高中英语高考高考英语语法总复习课件：情态动词课件

这是一份高中英语高考高考英语语法总复习课件：情态动词课件，共33页。PPT课件主要包含了90%，-90%，%-80%，虚拟语气，本能做而没做，埋怨的语气，最容易考到，疑问句条件句等内容，欢迎下载使用。

情态动词考点总结一、情态动词的基本用法1.表推测：must, shuld, ught, may, might, can, culd,may nt, can’t2.表能力：can, culd3.表许可：can, culd, may, might4.表义务与责任：must, have t, shuld, ught t5.表意愿、意见和建议：shall, will, wuld
情态动词是语法填空设题要点之一
二、情态动词表推测三、情态动词+have dne 虚拟语气四、情态动词表示特殊语气eg:shuld竟然五、情态动词的习惯表达法might as well
一 .情态动词基本用法can/culd1.表示“能力” 例：Can yu play the vilin?2. 表示“允许”，culd表示更加委婉的语气例：—Culd I smke here?—Yes, yu can.3.表示“推测”，用于否定句、疑问句或感叹句中例：Can this be true?It can’t be true.不可能4.表示“有时可能”，用于肯定句中例：Little bys can be very annying smetimes.
may/might1. 表示 “允许”, 用于肯定句和疑问句, might语气委婉。can >may>culd>might例：—May I ask yu a questin?—Yes, yu can./ N, yu can’t.2. 表示“推测”，一般不用于疑问句中 may nt 可能不 can nt不可能例：Yu might be right, but I’m nt sure.3. might have dne表示对过去的推测，或“本可以做…(却没做)”例：That’s t dangerus. Yu might have killed yurself.
must1. 表示“必须”，强调主观上的必须。have t 不得不，强调客观，有时态上的各种变化。例：I dn’t like t stay any lnger; I must leave nw.It’s t late, I have t leave nw.2. 表示“一定是”，可能性很高的推测。>90%例：He must be in, fr the light is n.
3. mustn’t表示“禁止”，Yu mustn't park here.否定句中若要表示“不必”，用needn’t例：—Must/Need we finish the wrk tday?—Yes, yu must./N, yu needn’t./N, yu dn’t have t.4. 表示“偏要，非要”，指令人不快的事。用于疑问句和条件句中。(常考）If yu must g, at least wait until the strm is ver.
4. will/wuld 作为助动词，构成将来时态1.表示主观意愿或决心，可用于一、二、三人称。例：If yu’ll help me, I will g with yu.2.表示请求，用于第二人称，wuld语气更委婉。例：Wuld yu mind clsing the dr?3.表示习惯性的动作或倾向，“总是，常常”例：When I was a little child, I wuld g swimming withther children in summer.used t d过去常常现在不做了wuld d过去常常有可能现在还在做
5. need/dare 情态动词：没有人称和数的变化，直接接动词原形，构成否定和疑问时不用助动词。实意动词：有人称和数的变化，构成否定和疑问时借 need t d助助动词d，des，did口诀： need，dare真诡异，既有情态又实意。情态动词把t退，实意动词t跟随。need ding是特例，=need t be dne需牢记。need /want/ requir ding表被动=need /want/ requir t be dne
shall1. 征求对方意见或建议，用于第一、第三人称。例：Shall we g nw?2. 表示允诺、警告、命令，用于第一，二、三人称。例：All f us shall arrive befre 5 ’clck.3. 表示规章、法令、制度的规定，“必须”=must law,rule做主语时例：The law f Venice says that if anyne tries t kill rmurder any citizen f Venice, everything that he wns shallbe taken away frm him.
shuld/ught t1.表示“应该”，义务、建议或劝告例：Yu shuld learn frm the mistakes f us.2.shuld have dne/ught t have dne本该做某事(而没有做)，含有一种责备和埋怨的语气。例：Yu shuld have dne it as yesterday was the deadline.3.表示推测，可能性不如must，表示一种更为谨慎的推测表推测must /shuld/ can/ may/ might/ culd/ can't/ may nt
三、情态动词+have dne
wuld rather当做情态动词
四、情态动词表示特殊语气
五、情态动词的习惯表达法1. cannt… enugh/t much 越…越好，无论…也不过分例: Yu can’t remember enugh English wrds.=Yu can’t remember English wrds t much2. cannt d sth but d sth. 只好，不得不(否定前面肯定后面）例: I can nt say a wrd but leave.3. may/might well d sth. 很可能=be likely t d sth.例: He has changed s much that yu may well nt recgnize him.4. may/might as well d sth. 最好=had better d sth.例: Yu may as well stay here ver the night.=Yu had better stay here
5. (1) used t/wuld/be used tused t d 过去常常做某事（现在不这样了）wuld 过去习惯性的或重复性的动作例: Peple used t believe that the sun mves rund the earth.He wuld sit in the yard listening t the radi every evening.(2) be/get used t ding 开始习惯做某事例: Have yu gt used t living n yur wn?(3) be used t d 被用来做某事(被动）use A t d B例: Stne can be used t build bridges and huses.
【例1】 My bk, The Huse f Hades, is missing. Wh _____ have taken it?A. needB. mustC. shuld D. culd【例2】 I still remember my happy childhd when my mther ______ take me t Disneyland at weekends.A. mightB. mustC. wuldD. shuld
【例1】 My bk, The Huse f Hades, is missing. Wh _____ have taken it?A. needB. mustC. shuld D. culd表推测，排除A, B不用于疑问句，culd have dne过去可能【例2】 I still remember my happy childhd when my mther ______ take me t Disneyland at weekends.A. might推测，允许B. must推测，必须C. wuld过去常常D. shuld
【例3】 I ______ myself mre — it was a perfect day.A. shuldn’t have enjyedB. needn’t have enjyedC. wuldn’t have enjyedD. culdn’t have enjyed【例4】 The dr ______ pen, n matter hw hard she pushed.A. shuldn’tB. culdn’tC. wuldn’tD. mightn’t
【例3】 I ______ myself mre — it was a perfect day.A. shuldn’t have enjyedB. needn’t have enjyedC. wuldn’t have enjyed对过去习惯推测，本来打算D. culdn’t have enjyed形容词或者副词比较句的否定表示最高级，I myself mre,我玩的再开心不过了，这是最完美的一天【例4】The dr ______ pen, n matter hw hard she pushed.A. shuldn’tB. culdn’tC. wuldn’t习惯性或者倾向性的行为D. mightn’t
【例5】 One f ur rules is that every student ______ wear schl unifrmwhile at schl.A. mightB. culdC. shallD. will【例6】 I ______ use a clck t wake me up because at six 'clck eachmrning the train cmes by my huse.A. culdn'tB. mustn'tC. shuldn'tD. needn't
【例5】 One f ur rules is that every student ______ wear schl unifrmwhile at schl.A. mightB. culdC. shallD. will law,rule做主语时，表示规章、法令、制度的规定，“必须” 【例6】 I ______ use a clck t wake me up because at six 'clck eachmrning the train cmes by my huse.A. culdn'tB. mustn'tC. shuldn'tD. needn't不必
【例7】 I ______ thank yu t much fr all yur help t my sn while we were away frm hme.A. wn’t B. can’t C. can D. will