perfect-progressive

perfect-progressive什么意思,perfect-progressive翻译

基本解释

网络: 完成进行式；过去完成进行；完成进行态

例句

• The "present perfect progressive" is made with have been followed by an -ing form.

  havebeen后面跟动词-ing形式，构成‘现在完成进行时’

• Simple present perfect and present perfect progressive tenses

  一般现在完成时和现在完成进行时

• Simple past perfect and past perfect progressive tenses

  一般过去完成时和过去完成进行时