Have you done your homework yet?Yes I finished it a momeng ago后面回答的句子中,finish为什么要用一般过去时而不用现在完成时?
问题描述：
Have you done your homework yet?Yes I finished it a momeng ago
后面回答的句子中,finish为什么要用一般过去时而不用现在完成时?
答
a moment ago 是过去的时态，像last year, just now等；而像since.....,yet,already等是现在完成时
答
ago 是一般过去时的标志
答
a moment ago 表示我刚做完,姑用完成时.用Yes,I've already finished it.也可
不懂可再问哦!