would ought to 作为情态动词通常用在肯定句疑问句还是否定句?

would ought to 作为情态动词通常用在肯定句疑问句还是否定句? ought to作为情态动词为什么没有过去式呢? 情态动词词语辨析should和ought to作为情态动词有什么区别吗? 什么情态动词也可以作实义动词用?请一一列举出来.do，be，have，can，may，need，must，dare，will，shall，used，ought，would，should，could，might，had better.请问：以上单词哪些可以作为实义动词时也 ought to是固定词组还是算单独一个情态动词 ought to 情态动词疑问ought to have not done 和 ought not to have done有什么区别?肯定是有区别的 ought也是情态动词,那么为什么它的后面就要加to?一般不是情态动词直接加动词的吗? 情态动词ought to和哪些情态动词的意义是完全一样的?什么情况用这个短语?哪个词跟他互换没有任何区别? would you like to go to the movies?中的would 是情态动词么? 情态动词表推测 情态动词表 英语：情态动词都有哪些?它们的意义和用法?（主要是在虚拟语气中的用法）比如：have to/need/must/ought to/would/will/shall/should/can/can't/may/might等等这些词都是怎么使用的? 英语情态动词解析The fire spread through the hotel very quickly but everyone get out.A.had to B.would C.could D.was able toIf he started at 9 0'clock,he be there by now.A.need B.shall C.ought to D.mustThe professor gave orders that the experim 情态动词练习!``1.would you like to see the play tonight?I ____ meet you at the gate of our school.a.will b.may c.must d.ought to这题到底是选A 还是选B 我自己觉得因该是选B那样好象更符合这个句子的意思.可答案是 情态动词练习!请问这两题选撒?最好能说下理由.1.would you like to see the play tonight?I ____ meet you at the gate of our school.a.will b.may c.must d.ought to 2.i ___ get this done immediately or it will be too late.(麻烦也把这 need做情态动词要不要与to连用还有dare,ought 这几个既可做情态动词又可作实意动词的词,做情态动词要不要与to连用 should may might would could can ought to must 语气强弱程度