情态动词（modalverbs）

1、情态动词（情态动词（modal verbs）情态情态V:情感与态度，通过具体的语情感与态度，通过具体的语境与语气来表达。境与语气来表达。不能单独充当谓语，与不能单独充当谓语，与动词原形动词原形构构成谓语成谓语否定：否定： 在在其后其后加加 not/ never考点：考点：1、基本用法、基本用法2、猜测、猜测3、特殊用法、特殊用法一、一、can/could 课时3模拟7,6,12,41、能力、能力 “能能够够”I can speak English.can be able to两种时态两种时态多种时态多种时态能力能力能力并成功地做了能力并成功地做了= succeeded in doing/ ma

2、naged to doThe building was on fire, but all the people in it_ run out without being burnt.were able to 模拟模拟7 2、表建议，、表建议，“可以可以”3、表推测、表推测“可能可能” 否定否定“不可能不可能” 疑问疑问Can it be true?模拟模拟4-12肯定句：肯定句：理论上的可能（不涉及具体是否会发生）理论上的可能（不涉及具体是否会发生）“有时可能会有时可能会”4、请求、请求&允许允许-Can/ Could you?语气委婉语气委婉-Yes, you can/may.5、H

3、e is always on time for everything. How_ it be possible that he was late for the 104th anniversary ceremony for our school?A. should B. can C. would D. must表示惊讶，怀疑，不相信。否、疑、感叹句表示惊讶，怀疑，不相信。否、疑、感叹句高考高考56、固定句式：固定句式：cannot /never too/enough cannot(help/ choose)but+ do = can do nothing but do/ have no cho

4、ice but to do二、二、may/might高考高考11-模拟模拟3,8,10,181、猜测。、猜测。“可能可能” might 更加不肯更加不肯定定肯肯否否 “可能不可能不”2、允许，许可、允许，许可-May I have a look? might 委婉委婉-Yes, you_ No, you_may/can.mustnt3、祈使句、祈使句,表示祝愿表示祝愿May you succeed!固定句式：固定句式：may/might as well do “做做也无妨；也无妨；最好最好” may/might well do “很可能很可能”be likely to doLiza may w

5、ell not want to go on the tripshe hates traveling.3、must模拟模拟13,111、必要性、必要性 “必须，一必须，一定定”-Must I?-Yes, you_. No, you_.mustneednt/ dont have tomustnt “禁止禁止”模拟模拟192、推测、推测“肯定肯定”只用肯定句只用肯定句中中must do/be 现在现在must be doing 进行进行must have done 过去过去他们肯定是朋友。他们肯定是朋友。现在是十点，他们肯定在睡觉。现在是十点，他们肯定在睡觉。昨晚肯定下雨了，因为地板是湿的昨晚肯定下

6、雨了，因为地板是湿的高考高考103、“硬要，偏要硬要，偏要”条件从句中条件从句中4、must have to 主观主观客观，不得不客观，不得不高考高考5 模拟模拟9四、四、shall 1、一、一&三人称三人称 疑疑 “征求意见，请求征求意见，请求指示指示”2、二、二&三三 陈述陈述 “ 命令，警告，许命令，警告，许诺，威胁等诺，威胁等” 法律条文规定法律条文规定 五、五、will/would1、意志，意愿意志，意愿2、请求、请求&建议建议3、习惯、习惯“总是总是”（will 现在；现在；would,过去）过去）4、某物的性质，倾向、某物的性质，倾向我会帮助你的我会帮助你

7、的-我会努力帮助你的我会努力帮助你的-我承若我会努力帮助你的我承若我会努力帮助你的-I will help you.I will try my best to help you.=I will do all (that)I can to help you I will do what(ever) I can to help you.I will make every effort to help you.I promise you that高考高考4，模拟，模拟51、I will look out of the window every time I take a bus, enjoying

8、the view outside.2、We would get up early to walk to school when we were children.3、Fish will die without water.4、I tried hard to open the door, but it wouldnt open.六、六、should1、劝告，建议、劝告，建议“应该应该”（职责（职责/义义务）务）我们应该尊重老人我们应该尊重老人-We should respect the old.=have respect for毫无疑问的是我们毫无疑问的是我们-There is no doubt

9、 that2、推测、推测“应该应该”（根据经验（根据经验/惯例惯例/按道理上按道理上讲）讲）-How is your trip around the North Lake? Is it beautiful?-It _be, but it is now heavily polluted.A.will B. should C. would D. mustSince youve made such good preparations, there _ be any problem about passing the coming exam.A. shouldnt B. mustnt C. shant

10、 D. neednt-Turn off the TV, Jack,_ your homework now?-Mum, just ten minutes, please.A. should you be doing B. shouldnt you be doing C. couldnt you be doing D. will you be doing3、“竟然竟然”（惊讶（惊讶/不应不应该）该）Im sorry you should fail in the exam.七、七、ought ( not ) to 无时态变化无时态变化八、八、need 需要，必要需要，必要 （一般）（一般）疑疑否否高考高考8,9-Need she?-Yes, she_ No, she_mustneednt/dont have to注：注：行为行为v. “某人需要某人需要” sb. sth./to do sth. “某物需要被某物需要被” sth. doing/ to be done (=want/require/deserve“值得被值得被”)情态情态V.+have donemustcan/couldcould may/might（not）should/