留留恋恋
情态动词(could,should)+have done是表示对过去的虚拟,是虚拟语气的一种,有的人也称之为”责备结构“,因为译成中文意思有”本来可以;本来应该).说话者用这个结构往往语气有懊悔之意.eg.I should have told you last night.我本来昨晚上就应该告诉你的.你说的must have done确实是表示对过去的猜测.1、对过去的猜测eg.He must have hidden the ring in somewhere only he knew.他肯定是把戒指藏到了只有他自己知道的地方.2、对现在的猜测eg.-Do you know where is our new classmate from?你知道我们的新同学是哪里人吗?- He must come from Beijing.I can tell from his accent 他一定是北京人,听口音可以听出来.3、对未来的猜测(一般用will,或其他的副词,maybe,certainly will...)eg.Maybe he will come tomorrow.没准他明天会来呢.
Samantna523
猜测的英语是:guess它是一个动词。举例说明:You can guess it's right or wrong。你可以猜测,它是正确的还是错误的。以上是我的回答,希望能够帮助到你。