1、Wild animals may become dishes on the table any time.I/You may die without them.Free talkIt may rain.It may snow.What may happen?She may be in the Reading Room.She may be on the playground.They may be playing chess.They may be reading.readplay chessWhat are they doing now?They may be doing homework.
2、They may be having lunch.do homeworkhave lunchWhat are they doing now?They may be doing homework.1.当我们猜测某件事发生的可能性时，常用may表示_、_.2.在肯定句中，may后通常接_,_,_.It may snow.She may be on the playground.Tip 1也许也许 可能可能dobe+be+doing1.pandas may not have a place to live or food to eat.Tip 3.may 表示猜测，可能性，常用于表示猜测，可能性，常
3、用于肯定句肯定句或否定句。或否定句。2.Mr.Zheng may not be in the office.3.He may not be working.否定句在否定句在may后加后加notTip 2.1.表猜测，只能用于肯定句与否定句中。例表猜测，只能用于肯定句与否定句中。例They may go to the natural reserve next month.=Maybe they will go to the natural reserve next month.As a result,pandas may not have a place to live or food to e
4、at.=As a result,maybe pandas will not have a place to live orIf we do nothing,soon there may be none left.=If we do nothing,maybe soon there will be none left.注意：可以与注意：可以与副词副词possibly perhaps maybe进行转换进行转换,注意时态注意时态。may2.在疑问句中，在疑问句中，may通常解释为通常解释为“可以可以”，表，表示寻求许可，比示寻求许可，比can更正式礼貌（而更正式礼貌（而might比比may更正式、
5、委婉）。例：更正式、委婉）。例：May I call you when I have problems?3.may有时与有时与can同义，可互换使用。同义，可互换使用。你今晚可以去看电影。你今晚可以去看电影。You may/can go to the cinema this morning.may4.对于对于May I?的回答：的回答：肯定：一般常用肯定：一般常用Yes,please/certainly/of course.虽然也可以使用虽然也可以使用Yes,you may,但语气生硬，太过严肃。但语气生硬，太过严肃。-May I use your dictionary?-Certainly.
6、Here you are.否定：否定：No,you mustnt/cant.或或Sorry,you cant.或或No,please not.-May I watch TV now?-No,you mustnt.不，不，不允许不允许。may补充补充1.1.Can pandas live a happy life if?May pandas live?2.He cant know the truth.他他不可能不可能知道真相。知道真相。He may not know the truth.他他可能不可能不知道照相。知道照相。表示推测时，表示推测时，may 通常不用于一般疑问句。通常不用于一般疑问句
7、。can常用于否定句、一般疑问句。常用于否定句、一般疑问句。意思不同意思不同情态动词表猜测情态动词表猜测must can may(按语气的强烈程度按语气的强烈程度)1.must“一定一定”,只能用于肯定句中。只能用于肯定句中。你肯定丢了你的钱包。你肯定丢了你的钱包。You must lose the purse.这只钱包肯定是你的。这只钱包肯定是你的。This purse must be yours.(must用语疑问句中解释为为用语疑问句中解释为为“必须必须”，例：，例：Mother,must I finish the homework now?;而而must not 解释为解释为“不允许不
8、允许”)2.can“很可能很可能”,只用于否定句和疑问句中。只用于否定句和疑问句中。例：例：-Can that purse be yours?那只钱包有可能是你的吗？那只钱包有可能是你的吗？-No.This purse cant be mine.Mine is red.不，这只钱包不可能是我的。我的不，这只钱包不可能是我的。我的 Millie is in the zoo.She is telling Sandy on the phone about what happens.Complete what Millie says using may with the words in bracke
9、ts.1.The elephant is going towards the water.It _(need)a bath.may need2.The little boy is crying when he saw the tigers.He _(be)afraid of them.3.I cannot go near the lions and tigers.They _(hurt)me.4.The baby panda is not drinking its mums milk.It _(not be)hungry.may bemay hurtmay not be5.The monkey
10、s are jumping around.They _(be playing)with each other.6.The horse is standing with its eyes closed.It _(be sleeping).may be playingmay be sleeping1.-Do you have any plans for this weekend?(2011)-Im not sure.I _ go climbing Mount Yuntai.A.must B.need C.may D.can2-How nice the building is!What is it
11、for?-It _ a hotel.But Im not sure.(2012)A.must be B.have to be C.may be D.can be 3.-When are we going to have a picnic?(2012)-Im not sure.Ask Millie,please.He _ know.A.need B.can C.may D.shall4.-_ I ask you a question?Sure.A.May B.Would C.Do5.-How nice the building is!whats it for?-It _ a hotel.But
12、I am not sure.A.must be B.have to be B.C.may be D.can beC.6.-Mum,_ I go out with my friends this Friday？D.-No,you _ stay at home and do your homework.E.may;can B.may;must C.can;would7.-Is Jim coming by train？-I am not sure.He _ drive his car.A.must B.mayC.need 8.-Remember _ off the lights when you l
13、eave the classroom.-No problem.A.turnB.to turnC.turning B.9.You need to take notes at the meeting so make sure _ a pen and some paper with you.C.bringing B.bring D.C.to bring D.not bringB Using verbs+to-infinitives动词不定式动词不定式基本形式：基本形式：to+V原形原形,有时省有时省to,如如let/make/have sb.do 动词不定式是非谓语动词的一类，因而没有人称和数的变化
14、。动词不定式是非谓语动词的一类，因而没有人称和数的变化。动词不定式在句子中作主语、宾语、表语、宾语补足语、（动词不定式在句子中作主语、宾语、表语、宾语补足语、（后置）定语。例：后置）定语。例：Its dangerous to swim in the river alone.(实际主语实际主语)He want to swim there.(want的宾语的宾语)The advice is not to swim alone.(表语表语)I advised him to be a swimmer in the future.(宾语补足语宾语补足语)Soon there will be no pla
15、ce to live(in).(后置定语后置定语)本单元测中学习不定式作宾语、宾补的用法。本单元测中学习不定式作宾语、宾补的用法。P 121agree to do sth.同意做同意做 begin to do sth.开始做开始做decide to do sth 决定做决定做 fail to do sth.做某事失败做某事失败forget to do sth.忘记做忘记做hope to do sth 希望做希望做 1.某些及物动词后接动词不定式作宾某些及物动词后接动词不定式作宾语语,常用的此类动词有：常用的此类动词有：learn to do sth 学着做学着做 plan to do sth
16、计划做计划做 prepare to do sth.准备做准备做remember to do.记得做记得做try to do sth 尝试做尝试做 want to do.想要做想要做 need to do seem to do/be start to do would like to do cant wait to do try ones best to doask sb.to do tell sb.to doinvite sb.to do want sb.to dowould like sb.to doneed sb to doteach sb.to doadvise sb.to do 2.t
17、o do 做宾语补足语做宾语补足语3.有的动词后跟不带有的动词后跟不带to的不定式作宾补的不定式作宾补，如如:hear sb.dowatch/see sb.do notice sb.do make sb.do 让让/使某人做某事使某人做某事let sb.do 让某人做某事让某人做某事help sb.doremember _ sth.记得要做某事记得要做某事 remember _ sth.记得做过某事记得做过某事forget _ sth.忘记要做某事忘记要做某事 forget _ sth.忘记做过某事忘记做过某事(forgot)to dodoingto do doing e.g.Tom,记得课后
18、和我们一起打篮球。记得课后和我们一起打篮球。Tom,_ _ play basketball with us after class.我记得上个月写了一封信给你。我记得上个月写了一封信给你。I _ _ a letter to you last month.remember toremember doingstop to do sth.停下停下(正在做的正在做的)事去做事去做 (另一件另一件)事事stop doing sth.停止做停止做(正在做的正在做的)某事某事e.g.让我们停下来休息一下。让我们停下来休息一下。Lets _ _ _ a rest.不要说话，不要说话，老师来了。老师来了。_ _
19、.The teacher is coming.stop to haveStop talking有些可以接宾语补足语的动词会用有些可以接宾语补足语的动词会用it作形式宾作形式宾语，而真正的宾语由语，而真正的宾语由不定式不定式充当，放在充当，放在it之之后。这些动词有后。这些动词有find,think(of),make等。等。我发现解一些物理题目很有趣。我发现解一些物理题目很有趣。I find it interesting to solve some physics problems.我们都觉得在一个小时内完成那些工作很困我们都觉得在一个小时内完成那些工作很困难。难。We all think it
20、 difficult to finish the work in an hour.让我们把改善（让我们把改善（improve）自己的学业变得更）自己的学业变得更简单些。简单些。Lets make it easier to improve our study.“动词动词+疑问词疑问词+带带to不定式不定式”结构，相当于结构，相当于名词成分，在句中作主语、宾语、表语。名词成分，在句中作主语、宾语、表语。做主语：做主语：对我们而言下一步做什么仍然是个问题。对我们而言下一步做什么仍然是个问题。What to do next is still a question for us.作宾语：作宾语：请你问一
21、下当地人什么时候出发好吗？请你问一下当地人什么时候出发好吗？Could you please ask the local people when to start?作表语：作表语：我的问题是怎么准备那个派对？我的问题是怎么准备那个派对？My question is how to prepare the party.1.Did you know that bees never get lost?get lost=lose ones way那个小女孩昨天出去玩的时候迷路了。那个小女孩昨天出去玩的时候迷路了。The little girl got lost when she went out to
22、play yesterday.=The little girl lost her way when she went out to play yesterday.lose (过：过：lost)Vt.失去，丢失失去，丢失我把我的我把我的MP3弄丢了。弄丢了。I lost my MP3.Vt./Vi.输，失败，常用：输，失败，常用：lose a match/competition/game/warlose heart(灰心，丧气灰心，丧气)/ones face/ones life/ones voice(失声失声)/interest in(失去对失去对的兴趣的兴趣)2.Bees always rem
23、ember to come back the same way as they went.the same as“和和一样一样”我的鞋子大小与你的一样。我的鞋子大小与你的一样。My shoes are(of)the same size of yours.这支钢笔和我丢的那支一样。这支钢笔和我丢的那支一样。This is the same pen as I lost.1 Stop to talk,and get ready for the Maths class.2 He often hears the girl sings in the next room.3 It takes him hal
24、f an hour getting there by bus.talkingsing to get1.You must _(listen)to the teacher carefully in class.2.Mary agreed _(go)shopping with Lucy.3.Look!The boys _(play)football.4.May decided _(buy)a book for Anns birthday.5.Max tells funny jokes to make us _(feel)happy.listento goare playingto buyfeel6.
25、Lets _(go)on a trip tomorrow.7.The policeman told the boys _ (not play)football in the street.8.Would you like something _(drink)?9._(not be)late for class again.10.I plan _(travel)around the world in the summertime.gonot to playto drinkDont beto travelII.完成句子。完成句子。1.他可能认识你。他可能认识你。He _ you.2.他们可能下周去
26、长城。他们可能下周去长城。They _ the Great Wall next week.3.我们同意马上离开。我们同意马上离开。We agreed _ at once.4.Laura计划到中国一些名胜之地旅游。计划到中国一些名胜之地旅游。Laura _ some places of interest in China.5.你愿意和他一起工作吗？你愿意和他一起工作吗？Would you _ with him?like to work plans to visitto leavemay knowmay go to1.What place will you _this summer holiday?今年暑假你打算去哪儿玩？今年暑假你打算去哪儿玩？2.I _the sunset 我想看日落。我想看日落。3.I _some photos of the sunrise.我想拍几张日出的照片。我想拍几张日出的照片。4.I decided _(work)hard on English.5.Mr.Li often advises us _(read)English in the morning.6.We need _(exercise)every day.plan to visit hope to watch want to take to workto read to exercise
