1、Grammar Grammar1.ought toshould should 和ought to 都为“应该”的意思，可用于各种人称。ought to 的语气稍重一些。You ought to(should)follow your teachers advice.表示主语的义务或责任：You should take care of your sister你应当去照顾你妹妹。或指出个正确、明智的动作：They shouldnt allow parking here；the street is too narrow这儿不该允许停车；马路太窄了。should 和ought to 后面跟动词不定式的完
2、成式,其肯定句表示”过去应该做而未做”,其否定句则表示”过去不该做但做了”。You should/ought to have made the decision a week ago.I shouldnt have made such a foolish mistake.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。注意You ought to have helped him with his English,_?A.wont you B.ought not youC.shouldnt youD.wouldnt you2.must和
3、have tomust的用法1）表示主观的义务和必要,主要用于肯定句和疑问句,意思为“必须，得，要”；由must 引起的疑问句，肯定回答要用must或have to,否定回答要用neednt或dont have to,意思是“不必”；must的否定形式mustnt表示禁止，意思是“不能，不许”。如：Must I finish the task right now?我现在必须完成这个工作吗？Yes,you must./Yes,you have to.是的。(No,you neednt./No,you dont have to.不，不必。)You mustnt come here without
4、permission.未经允许，你不能来这儿。have to 的用法1）must表示一种主观的需要，而have to 表示一种客观的需要，意思是“不得不”。如：I have to attend an important meeting this afternoon.今天下午我不得不参加一个重要的会议。Mother is out,so I have to look after the shop.妈妈不在家，因此我不得不照看商店。2）have to 的否定形式是dont have to,相当于neednt。如：They dont have to buy a computer at present.
5、他们目前没有必要买电脑。用下列图片造句。做适当的运动 You should do some sports.慢慢地进食，并有助消化。You ought to eat slowly and its good for digestion.You should help to set the dinner table.You should keep your room clean.We must listen to the teacher carefully.We mustnt eat in class.You ought to hand on the homework on time.You sho
6、uldnt be late for school.We should ask question actively.We shouldnt make noise in class.Make sentences1.你每天最少要练习一小时口语。You must practise speaking English at least an hour a day2.我每天不得不练习一小时口语！I have to practise speaking English an hour a day！3.你应该每天练习不止一小时。You ought toshould practice English for mor
7、e than an hour4.你应该读一下这个。它写得很好。You ought toshould read thisIts very good5.你必须读这个。写得精彩极了！You must read thisIts marvelous！Please choose a proper phrase and according to the situations complete the sentences by using should(not)or ought(not)to.1.Lisa needs a change.She _.2.My salary is very low.You _.s
8、hould/ought to take a few days offshould look for a new job 3.Nick always has difficulty getting up.He _ _.4.What a beautiful view!You _.5.Billys room isnt very interesting.He _ _.ought not to/shouldnt go to bed so lateshould take a photoshouldnt/ought not to use hercar so much1.I thought you _like
9、something to read,so I have brought you some books.A.may B.might 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 lost高考链接3.I didnt hear the phone.I _asleep.A.must be B.must have been C.should be D.should have been4.-Is John coming by train?-He sho
10、uld,but he _ not.He likes driving his car.(2002高考题）A.must B.can C.need D.may5.It has been announced that candidates(候选人)_ remain in their seats until all the papers have been collected.(2002上海高考题）A.can B.will C.may D.shall6.-I heard they went skiing in the mountains last winter.(2002北京高考题）-It _ true
11、 because there was little snow there.A.may not be B.wont be C.couldnt be D.mustnt be7.-There were already five people in the car,but they managed to take me as well.-It _a comfortable journey.A.cant be B.shouldnt be C.mustnt have been D.couldnt have been8.Its nearly seven oclock.Jack _ be here at an
12、y moment.A.must B.need C.should D.could1.-Did the train arrive in time?-No.It _ two hours ago.A.must have arrived B.ought to have arrived C.must arrive D.ought to arriveB 情态动词考题:2.“Must I drive to his house and pick up the children?”“No,_.”A.you shouldnt B.you might not C.you neednt D.you mustntC 3.
13、We didnt see Tom at the meeting yesterday.He _ it.A.mustnt have attended B.cannot have attendedC.neednt have attended D.would have not attendedB 4.You _ such a long composition.The teacher only asked for 300 words.You have written 600.A.mustnt have written B.couldnt have written C.neednt have writte
14、n 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 toADHomework1.Preview the reading(2)and reading task on Page 52.See how the story ended.2.Find some information about healthy eating on the Internet.
