huanhuancheng
幼苗
共回答了18个问题采纳率:94.4% 举报
现在完成时:过去的动作结果对现在的影响.
have/has+pp(过去分词)
I have finished the work.
The man has died.
现在完成进行时:近期内一起在做的某事,那动作到说话时有可能还在进行,也可能刚刚结束.
have/has been doing
The workers have been painting the wall since last night.
A heavy sonw has been falling all day.
注:love,hate,know,see,hear,like want,come,be,have绝不用于现在完成进行时.
过去时:只说明以前曾发生的事,与现在无关.
谓语动词用过去式.
They went to the Great Wall by car.
1年前
9