Where must the puma have come from 是询问对方对已发生过情况的推测，意思是 “（当前的）这只美洲豹一定会来自什么地方？” Where did the puma come from 是对过去存在情况的询问，意思是 “(过去的) 那只美洲豹来自哪里？”。
这是现在完成时和过去式的区别，现在完成时：有一只美洲豹抽来了，它能从哪来的呢？（这只美洲豹下落不明）过去时：曾经有只美洲豹出来了，它能从哪来的呢？（这只美洲豹很可能被捉住了，或死了）
Lesson 1 Where must the puma have come from? Pumas are large, cat-like animals which are found in America. When reports came into London Zoo that a wild puma had been spotted forty-five miles south of London, they were not taken seriously. However, as the evidence began to accumulate, ...
发生在过去的过去 用过去完成时 既然是过去完成时 had+过去分词 自然是had come from came 是come的过去式哦 肯定是不能用在这里的 原形come---过去式came---过去分词come
例句 释义: 全部
aIf you did not receive any activation email, or the activation code did not work for you, 如果您没有接受任何活化作用电子邮件,或者活化作用代码没有为您运作,[translate] aSnap tight lids 短冷期紧的盒盖[translate] aPROFESSIONALLY DRY 专业地干燥[translate] ...
Donovan Mitchell left his mark on the basketball shoes market about as quickly as he did the NBA as a whole. The young star gets stronger every season and his D.O.N. line follows suit. Issue 6 is the latest of the range and is set to be the most popular thanks to Lightstrike cushio...
分享回复赞 英语吧 萧南生13 求助小伙伴,where 引导的是地点状语从句还是定语从句呢The hunt for the puma began in a small village where a woman picking blackberries saw‘a large cat’only five yards away from her。 分享2赞 英语吧 zy515643188 求助where引导的地点状语这么抽象?这句话我找了好几个翻...
a这次我们代表中国队去打比赛 This we represent the Chinese team to participate the competition [translate] a我不知道他住哪儿 I did not know where he does live [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 意大利语翻译 荷兰语翻译 瑞典语...
The Great One could have kick-started something with a few stinging words after kicking the Canucks’ jocks around, but did something even worse: he showed pity. “Hopefully this franchise (Vancouver) can turn around,” Gretzky said at the time. “I think (first-year Canucks coach) Tom Wat...