could been
would have been与could have been分别是什么意思?
would have been的意思是：会是。could have been的意思是：可能是。如果
在英语里coms been、must been和may been和come have been...
你说的应该是can/could be、must be、may/might have been、must have been can/could be：表猜测，可能 must be:一定 may/might be：可能，语气比can/could弱 must...
it could be worse怎么翻译?
but implies that it could have been even more unfavorable. It is a way to find a silver lining or to highlight a positive aspect ...
couldhavebeen与wouldhavebeen有什么区别?
“could”和“would”的使用区分在于它们强调的方面不同：“could have + 过去分词”强调过去有执行某事的能力但并未执行。“would have + 过去分词”强调意愿或可能性，...
could 的用法
很简单，could 是情态动词的标志，后面只能加动词原形，要加be动词的话，只能加be,不能加been,being,
怎么理解这个句子里的 could be seen 用被动?
之所以用被动"he could be seen {by people}"而非"people could see him"，作者要表达的并非他人能够或可能看到的事实(could表示能力或可能)...或被倾听（同上）Only in this instance, that liewas toldto me. 他对我说谎（同上）My wallet hasbeen stolen. 不知道【doer】是谁...
if用于虚拟语气,主句用would,could,sould,might+动词...
“也许会”之意时,用could,might较好;有“应该会”之意时用sould 较好. if he had not been busy,he would/could/sould/might have helped you.他不忙的话,会/可能会/应该/...
They couldn’t have been on strike.这个英文句子中...
（结果没通过）由情态动词+have done组成的结构中，情态动词可以是would， may/might， should, must, can/could, ought to, need, 表示对...
could have been是什么时态
could，must，may，can这些类似的都是情态动词，后面要接动词原形。“用于if引导的非真实条件句中，可表示与事实相反或实现的可能性不大的情况。 扩展资料 一、情态...