导图社区 英语情态动词的用法以及常见结构梳理思维导图
一张图掌握英语情态动词。该图涵盖can/could、may/might、will/would、dare、need、must、should、shall等情态动词常见结构与用法。早学早受益。
编辑于2019-12-30 09:03:48情态动词
can/could
请求和允许(Permission)
can用来回答
Could i use your dictionary? yes,you can.
could语气委婉
能力(Ability)
can表,现在,将来
She can swim, but she couldn't last year.
could表过去,
可能性Possibility,常用于否定句中
can VS be able to
“能力”互换
过去时,could一般能力,was/were able to do=manage to do.
can't …too…再…也不为过
You can't be too careful when crossing the street.
may/might
允许
May i ask where you were born? Yes, you may./No, you mustn't/may not.
可能
不用于否定,疑问,might只有语气无时态
祝愿
May you succeed!
may/might …as well may/might as well 不妨…,还是…的好
You may as well stay here.
will/would
疑问句,请求建议,would和won't语气更委婉无时态, Would you提问,will回答.
意愿Willingness 意图Intention 决心Determination 承诺Promise =be willing to
表示,“没有固定时间的习惯性动作或某种倾向” 过去时,would=used to
Boys will be boys.
Tom will talk for hours if you give him a chance.
shall
用于,第一三人称 疑问句中,“征求对方意见或向对方请示”
shall he come tomorrow?你要他明天来吗
第二三人称肯定句,命令,警告,强制,允诺
You shall do it, whether you want it or not.
you shall pay for it.
should
劝告建议,“应该” 道义上的责任义务,ought to
We should/ought to learn about the computer and make full use of it.
You are hus father, you ought to take care of him
推测,可能,“按道理应该”
一般结论后面加证据,推测
说话人的感情,惊奇,愤怒,失望
Why should I go?
She should be so stubborn.她竟然
must
必须Necessity,语气更强烈 否定提问用needn't或doesn't have to. mustn't表禁止,劝告,主张.
You mustn't miss the movie.
must和have to must必须 have to不得不
推测Deduction must只用于肯定句,在否定中用can't/couldn't和can/could 形式must be /do must be doing must have done
推测强度 Must will would ought to should can could may might
need
疑问句,肯定回答must 否定needn't
实意动词
need doing被动
dare
否定疑问条件句中居多
实义动词,肯定句dare to 否定疑问句,dare
I dare to jump down from the top
She doesn't dare face her teacher.
情态动词+have done
must have done过去一定做过 can't/couldn't have done过去一定没做过
I must have seen you somewhere. The room can't have been cleaned.
may/might have done 没那么肯定
could have done 本能够做但没能成,唉
should have done/ought to have done 本应该,却没有 should not have done/ought not to have done.本不该干啥非得干
They ought to have completed their work much earlier.
You shouldn't have left your son alone at home.
needn't have done本来不用干非得没事找事