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动词用法:谓语动词:情态

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2021-02-28 16:52
tags:

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2021年2月28日发(作者:ardell)


动词复习导图



1.


动词的分类



实意动词:





及物动词



vt..


不及物动词



vi.


系动词


-(am, is, are, was, were)


2.


感观动词:


see, hear, sound, smell, taste, touch, feel


3.


表象:


look, seem


4.


变化


: get, become, turn, fall, grow, run, go


5.


保持:


stay, keep, remain


6.


“终止”


prove, turn out to be


非实意动词















情态动词


: can could shall should will would may might
















助动词


: Be- am, is, are, was, were being been





















Do- does, did, doing, done






















Have- has, had ,had





















Will- would





















Shall- should


2.


动词的变形



do, does, did, to do, doing, done




规则变化与不规则变化



第三人称单数



动词加


ing


过去式、过去分词规则变化与不规则变化






3.< /p>


动词在句中的用法












时态



谓语







语态












情态






















to do











doing


非谓语





done












4


.动词的命题方式



5.



练习










(



)


动词的用法



第一:谓语动词


---


时态

< p>
----


语态


---


情态



一、时态




★必背时态结构




过去时



现在时



将来时




一般态



do


did


do/does


will do


进行态



be doing


was/were doing


am/is/are doing


will be doing


完成态



have done


had done


have/has done


will have done


二、语态




常见时态的被动语态结构



1.



一般现在时:



am/is /are done


2.



一般过去时:



was/were +done


3.



一般将来时:



will be done



4.



现在进行时:



am/is/are being done


5.



过去进行时:



was/were being done


6.



现在完成时:



have/has been done


7.



过去完成时:



had been done



三、情态







情态动词表示说话人的语气和情态。如需要、可能、愿意、怀疑等。情态动

< br>词有一定的词义,


但不完整,


必须和主要动词的原型一起 构成谓语。


常用的情态


动词有:


can , could, may, might, must, have to, ought to, need, dare, shall, will, should,


would, be able to,


及半情态动词


be to do, had better


等。




1.


情态动词有一定的意义,只表示期待或估计某事的发生, 不能表示正在发生或已经发生


的事情。




2.


没有人称和数的变化,即情态 动词第三人称单数不加


-s





3.


不能独立使用,它和后面的动词构成谓语。



4.


情态动词




ought



have


外,后面只能接动词原形



5.



情态动词没有非谓语形式,即没有不定式,分词等形式。






只作情态动词的









can/could, may/might, ought to, must


可情态可实义的







need, dare


可情态可助动词的



shall/should, will/would


相当于情态动词的



have to


1.



must & need & have to


情态动词



must


含义



表必要“必须”



表推测“一定“



否定式



needn’


t


不必



can



t


“不可能“



注意点



区别


have to


有时表


“偏要”


只能用于肯定句,不


能用于否定、疑问句



注意:



1) must


表示推测时,



只能用于肯定句。



must do





















对一般时的肯定推测



must be doing










对现在的动作进行肯定推测




must have done








对过去发生的事情作出的肯定判断



e.g.


他们买了一辆新车。



他们一定很有钱




他现在一定在看小说




路是湿的。昨天晚上一定下雨了。





2)



need



1.

作情态动词时


,


仅用于否定或疑问句


,


后接动词原形


,




需要




You


needn’t


return the book now.



--- Need he start from the beginning?




























--- Yes, he must.




























--- No, he


needn’t/doesn’t have to.


















t have done


表示做了本不必要做的事情


,

< p>
意为



本不必要


…”



Our color TV set is still good enough. You


needn’t have bought


a new one.


3.

< br>作实义动词时


,


表示



需要



,有人称、时态、和数的变化

< p>


He needs to finish it this evening.






The classroom needs cleaning.


4 needn’t


对其它情态动词的回答


:


--Shall I tell John about it?


--No, you __________.


--No, you __________.










注意对


n eed


问句的回答


:





--Need I finish the work today?





--Yes, ________________.








No, ________________.








No, ________________.


Must we do it now?



--No, you __________.


--No, you __________.



2.



can/could



情态动词



can/could


含义



表“能力”能、会



表许可



可以



表推测可能



否定式



can



t


不会,不能



can

< br>’


t


不可以,不许



can



t


不可能



注意点



区别


be able to



代替


may


主要用于否定句、疑


问句中




1


)表示某人通过努力克服困难做 成某事


,


要用


was / were able to.


2




could, might, would


表委婉语气用于疑问句


,


答语仍须用






can, may, will.


3



can


用于肯定句中


,


可表示



有时可能




4




can/could have done “


本可以,本可能做某事








用于肯定句中,表示对过去发生的


事情做出的判断。





你本来可以考的更好。




5



. can/could not have done


对过去发生行为进行推测


:


不可能做某事




刚才我还看见他了,



所以他不可能出国的。





门是锁着的,



所以她不可能在家。




3.



may/might


情态动词



may/might



含义



表许可



可以



表推测



可能



否定式



mustn



t


禁止



can



t


不可能



注意点



口语中也可用


can



t


主要用于肯定句,不


能用在疑问句



may not


可能不



注意:



might/may have done,


表示对过去发生的动作进行可能性推测,




1


)他可能去医务室了。




2


)他可能已经从报纸上知道这个消 息了。





4.



will/would


情态动词



will


would


更客气的请求



用法



表请求(第二人称)



表意志,意愿



过去的意志(愿)



表某种倾向或习惯



过去的倾向或习惯




5.



shall ,should



ought to


情态动词



shall


should/ought


用法


< /p>


征求对方意见


(第一,


表示命令,警告, 威胁或允诺(第二,三人


三人称)



称)



表示劝告、建议、命

< p>
表示推测,


“理应,



s hould


还可以表示竟


令或责任“应该,必

< br>须



计,大概”





注意:



1.


在陈述句中


,shall


用于二、三人称表示允诺、警告、命令、决心等。



You shall do as I say.



(


命令


)


Nothing shall stop me doing it. (


决心


)













Tell him that he shall have the book tomorrow.




(


允诺


)


2 .


在疑问句中


,


用于一、三人称,用来 表示请求或征求意见。



Shall I open the window for you


?(征求意见)



Shall he fetch some water for you


?(请求)



3. should


常表示劝告、建议、命令,与


ought to


意义相近,但


ought to


多表示责任、义务,


语气强烈。



Young people should learn how to use computers.



































Every citizen ought to obey law.







You ought not to go.


/ought to have done


表示责备或批评


,


意为



本应该





,ought to


的语气更强烈


,


用于否


定则表示


< br>本不该




< br>


You should/ought to have told her the truth earlier


She


shouldn’t have left


without saying a word.



用于可能性推测时

< p>
,




应该,很可能




They left at 5:30. They should get there now.


< p>


.


可兼做行为动词的情态动词:


need




dare




1.


作为 情态动词用,常用在否定句和疑问句中。



Dare (need) +S +V


S + daren’t (needn’t) +V



I daren’t walk through the forest at night.



Dare you walk through the forest at night?


You needn’t return the book now.



Need he go yesterday?


2.


作实义动词用,常用在肯定句中


,


有人称、时态、和数的变化



He needs to go there himself.


He has grown up,so we don’t need to worry about him.



(sb) need( want, request)+ doing/ to be done





The house needs cleaning/ to be cleaned





The boy needs sending to the hospital at once.



表示推测


——


情态动词的重要用法



情态动词



肯定的推测



must


可能的猜测



may, might


对将来



+V


.


常见



must be


+ V


.


对现在



+ V


.


+ be doing


+ V


.


+ be doing


可以用


not


表示“可


对过去



+have done


+have done


能不”



否定的推测



can



t, couldn



t


疑问的猜测



can, could





+ V


.


+ V


.


+ V


.


+ be doing


+ V


.


+ be doing


+have done


+have done



“情态动词


+have done



用法



情态动词


+have done


用法



表示主观上对过去已经发生的< /p>


行为进行推测,意为“想必,


准是,一定做了某事”



例句



1



She must have gone through a lot.


2



He


must


have


visited


the


White


House during his


stay in the United


States.


1



You may have learnt the news.


2



He


may


not


have


heard


his


name


called.


3



Sorry


I’


m


late.


I


might


have


turned


off the alarm clock and gone back to


sleep again.


1



Where can she have gone?


2



Could


he


have


done


such


a


foolish


thing?


3



The boy can



t have finished reading


the


book


so


soon


because


it


is


difficult even to an adult.


1



He could have killed himself driving


at a dangerous speed.


2



You


could


have


been


more


considerate.


3



You could have done better, but you


were too careless.


1



You should not swim in that sea. You


might have been eaten by a shark.


2



He might have given him more help,


thought he was busy.


must have done



may/might have done


表示对过去已发生 行为的推


测,意为“也许


/


或许已经( 没


有)……“。一般用于肯定句


或否定句中,不用于疑问句。< /p>



might


则表示语气更加不肯


定。



can



have done


cannot have done


表示对过去发生的行为的 怀疑


和不肯定,通常用在否定句和


疑问句中。

< br>(


can


换成


could



语气委婉)



could have done


可用于肯定句中,表示“可 能


已经……”之意,此外,还可


以表示过去能做而没做的事,< /p>


有一种对过去为付诸实施的事


情的惋惜。



表示“本来可能……,但实际


上没有发生的事情”



另外,



可以表示“本来 应该或可以做


某事”之意,含有轻微的责备


语气。



might have done


should/ought


to


have


用于肯定句时,表示本该做某


1



He


should


have


known


that


the


事,而实际上未做;用于否定


done


police would never allow this sort of


句时,则表示不该做的事反而


thing.


做了。



2



You


shouldn



t


have


done


it


so


carelessly.


3



You ought to have returned the book


needn



t have done


表示做了本来不必去做的事。


注意:


d idn



t need to do


表 示


“没


必要做而实际上也没有做某


事”



用于事后的建议,含轻微责备


的口吻 ,意为“当时最好做了


某事”



其否定 式


had better not


have done


表示相反的含义。



had better have done


earlier.


4



You


ought


not


to


have


refused


his


offer.


1



You needn



t have watered the plants,


for it is going to rain.


2



I didn



t need to buy the dictionary. I


had a copy at home.


1



You had better have started earlier.


2



You had better not have scolded her.




1



I would rather have taken his advice.


would


rather


have


表示


“当时宁愿做了某事”


否定式


would


rather


not


have


2



I would rather not have told him the


done


d one


表示相反的含义,两者都


truth.


表示“后悔”之意。





练习:


请填入正确的情态动词



; could


When I was young I _____ climb any tree in the forest.


Learning a language _____ be a real challenge.



; might


I asked if I _____ go home half an hour earlier today.


There ____________ not be enough money to pay for the repairs.



; would


When he got older, he _____ never do his homework.


Nancy _____ keep talking unless you tell her to shut up.



; should


By now, they ______ already be in Dubai.


I _____ be replaced by someone from the New York office.


5.


must; can’t



You _____ have stayed up. You look so tired.


You _____ be 45! I thought you were about 25 years old.



.


完成下列句子:




1. I don‘t know where she is, she _______________.







(


可能在武汉)


(be)


2. At this moment, our teacher _______________


(想必在批改)


our exam papers. ( mark / grade)


3. The road is wet. It ________________(


一定下雨了)








last night.



(rain)



4. Your mother _____________________________




(一定一直在找你)


(look)


5. Philip ________________________ seriously in





the car accident. (


可能受了重伤


). (hurt)


6. ---Linda has gone to work, but her bicycle is






still here.



--She ___________________(


可能走了


)by bus.(go)


7. Mike ________________(


一定还没有找回


)his car,






for he came to



work by bus this morning.



综合练习:



1.


2015·


北京】


22.-- Did you enjoy the party?


--Yes,we___by our hosts.


treated




be treated.




d




treated


2.


< p>
2015·


北京】


the last few years,China ___ great achievements in environmental protection.


made




made




making




making


3.



2015·


北京】


27.



Did you have difficulty finding Ann' house?



Not ___us clear directions and we were able to find ?


to give





given




giving



give


4.



2015·


北京】


30.



Dr. Jackson is not in his office at the moment.



All right. I____ him later.


A. will call




B. have called




C. call



D will be calling

5.



2015·


重庆】


1


.





Is Peter coming?




No, he____ his mind after a phone call at the last minute.


A.



changes



B. changed





C. was changing



D. had changed


6.



2015·


重庆】


13.



In my hometown, there is always a harvest supper for the farmers after all the


wheat____ cut.


A. will have been








B. will be











C. was










D. has been


7.



2015·


浙 江】


8.


Albert


Einstein


was


born


in


1879.


As


a


child,


few


people


guessed


that


he








a famous scientist whose theories would change the world.


A. has been







B. had been









C. was going to be













D. was


8.



2015·


天津】


9.



Despite the previous rounds of talks, no agreement______ so far by the two

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