be going to/will/shall + have been doing
给你列举了几个常用的其他的高一都用不到.
希望对你有所帮助!