情態(tài)動(dòng)詞知識(shí)點(diǎn)和練習(xí)modal verbs

1、What did Betty say to make the guest very angry?had bettershould , ought tomust, have toTerrible HobbiesTerrible Hobbies1. You had better eat more vegetable and fruits.2. You had better drink less wine.3. You had better not surf the Internet.4. You had better get up and go to bed early.5. You had be

2、tter take more exercise.had better1. The positive form (肯定形式肯定形式) of had better is _.2. The negative form (否定形式否定形式) of had better is _.had better not do Sth.had better do Sth.Had better is used when you give advice about something to somebody, but the person who you give advice may not accept it. S

3、tructureMeaningSome advice on Some advice on Western table mannersWestern table manners1. You should keep the knife in your right hand and the fork in your left. You ought to keep the knife in your right hand and the fork in your left.2. You shouldnt ask a second bowl of soup. You ought not to ask a

4、 second bowl of soup.3. You shouldnt drink too much. You ought not to drink too much.4. You should finish everything on your plate. You ought to finish everything on your plate.shouldought to1. The positive forms of should and ought to are _ and _.2. The negative forms of should and ought to are _ a

5、nd _.should not do Sth.ought not to do Sth.should do Sth.ought to do Sth.StructureMeaningShould or ought to is used when you have your duty to do something.A lot of houseworkclean the housewashall theclotheswalk the dogwater the flowers1. You must clean the house. I have to clean the house.2. You mu

6、st water the flowers. I have to water the flowers.3. You must wash all the clothes. I have to wash all the clothes.4. You must walk my dog after dinner. I have to walk her stupid dog after dinner.musthave toHouseworkMust is used when you want to say that it is necessary for someone to do something.H

7、ave to is used when you are forced to do something by the situation or a rule.Meaning1. Get to school on time.2. Wear school uniforms everyday.4. Dont wear any jewelry(首飾首飾) at school.5. Dont take cellphones to school.6. Turn off the light before leaving the classroom.7. Don t ride your bike at the

8、campus. List middle school rulesModal Verbs - had better, should, ought to1.對(duì)某人該做某事提出自己的觀點(diǎn) 一般用 You had better + v.原形原形 否定用否定用 You had better not + v.原形原形 Eg. Youd better make yourself known to the world. Youd better not eat fruit that isnt ripe.2. 盡力說(shuō)服某人應(yīng)該做某事盡力說(shuō)服某人應(yīng)該做某事 一般用一般用 You should+v.原形原形 否定否定

9、 You should not +v.原形原形 或者用或者用 You ought to + v.原形原形 否定否定You ought not to + v.原形原形 Eg. You should / ought to be careful with your writing. You should not / ought not to eat too much junk food.1 .The doctor is giving advice. Complete the following sentences, using should, ought to, had better or thei

10、r negative forms否定形式否定形式 to give advice.Example: You have got a bad cold. You had better take some medicine.You have a bit of a fever. You_You_ if you want to be healthy.If you are sick, you _Before you eat an apple, you _.You dont look well. You _.You have a bad cough. You_ _.7) This medicine will make you sleepy. You_ _.There is nothing seriously wrong with your knee, but you_ _.should stay home todayhad better change your diethad better not go outside in the rainshould ma