I skated for four hours与I have been skating for four hours的区别最好详细点,说的明白点
问题描述:
I skated for four hours与I have been skating for four hours的区别最好详细点,说的明白点
答
前者是曾经某次滑冰滑了四小时。后者是已经滑了四小时,现在仍在继续。
答
I skated for four hours 过去时,过去的某个时间我滑冰滑了四个小时.
I have been skating for four hours 强调已经,我已经滑了四个小时冰.skating,现在还在继续.