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1,情态动词should用法

should 作为情态动词,通常用来表示现在或将来的责任或义务,译作“应该”、“应当”,这时它可以和 ought to, be supposed to 互换使用。如:You should (= are supposed to ) complete your test in time.

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2,情态动词是什么

情态动词有can (could)、may (might)、must、need、ought to、dare (dared)、shall (should)、 will (would)。一、can 1、读音:英 [k?n] 美 [k?n]2、翻译:aux. 可以;能n. 罐头v. 罐装;<口>解雇3、例句:You can count on me.你可以指望我。二、may1、读音:英 [me?] 美 [me?]2、翻译:aux. 可以,能够;可能,也许;祝,愿;会,能n. [大写] 五月3、例句:That might be our taxi.那辆有可能是我们的计程车。三、must1、读音:英 [m?st] 美 [m?st] 2、翻译:aux. 必须;应当;很可能n. 必须做的事;未发酵的葡萄汁;发霉3、例句:Something must be done about it.必须得想个办法。四、need1、读音:英 [ni?d] 美 [ni?d] 2、翻译:v. 需要;必需n. 需要;必要;缺乏aux. 需要,必须(无时态、人称变化,后与不带 to 的动词不定式连用,多用于疑问句和否定句)3、例句:You look tired. You need a good rest.你看来累了。你需要好好休息一下。五、shall1、读音:英 [??l] 美 [??l] 2、翻译:aux. 将要;应该;一定;表示提供建议3、例句:Shall we all go to the film tonight?我们今晚都去看电影吗?参考资料来源:百度百科-情态动词

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3,情态动词包括那几个

情态动词只能表示期待或估计某事发生…常见的有:1.can,2.could,3.be able to,4.may,5.might,6.must,8.need,9.dare,10.shall,11.will,12.should,13.ought to,14.would。这些都比较常见,情态动词还有些用法,比如:情态动词+have done,每个都有自己的意思…还有had better;would rather…后面都加动词原形。差不多就这些吧…

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4,情态动词 包括have 吗

不包括。
have是实义动词,不是情态动词have to 是半情态动词,除了有人称单复数变化,其他和情态动词一样
不是。它只有两种用法,一种是具有实意的“拥有,具有”,另一种是在一定的结构或时态的语句中充当助动词。情态动词是具有词义,并且表示一定语气的词语,而且数量颇为稀少,一般只遇到:can(could),may(might),must,need,ought to,shall(should),will(would),dare(d).

5,英语的语法学习中情态动词指的是哪种

一 1) 情态动词不能表示正在发生或已经发生的事情,只表示期待或估计某事的发生。 2) 情态动词 除ought 和have 外,后面只能接不带to 的不定式。 3) 情态动词没有人称,数的变化,即情态动词第三人称单数不加-s。 4) 情态动词没有非谓语形式,即没有不定式,分词,等形式。 二 1、can 和be able to 2、may和might 3、have to和must 4、should 和ought to 5、had better 6、would rather 7、will和would 8、need和dare 9、 used to 10、be to

6,帮我列出一些情态动词

1、can 和be able to2、may和might3、have to和must 4、should 和ought to 5、had better6、would rather 7、will和would8、need和dare9、 used to10、be tohttp://hi.baidu.com/yuyanhuayue/blog/item/ea77b7458cfbba26cefca362.html/cmtid/b7b33af3178dd05b352accac
情态动词是一种本身有一定的词义,表示说话人的情绪,态度或语气的动词,但不能单独作谓语, 只能和其他动词原形构成谓语。 情态动词有四类: ①只做情态动词:must,can(could),may(might),ought to ②可做情态动词又可做实义动词:need,dare ③可做情态动词又可做助动词:shall(should),will(would) ④具有情态动词特征:have(had) to,used to
情态动词有四类: ①只做情态动词:must,can(could),may(might),ought to ②可做情态动词又可做实义动词:need,dare ③可做情态动词又可做助动词:shall(should),will(would) ④具有情态动词特征:have(had,has) to,used to一般常用的是must,can(could),may(might),need,shall,will
情态动词有四类: ①只做情态动词:must,can(could),may(might),ought to ②可做情态动词又可做实义动词:need,dare ③可做情态动词又可做助动词:shall(should),will(would) ④具有情态动词特征:have(had) to,used to

7,英语中的情态动词是什么啊

can could may should等等情态动词后面一般要接动词原型`````比如:I can make it! You should take it easy.
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情态动词 (Model Verbs) 又称为情态助动词 (Model Auxil-iaries), 主要有can, may, must, could, might, shall , should, will, would, ought to, need, dare等。情态动词与其他动词连用表示说话人的语气。情态动词可表达建议、要求、可能和意愿等。情态动词没有人称和数的变化。情态动词部分重点测试以下内容: (1)情态动词+动词完成式: must have done (2)情态动词+动词进行式: must be doing (3)情态动词+动词完成进行式: must have been doing (4)某些情态动词的特殊用法: need 一、情态动词+动词完成式 情态动词+动词完成式即“情态动词+ have + done分词”,表示对过去行为或动作进行推测、评论或判断。 1. must have done must have done 表示对过去某事的肯定猜测。其否定或疑问形式都用can(could) 来表示. 例如: Since the road is wet, it must have rained last night. He cant have missed the way. I drew him a map. “The dictionary has disappeared. Who could have taken it?” 当然对现在发生或将来发生的事情,要用must do 表示猜测, 否定为cant do. He must understand that we mean business. You must be hungry after a long walk. 2.may / might have done may / might have done 表示推测过去某事“也许”发生了.may 比 might 表示的可能性在说话人看来稍大些。例如: I cant find my keys. I may / might have left them at the school yesterday. 3. could have done 在肯定句型中, 往往用作委婉的批评. 本应该做什么,而没做; 有时也用作猜测. You could have told us earlier. Tom could have taken the dictionary. 4. ought to / should have done和 ought not to / shouldnt have done ought to / should have done 和 ought not to / shouldnt have done 用于对已发生的情况表示“责备”、“不满”,分别表示“本应该…”和“本不应该…”。例如: 1)With all the work finished, I should have gone to the party last night. 2)You ought not to have made fun of him. He is not the one you laugh at but learn from. 5. neednt have done neednt have done 表示过去做了某事,但没有做的必要, 意为“本没必要…”。例如: You neednt have waken me up; I dont have to go to work today. 注:表示推测过去某动作发生的可能性时,就表示的可能性程度而言,must最大,could其次,may更次之,might最小。例如: “I wonder how Tom knew about your past.” “He must / could / may / might have heard of it from Mary.” 二、情态动词+动词进行式 情态动词+行为动词进行式(即情态动词+ be + doing形式),表示推测或评论某动作现在是否正在进行。例如: 1)He must be playing basketball in the room. 2)She may be staying at home. 三、情态动词+动词完成进行式 情态动词+行为动词完成进行式(即情态动词+ have been + v-ing 形式),表示推测或评论过去某动作是否正在进行或一直在进行。例如: 1)They should have been meeting to discuss the problem. 2)He may / might have been buying stamps in the post office when you saw him. 四、某些情态动词的特殊用法 1. need 考试中主要测试 need 作情态动词与作实义动词的区别。情态动词need与实义动词need 在时态、肯定、否定结构上的对比见下表。 时态 情态动词need 实义动词 need 现在时 He need (neednt) do Need he do….? He needs (doesnt need) to do 过去时 He needed (didnt need) to do 将来时 He need (neednt) do Need he do….? He will (not) need to do 注: need 一般用于否定句或疑问句. 2. dare 考试中主要测试dare作情态动词和作实义动词的区别。 情态动词dare 与实义动词dare 在时态、肯定、否定、疑问结构上的对比见下 表。 句型 情态动词dare 实义动词 dare 肯定句 现在时 dare to 少用 过去时 dare to 少用 现在时 dare/dares to do 过去时 dared to do 否定句 现在时 darent/dare not do 过去时 dared not do 现在时 do/does not dare (to) do 过去时 did not dare (to) do 疑问句 现在时 Dare he do? 过去时 Dared he do? 现在时 Do you/Does he dear (to) do? 过去时 Did he dare (to) do 3. can 和 may 考试中主要测试can,may或could,might表示可能性的区别及对may构成的疑 问句的回答。 (1)can, could, may, might都可以表示可能性.can, could表示潜在的可能性或理论上或逻辑判断上存在的可能性;而may, might则表示事实上的可能性。此外,can还具有“有能力”的意思,而may与might则不具此意。例如: According to the weather forecast, it may rain tomorrow. Any man with a little sense can see that he is wrong. (2)May I / we …?这一类疑问句的肯定回答为Yes, please.或Certainly;否定回答为Please dont.或No, you mustnt. 例如: “May we leave now?” “No, you mustnt. You havent finished your home work yet.” 4. can 和 be able to can 与 be able to 都可以表示能力,但两者在用法上有点差异:can (could)表示主观能力,不表示意愿,它的将来时用will be able to; be able to表示主观意愿,强调要克服困难去做某事。例如: 1)My grandma is over seventy, but she can still read without glasses. 5. must 和 have to must 和 have to 都可以表示“必须”,但有几点区别: (1)must 强调“内在的职责”、“义务”,而have to 强调“外界压力”、“不得已而为之”。 (2)have to可用于多种时态,而must一般用于现在时,其过去时与将来时分别由had to与shall / will have to代替。 (3)在回答must引起的问题时,如果是否定的答复,不能用mustnt,而要用neednt或dont have to,因为mustnt是“一定不要”、“一定不能”的意思。例如: You must come to the classroom before eight. 2)It is raining hard outside, but I have to leave now. 3)“Must we do it now?” “No, you neednt.” 6. used to +do, be used to +doing和be used to +do (1)used to +v意为“过去常常”,“过去一直”;be used to +v-ing / n(名词)意为“习惯于”;be used to +v意为“被用来(做某事)”。 (2)used to只表示过去,而be used to +v-ing / n可表示现在、过去或将来。例如: 1)He used to smoke. Now he doesnt. 2)Hes quite used to hard work / working hard. 3)The knife is used to cut bread. 7.用作情态动词的其他短语 would rather, would sooner, would (just) as soon, had rather, had better, had sooner, can not but, may (just) as well等可用作情态动词。例如: 1)The soldier would sooner die than surrender. 2)The brave soldier would as soon die as yield to such an enemy. 3)Id rather walk than take a bus. 4)If you dont like to swim, you may just as well stay at home. 注:这些短语后一般直接跟动词原形.would (had) rather, would (had) sooner, would (just) as soon后可跟that 引导的从句,that 常省去,从句要用虚拟语气。对现在和将来的假设用过去时,对过去的假设用过去完成时。例如: 1)I would rather you came on Sunday. 2)I would sooner you hadnt asked

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