【解析】should have done:本应该做而没做某 事,强调"本来应该”; could have done:本可以做却没做某事,强调“本 来可以”; might have done:可能已经作了某事,强调猜 测。 前两个都是假设,是与实际情况相反的假设。第三 个是猜测。除此之外,should have done还明显含 有懊悔或责怪之意。 举例来讲: 小...
同学,你好~ 二者区别如下: 1、could have done意为“过去本能够做某事却未做。”,表示对过去事情的假设。例如: He could have looked over the papers in less than ten minutes. 他本可在10分钟内把文件翻看一遍的。 Had I been informed earlier,I could have done something. 我要是早得到通知,我就能...
解析 could have done :过去本来能够做到(某事)却没有做。例如You could have finished your homework yesterday, but you played too much. should have done:过去本来应该做(某事)却没有做。例如:You should have been here ten minutes earlier.祝你开心如意!
should have done:本应该做而没做某事,强调“本来应该”;could have done:本可以做却没做某事,强调“本来可以”;might have done: 可能已经作了某事,强调猜测.前两个都是假设,是与实际情况相反的假设.第三个是猜测.除此之外,should have done还明显含有懊悔或责怪之意.举例来讲:小明把家里的钥匙放在教室忘记...
"could have done"指的是"本可以做而没有做"或"能做而没有做"。例如： "You could have won the first prize if you have spent more time on it." 这句话意味着如果花费更多时间在比赛上，本可以赢得一等奖，但实际上并未这样做。"should have done"则可以有两层意思。首先，它表示"本应该...
百度试题 结果1 题目could hvae done=should have done 吗?相关知识点: 试题来源: 解析 不一样 could have done 指本能做而没做的 强调能力 而should have done 指本应做而没做的 强调事实 反馈 收藏
在虚拟语气中，"could have done"与"should have done"都涉及对过去情况的反思。它们在表述方式和含义上有明显区别。"could have done"指的是“本可以做而没有做”，即有做某事的能力或可能性，但实际并未执行。例如："You could have won the first prize if you had spent more time on it."...
1. must have done 表示对已经发生的事情的推测,意为“一定,想必”.这种结构一般只用于肯定句,其否定形式是can't (couldn't)have done ,表示“不可能,肯定不会”.例如: He didn't hear the phone. He must have been asleep.2. can(could)have done表示对过去的时间内可能发生的事情的猜测,can have ...
(1)could have done...多用于对过去事情的假设;而should have done...是对过去没有做的事情表达一种责备或内疚。 ① You could have caught the bus.(你本可搭上那班车。)表示假设能搭上。 ② You should have told be before.(你早该告诉我。)表达一种责备,暗指为何没有告诉我。
should have done:本应该做而没做某事,强调“本来应该”;could have done:本可以做却没做某事,强调“本来可以”;might have done: 可能已经作了某事,强调猜测.前两个都是假设,是与实际情况相反的假设.第三个是猜测.除此之外,should have done还明显含有懊悔或责怪之意.举例来讲:小明把家里的钥匙放在教室忘记...