since ten years since ten years ago区别

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 17:42:15
since ten years since ten years ago区别

since ten years since ten years ago区别
since ten years since ten years ago区别

since ten years since ten years ago区别
你貌似写错了吧,应该是for ten years
因为since是加时间点,不可能加时间段的,是for加时间段
for ten years=since ten years ago,且都用于现在完成进行时
举个例子就是:
I have been collecting kites (for ten years)或(since ten years ago)