解析 二6.【答案】could be running【核心短语/词汇】could be doing sth.:可能在做某事【解析】could be doing sth.:可能在做某事;run:跑步,所以答案为could be running。7.【答案】wearing【核心短语/词汇】suit 西装,套装【解析】本题考查短语be wearing “穿着”,故答案为:wearing ...
could be doing sth. 可能正在做某事它是情态动词+be+ doing的结构,表示说话人推测句子的主语有可能正在做某事,说明对正在发生的事情的推测。— Where is Jim? 吉姆在哪儿?— I think he could be watching TV at home. 我想他或许正在家看电视。Our P.E. teacher is swimming. He ___ swimming for...
试题来源: 解析 They have little appreciation for the damage they could be doing 结果一 题目 sth+could+be +doing造句 答案 They have little appreciation for the damage they could be doing 相关推荐 1 sth+could+be +doing造句 反馈 收藏
They have little appreciation for the damage they could be doing
我读完了你整个句子,如果单从"could have been doing sth"这句话来判断,是不知道什么意思的..首先你先要知道“could+have+过去分词”的10种用法:一、表示主观猜测 即对已经发生动作或已经存在的状态作出主观上的猜测，通常可译为“可能(已经)”，有时需根据具体语境来翻译。如：We could not have ...
销型 期(1)sb. could/might sth.某人可能正在做某事。(2)sb. must sth. 某人一定做过某事。(3)主语 + be one of + the 形容词+名词 .… …是最 … …的… …之一。(4)。我认为不是这样的。(5).. . doing sth + 地点. 在某地一定有 … …在做… …。(6).我猜是这样的。
例如:She must/may/might/could arrive before 5.表示对正在发生的事情的推测:“情态动词+be doing sth."例如:He must/may/might/could be listening to the radio now.句式表示对过去或已完成的事情的推测:“情态动词+have done sth.”例如: It must/may/might/could have rained last night. The ground ...
Could you speak English then？ 那时候你会说英语吗？2. 当表示过去的特定能力时，则不能用could，而用was/were able to、managed to do sth或succeeded in doing sth等。如：He studied very hard and was able to pass that exam. 他学习非常努力，所以考试能及格。At last he succeeded in ...
② 若表示过去的特定能力(即在过去特定场合做某事的能力),则不能用could,而用was (were) able to do sth,或用 managed to do sth,或用 succeeded in doing sth 等. He studied hard and was able to pass the exam.他学习很努力,所以考试能及格. At last he succeeded in solving the problem.他终于...
而dare作实义动词用时, 后面的to 时常可以被省略。（1）实义动词： need（需要, 要求）need + n. / to do sth （2）情态动词： need，只用原形need后加do，否定形式为need not。（3）need 的被动含义：need, want, require, worth（形容词）后面接doing也可以表示被动：