U1 Language.ppt

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1、Modal verbs:should and ought to Modal verbs:should and ought to A Talking about what is best or right to do we can use the modal verbs should and ought to say what is best or right to do.Should and ought to are similar in meaning.You should put your rubbish in the bin.The waiter ought to be more car

2、eful.I/You/He/She/We/They should ought to should not ought not to discuss itWe use should and ought to with other verbs.These verbs do not change their form after the modal verbs.Should weought we todiscuss it now?Yes,we should/ought to.No,we shouldnt/ought not to.1、should和ought to的意思都是“应该；应当”，都表示义务

3、或责任，还可以表示推论。should的语气比较委婉，ought to的语气比较强，有时带有责备或督促的意味。should和 ought to在用法上要注意以下几点：1.没有人称和数的变化。2.后面接动词原形。3.可用来构成否定句、疑问句及简明答语。情态动词情态动词should should 和和ought toought to 2、should和和ought to的句式：的句式：肯定句:主语+should do.主语+ought to do.否定句:主语+should not(缩写shouldnt)do.主语+ought not(缩写oughtnt)to do.疑问句：Should+主语+do

4、.?回答：Yes,主语+should.No,主语+shouldnt.Ought+主语+to do.?回答：Yes,主语+ought to.No,主语+ought not to.e.g.We should finish the homework on time.我们应该按时完成作业。You are on duty today.You should clean the classroom.今天你值日，你应该打扫课室。You shouldnt come here late.你不该这么晚来。He oughtnt to break the window.他不应该打烂窗户。Should I lend hi

5、m some money?我应该借钱给他吗？Yes,you should./No,you shouldnt.是的，应该。/不，不应该。Ought I to do it at once?我应该马上去做吗？Yes,you ought to./No,you ought not to.是的，你应该。/不，不应该。ought to discuss shouldnt start should chooseought to elect should buyBEN We need a sports editor.JOYCE Then we(1)_ one right away.BEN We also need

6、 a title for the paper.JOYCE Then we(2)_one as soon as possible.Joyce and Ben are talking about thenewspaper.Complete their conversationwith the words in the box on the right.ought to electshould chooseBEN Also,we need batteries for our recorder.JOYCE Then we(3)_some.BEN Finally,should we start to p

7、ublish next week?JOYCE We(4)_ that with the others first.Perhaps we(5)_ until next term.ought to discuss shouldnt start should chooseought to elect should buyshould buyought to discussshouldnt startB Correcting peopleWe also use shouldshould and ought toought to when we want to correct people.Newspa

8、per sometimes print things incorrectly.Work in pairs.S1 is tony.S2 is Lucy.Tony will read some sentences from a newspaper and Lucy will correct them.2 TONY On page two,it says,”The new president is 500 years old.”LUCY That ought to be“_”.3 TONY It says here,”The men were wearing white skirts and tie

9、s.”LUCY That should be“_”.50 years oldWhite shirts and ties4 TONY The paper says,”A Kentucky Friend Chicken restaurant will open here tomorrow.”LUCY That ought to be”_”.5 TONY It says on page three,”Because of the typhoon,no plants could land at the airport.”LUCY That ought to be“_”.a Kentucky Fried

10、 Chicken restaurantno planes6 TONY The paper says,”The president was born in 1912 and lied in 1991.”LUCY That should be“_”in 1991.7 TONY According to the paper,a fast foot restaurant was on fire last night.LUCY That should be “_”.dieda fast food restaurant句型转换。1.We should take good care of the young

11、 trees.（改为一般疑问句）_ we _ good care of the young trees?2.You ought to turn off the lights when you leave the room.（改为一般疑问句）_ I _ _ off the lights when I leave the room?Should takeOught to turn3.You ought to put your bike under the tree.（改为否定句）You _ _ _ _ your bike under the tree.4.The child should drin

12、k some orange juice.（改为否定句）The child _ _ _ orange juice.5.They should arrive at the station before 7 oclock.(就划线部分提问）_ _ _ _ at the station?ought not to put shouldnt drink anyWhen should they arrive 单项选择。()1.We _ help the people in need.A.canB.ought to C.shouldD.could()2.One _ cross the street again

13、st the red light.A.ought notB.ought to not C.shouldnt toD.oughtnt to()3.I missed the train.You _ me that thetimetable had changed.A.should to tell B.should have told C.ought have to tellD.ought have told B BD根据中文意思完成句子。根据中文意思完成句子。1.我们应该有早起的习惯。You _ _ the habit of getting up early in the morning.2.在仔

14、细考虑好之前她不应该立刻开始。She _ _ _ at once before thinking it over.should haveshould not start/oughtnt to start3.这个时候他应该在上班了吗？对，我觉得他应该。_ he _ be at work at the time?Yes,I think he _ _.4.你不应该在外面呆得这么晚。You _ _ out late.5.我们本来应该去游泳的，但下雨了。We _ _ _ swimming,but it rained.Oughttoought toshouldnt stayshould have gone