考点 12 完毕进行时高考频度:★★★★★考向一 目前完毕进行时1
目前完毕进行时的定义目前完毕进行时表达某动作从过去某个时间开始,一直延续到目前,并且尚有也许持续下去
We have been waiting for him for two hours
目前完毕进行时的构造have/has been + doing3
目前完毕进行时所用的时间状语this month/week/year,these days,recently/lately,in the past few+时间段,since +时间点,for+时间段
They have been building the bridge for two months
They have been planting trees this month
这个月他们在植树
目前完毕进行时的使用方法(1)表达动作的延续The Chinese have been making paper for two thousand years
中国有 2,0 的造纸历史
(动作还将继续下去)I have been learning English since three years ago
自从三年前以来我一直在学英语
(表达在说话时刻之前刚刚结束的动作)We have been waiting for you for half an hour
我们已经等你半个钟头了
(动作不再继续下去)★ 有些目前完毕进行时的句子等同于目前完毕时的句子
They have been living in this city for ten years
They have lived in this city for ten years
他们在这个都市已经住了了
I have been working here for five year