必修三英语语法,should have done ,could have done,might,must,needn't等等之类的,什么'过去本应该做的却没做之类的…,觉得好乱,好多,很难记忆,在选择题中总选错,希望英语好的帮我解析下,如何用,区分

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必修三英语语法,should have done ,could have done,might,must,needn't等等之类的,什么'过去本应该做的却没做之类的…,觉得好乱,好多,很难记忆,在选择题中总选错,希望英语好的帮我解析下,如何用,区分
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必修三英语语法,should have done ,could have done,might,must,needn't等等之类的,什么'过去本应该做的却没做之类的…,觉得好乱,好多,很难记忆,在选择题中总选错,希望英语好的帮我解析下,如何用,区分
必修三英语语法,should have done ,could have done,might,must,needn't等等之类的,什么'过去本应该做的却没做之类的…,觉得好乱,好多,很难记忆,在选择题中总选错,希望英语好的帮我解析下,如何用,区分等,

必修三英语语法,should have done ,could have done,might,must,needn't等等之类的,什么'过去本应该做的却没做之类的…,觉得好乱,好多,很难记忆,在选择题中总选错,希望英语好的帮我解析下,如何用,区分
should have done只用于谈论过去情况,主要有两个用法：
用于推测过去已经发生的情况.如：
　　He should have arrived by now. 此时他本该到了.
用于指本该发生而实际上未发生的情况.如
Look at the time! We should have been at the theatre ten minutes ago. 瞧都什么时候了! 十分钟前我们就该到戏院了.
could have done
是虚拟语气,表示对过去事情的假设,意思是本来能够做某事而没有
He could have passed the exam, but he was too careless.
本来他能够通过考试,但是他太粗心.
might have done
表示对过去事情的推测,might与may意思相同,但可能性更小.多用于虚拟语气结构中.
She might have achieved greater progress, if you had given her more chances.
如果你多给她点机会,她可能已经取得更大的成绩.
希望老师能帮到你

必修三英语语法,should have done ,could have done,might,must,needn't等等之类的,什么'过去本应该做的却没做之类的…,觉得好乱,好多,很难记忆,在选择题中总选错,希望英语好的帮我解析下,如何用,区分 高中必修一英语语法填空 高一必修一英语语法 高中必修一英语语法总结 求高中必修四英语语法 请问三道高中英语语法题1.____you to take the train,you_____there much sonner.A.Should;would get B.Were;would get C.Could;might have got D.Had;should have got2.The evidence suggests that many____lived here and people at that time wore_____.A 请问英语语法动词Does he have a temperature动词have三单为什么不用has呢, 必修三 If you have a toothache,you should三条 If you have a stomachache,you should三条 If you have a sore back,you should...三条 请帮忙看一个英语语法what characters should a good teacher has?与what characters should a good teacher have?哪个语法是正确的? 三道英语语法题,1 、Not until the game had begun () at the sports groundA had he arrived B would he have arrived C did he arrive D should he have arrived这题选几?为什么,麻烦一定要说下为什么,最好具体点2、 This is top-secr 求外研版高一必修1英语语法全解 高一必修1英语语法 人教版的 急求高一人教版必修一的所有英语语法! 求高中必修一英语语法的总结 求 高中必修一英语语法总结