your family has owned a boat for over 80 years 对 over 80 years 提问这里owned作什么成分整

分类: 作业答案 • 2021-12-31 10:40:05

问题描述：

your family has owned a boat for over 80 years 对 over 80 years 提问这里owned作什么成分整
句话是过去完成时吗

答

How long has your family owned a boat?
owned作谓语
是现在完成时
不是过去完成时
现在完成时：have/has done
过去完成时:had done

your family has owned a boat for over 80 years 对 over 80 years 提问 这里owned作什么成分 整