版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1、 1.My grandma is over eighty,but she can read without glasses.2.Can you wait a moment please? 3.Excuse me,coule you help me please? 4.Accident can happen to any drunken driver. 5.It cant be my father.He is now in England.表能力表请求,许可可能性Can &couldMay &might1.可能性He may be very busy now.He might b
2、e very busy now.May表许可- He may go now. May I go now?祈使句- May you succeed! May you have a nice trip!Will &would That bag looks heavy.Ill help you with it. Thanks for lending me money.Ill pay you back on Friday.This old man is strange.He will sit for hours without saying anything. We would sit aro
3、und Grandpa after supper,listening to his stories.Will you come this way,please?Would you open the window?意志,愿望,决心习惯请求(用于第二人称)Shall &should Shall we put off the sport meeting until next week?Shall Tom go there with me tomorrow?You shall if you dont work harder. He shall have the book when in fin
4、ish reading it.请求征求意见警告允诺威胁等Must&cant规定、指令 You must have a passport if you want to go abord.主观的命令、禁止 You can go out with your friend but you must come back before 11 at night.You must be ill.I can see it from your face. He cant be at home.I saw him in the classroom just now.推测Can &could 表能力(
5、ability)表请求&允许(request &permission)可能性可能性(possibility)Can用于肯定,理论上“可能”Cant用于否定句中,主观猜测May&might表示可能性,might不是may的过去式; may表许可(permission)May用于祈使句,表祝愿Will&would表意愿Will&would表习惯表请求Shall和和shouldShall的用法征求意见(第一/三人称)命令,警告等(第二/三人称)Must&cantmust“命令”,“推测”A,规定,指定B,主观的命令,禁止C,猜测,(语气肯定)Cant用
6、于否定句Should表劝告,建议,命令及合理推断情态动词表示推测1)might,may Might-“也许” May-“可能”Eg:He might be right.他也许是对的。 He may not come tonight.他今晚可能不来否定might not 否定may not表示主观的推测,一般用于肯定句2)can Can 用于主观推测时,常用于否定句(cant不可能)和疑问句, 疑问句中也可以用could Can用于肯定句时,表示一时的,客观的可能性。Eg:-Can he be at home now? 他现在在家吗? -No,he cant be at home,since I
7、 met him in the street just now. 不,他不可能在家,因为我刚才才大街上遇到他了。 Could she be chatting on the internet? 她现在可能在网上聊天吗? 3)Should 和和ought to 表示根据常规、事理、经验做出的判断,“想必”“应该”。Eg:Today is Sunday. Our teacher should be at home. That ought to be enough food for the four of us.4)must表主观的推测“一定”,语气十分肯定。其否定式为cant“不可能”,不用must
8、nt, mustnt表示禁止,不允许,语气十分强硬。Eg:He must be in the classroom now. You cant have known the truth. Students mustnt smoke.一些情态动词后接完成式是对过去情况的肯定或否定的推测或推断。 must have done sth may have done sth might have done sth cant have done sth may not have done sth might not have done sth还有一些情态动词后接完成式表示动作按理应在过去发生,但事实上却没有
9、发生。1)“could +have done sth” “本可能/本可以 做某事”couldnt +have done sth “本不可能/本不可以 做某事”Eg :He thought a ticket when he could have entered free. I didnt see her in the meeting room this morning.She couldnt have spoken at the meeting2)“should/ought to +have done”本应该做,本应该发生 “should/ought to +have done”本应该做,本应该
10、发生Eg:I ought to have said it to her in a calmer mood. He shouldnt have broken the red light.3)need后接完成式主要用于否定句中。 “neednt + have done ”表示本不必要做某事Eg: You neednt have watered the flowers,for it is going to rain.-Isnt that Anns husband over there?No,it be him-Im sure he doesnt wear glasses.A.cant B.must
11、not C.wont D.may notHe have completed his work;otherwise ,he wouldnt be enjoying himself by the seaside.A.Should B.must C.wouldnt D.cant-Excuse me.Is that the right way to the Summer Palace?-Sorry,I am not sure.But it be.A.Might B.will C.must D.can-Cathrine,I have cleaned the room for you.-Thanks.Yo
12、u it.I could manage it myself. A.neednt to B.neednt have done C.mustnt do D.shouldnt have doneHe paid for a seat,when he have entered free.A.Could B.would C.must D.needTo enjoy the scenery ,Irene would rather spend long hours on the train travl by air.A.As B.to C.than D.while-Lucy doesnt mind lending you her dictionary.-She . Ive already borrowed one.A.cant B.mustnt C.neednt D.shouldnt-Who is the girl standing over there?-Well ,if you k
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 智能交通管理系统的挑战与解决方案
- 2024年尊重生命心得体会(2篇)
- 2024年商标转让协议样本(2篇)
- 中班感恩节创意亲子活动方案例文(6篇)
- 公司公务用车管理方案模版(4篇)
- 2021年10月广西柳州市科学技术局公开招聘合同制工勤人员工作人员简章强化练习题(一)
- 中学教学资料室工作职责模版(3篇)
- 计算机技术员岗位的具体职责描述模版(2篇)
- 岗位交接班制度范文(2篇)
- 2024年业务助理年度工作总结(2篇)
- 不履行合同义务催告函范文
- 小学二年级上册数学-数角的个数专项练习
- 幼儿园小班幼儿学情分析报告
- 项目目标成本测算书样表
- 小学课外阅读案例分析
- 家长会课件:小学四年级数学期中家长会课件
- 《煤矿重大危险源评估报告》
- 职业生涯规划概述课件
- 人教版六年级数学上册《全册》完整版课件
- 航空氦(HE)光泵磁力仪项目综合评估报告
- 九年级英语《Unit 6 When was it invented》说课稿
评论
0/150
提交评论