情态动词有情有义你叫什么名字？你电话多少？MayMayIhaveyourname,please?Ihaveyourname,please?CouldCouldIkeepyourphonenumber?Ikeepyourphonenumber?What’syourWhat’syourname?name?What’syourWhat’syourphonenumberphonenumber？？情态动词的本质=-表示情感或者态度的助动词couldcanwouldmaywillshouldoughttomustshallmight一.分类一心两用needdare拖儿带女will(would)can(could)shall(should)may(might)独门独户mustoughtto背景知识肯肯否否+not+not+not/n’t+not/n’t+not/n’t+not/n’tDoesn’t/don’t/didn’t+Doesn’t/don’t/didn’t++not/n’t+not/n’t或或肯定及否定形式肯定及否定形式半助动词n’tn’t正常提问与回答半情态V：Do/Does/Did（+not/n’t）+主语+need/dare+其他?Yes,主语+do/does/did.No,主语+don’t/doesn’t/didn’t.句子=主+谓+其他情V(n’t)提问：情V(n’t)+句子？回答：Yes,主语+情v.No,主语+情vn’twill(would)can(could)shall(should)may(might)mustought(not)toneeddare情态V一)、非推测性用法-考察词义辨析1.词义及用法;2.同义区分;二)、推测性用法-考察可能性的强弱1.类型2.比较强弱二.用法拖儿带女型will(would)将；愿意；邀请（用于疑问）can(could)能，可以Shall将会;必须;应该(用于第一人称，征求意见)(should)将会;必须;应该;(间接引语，征求意见)，竟然may可以;祝愿(might)可以一一))、非推测性用法、非推测性用法1.词义及用法：独门独户型must必须oughtto本该一心两用型deed需要dare敢区分1基本用法：could，would，might，should是四个独立的情态动词，只有在直接引语变成间接引语时作为will，can,shall,may的过去时代用一下Shallwebeginnow?Heaskedifweshouldbeginnow?2.同义区分区分2：社交口语中，同义情况下，would,could,should,might比原型更委婉、礼貌。你今晚来吗？你能帮我吗？你或许能帮我个忙吧?Wouldyoucometonight？Couldyouhelpme?Youmightdomeafavor?一般上指“自己允许别人做某事”（may较正式）canmay同义，语气较委婉couldMight区分3—请求许可--Can/May/Could/MightIuseyourdictionary?--Yes,youcan.(No,Iamafraidnot/Yes,please./Thanks)May引导问句，肯定回答，Yes,ofcourse./Yes,certainly./Sure否定回答：No,youmustn’t（不准）.No,youneedn’t.No,youcan’t.Must引导问句，（must与haveto意思大致相同）肯定回答:must否定回答：Needn’t/Don’thaveto.区分4—建议请求WillWill多用多用第二人称第二人称疑问句；疑问句；WouldWould（（willwill的过去式，委婉）的过去式，委婉）ShallShall多用多用第一人称第一人称疑问；疑问；Should(Should(间接引语间接引语))；；Can/mayCan/may多用第一人称疑问，多用第一人称疑问，““求得认可”求得认可”youopenthewindowplease?Ifeelabithothere.youliketoseethefilm?weseethefilmtogether?Isingasongforyou?WillWouldShallCan/May--Shallwetalk?--Shallhecometoseeyou?No,you_____.否定回答May------can’t,mustn’tShall,must-----needn’t,don’thaveto（没必要）needn’t注意添加否定词的含义mustn’tmustn’t不准不准,,禁止禁止needn’tneedn’t没必要没必要(=don’thaveto)(=don’thaveto)maynotmaynot不可以不可以;;shouldn’tshouldn’t不应该不应该(=oughtnotto)(=oughtnotto)补充（1）wouldlike意为“想要，愿意”，相当于want，但比want语气委婉。①wouldlikesth.想要某物Iwouldlikesometea.②wouldlike(sb)todosth.想要干某事Iwouldliketogowithyou.(2)Wouldyouliketodosth?“你愿意干某事吗？”Yes,I’dlike/loveto;Sorry,Iamafraidnot.再说明原因。牢记搭配宁愿做wouldratherdo…wouldprefertodo...最好做•hadbetterdo...区别区别55半情态动词半情态动词NeedNeed需要需要(sb.)needtodo(sb.)needtodo(sth.)needtobedone(sth.)needtobedone(sth.)needdoing(sth.)needdoingDareDare敢敢;;daretododaretodo实义V情态vdoes/don’t/didn’t+does/don’t/didn’t++not/n’t+not/n’t+do+do必杀：接todo动刀（主语为复数除外）和接do不动刀needn’t/dare...
