1、1 _ something that you say is not true2 _ not to be punished for something3 _ uncooked4 _ the strong wish to know about something5 _ someone who buys things or services from a shop,company,etc6 _ a particular quality that gives someone or something an advantageChecking answer I(2ms)Answer key for Ex
2、.1lieget away withrawcuriositycustomerbenefitought to,diet,raw,balanced,energetic,slimChecking answer I(2ms)Answer keys for Ex.2become thinner lose weightbeing laughed at by her friends losing facefelt so sad and hopeless about herself lose heartwas unwilling to visit any more lost interest in visit
3、ingmodal verbGrammar(33ms)ought toought to 用于表示想必会(语气较must 弱)：1.他们想必已到那儿了。They ought to be there by now.2.他最好不要抽烟了。He ought to stop smoking.多数情况下，ought to可与should互换使用。Ought to的反意疑问句用shouldnt替代。13.You ought to have helped him with his English,_ you?A.wont you B.ought not youC.shouldnt youD.wouldnt yo
4、u比较had better,should&ought to 三者均表示建议，意为“应该”，“应当”或“最好做”.三者的语气程度为渐强。Had better指一般性的建议，最弱。Should&ought to含义相近，常可互换。区别在于，ought to常指特殊情况下的“应当”。Should则指一般情况。见下页例句。You ought to help him because he is in trouble now.(语气强，有命令意味。)You should have a rest after finishing your sports.（一般性建议）You ought to call the
5、 police when you find something wrong in your house.He should take care of the babies tonight.have to have to 表示客观需要去做的事情，意为“必须，不得不。”I have to get the station early to catch the first train.We missed the bus so we had to walk home.We have to overcome all kinds of difficulties.Have to 有多种时态。常见的有：一般将来
6、时，We will have to gather at the school gate at 7 tomorrow.一般现在时I have to take more money with me because my gf has so much to buy.一般过去时Finally,we had to give up our idea to hold a picnic outside as it rained for a whole afternoon.have to（考点）shall用于第一，三人称疑问句，征求意见或请求shall 第二，三人称 陈述句,命令,警告,允诺,威胁should
7、表劝告，建议，命令，顺理成章的 ought to 疑问句中常用should代替ought toought to 表应该，语气should 美语中，ought to用于否，疑句时to 可省shall,should&ought toNeed I do?Yes,you must.No,you neednt.dare&need情态动词实义动词dare否，疑，条dare not do否,疑dont dare to do dont dare do不用于肯定句肯：dare to do need否，疑neednt do(dont)need sth(dont)need to do肯：must,have to,o
8、ught to,shouldMust they do?Yes,they must.No,they neednt/dont have to.must&have tomust have to主观客观主观客观时态现在，将来多种表推测询问意愿否定意禁止，不允许不必 must表主观意志，而have to表由于客观因素不得不做完成的事情。Must没有过去式，除在间接引语中可表示过去的时间。在直接引语中表示过去的时间用had to代替。I told her that she must give up smoking.She said,“We had to get everything ready that
9、night.”比较must&have to注意对need问句的回答:-Need I finish the work today?-Yes,_.No,_.No,_.you mustyou needntyou dont have toneednt 对其它情态动词的回答:-Shall I tell John about it?-No,you _.-Must we do it now?-No,you _.neednt(dont have to)neednt(dont have to)Could I borrow your dictionary?(委婉)-Yes，you can/may.Sure.Go
10、ahead.Please yourself.May I take this seat?(第一人称疑问句)Yes,you may.No,you mustnt.高考链接1.-Is John coming by train?-He should,but he _ not.He likes driving his car.(2002高考题）A.must B.can C.need D.may2.It has been announced that candidates(候选人)_ remain in their seats until all the papers have been collected
11、.(2002上海高考题）A.can B.will C.may D.shall3.-I heard they went skiing in the mountains last winter.(2002北京高考题）-It _ true because there was little snow there.A.may not be B.wont be C.couldnt be D.mustnt bePractice 1:高考考题专练1.I thought you _like something to read,so I have brought you some books.A.may B.mi
12、ght C.would D.must 2.Where is my pen?I _it.A.might lose B.would have lost C.should have lost D.must have lost3.I didnt hear the phone.I _asleep A.must be B.must have been C.should be D.should have beenB DB 4.-There were already five people in the car,but they managed to take me as well.-It _a comfor
13、table journey A.cant be B.shouldnt be C.mustnt have been D.couldnt have been 5.Its nearly seven oclock.Jack _be here at any moment.A.must B.need C.should D.couldD C情态动词考题:1.-Did the train arrive in time?-No.It _ two hours ago.A.must have arrived B.ought to have arrivedC.must arrive D.ought to arrive
14、2.Must I drive to his house and pick up the children?No,.A.you shouldntB.you might not C.you neednt D.you mustntB C 3.We didnt see Tom at the meeting yesterday.He it.A.mustnt have attendedB.cannot have attendedC.neednt have attendedD.would have not attendedB 4.You _ such a long composition.The teach
15、er only asked for 300 words.You have written 600.A.mustnt have written B.couldnt have written C.neednt have written D.do not have to writeC 5.There is someone knocking at the door.it be Tom?A.can B.must C.should D.ought to6.Two years ago,my husband bought me a bicycle.If you live in town,it is often faster than a car and you worry about parking.A.must not B.may not C.should not D.dont have toA DAssignment1.Summarize the rules of the modal verbs in your own way.2.Finish the exercises of“Discovering useful structures”on Page 13.
