新人教必修三 Unit 2 Healthy eating-Grammar
2 Doctor: You are sick because you’ve eaten poisonous mushrooms. Where did you get them? Lucy: I picked them in the forest. I know we _______ have to eat fresh vegetables. Doctor: Oh, but you _______ mustn’t eat them until you’re sure they are not poisonous. Lucy: Thank you, doctor. I’ll be more careful next time.
2. My salary is very low. You ______________________. should look for a new job
3. Nick always has difficulty getting up. He _______________________ ought not to /shouldn’t go ____________. to bed so late 4. What a beautiful view! You __________________. should take a photo 5. Billy’s room isn’t very interesting. He ___________________________ shouldn’t/ ought not to use her ___________. car so much
【考例】─What do you think we can do for our aged parents? ─You ____ do anything except to be with them and be yourself. (重庆 2007) A. don’t have to B. oughtn’t to C. mustn’t D. can’t 【点拨】根据题意“除了和他们呆在一 起做你自己外, 没有必要做任何事情。” 可知这里选择don’t have to表示“不必”。 故选A项。
Choose suitable modal verbs below to complete the following dialogues.
ought/oughtn’t to should/ shouldn’t mustn’t needn’t (don’t) have to will can/ can’t
You must come here.
You mustn’t take the book away from
the library.
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 it’s good for digestion.
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don’t have to, 相当于needn’t。如： They don’t have to buy a computer at present. 他们目前没有必要买电脑。
You ought to have helped him with his English, ________? A. won’t you B. ought not you C. shouldn’t you D. wouldn’t you
2. must和have to must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needn’t或don’t have to, 意思是“不 必” ；nner, Mum? Mum: Well, you _______ have to eat food with plenty of fibre that helps you digest better. And you _____ stop should drinking cola or eating sweet food.
b. 表示劝告、建议或命令时，should和 ought to可通用，但在疑问句中常用 should。ought to的否定式为oughtn’t to或ought not to。 You should / ought to go to class right away. Should I open the window?
3. 你应该每天练习不止一小时。 You ought to／should practice English for more than an hour． 4. 你应该读一下这个。它写得很好。 You ought to／should read this． It’s very good． 5. 你必须读这个。写得精彩极了！ You must read this．It's marvelous！
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。
You should help to set the dinner table.
You should keep your room clean.
We must listen to the teacher carefully.
We mustn’t eat in class.
You ought to hand on the homework on time.
What should we do next?
c. should, ought to都可表示推测。 He ought to / should be home by now. This is where the oil ought to / should be.
注意
should 和ought to 后面跟动词不定式的完成 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 shouldn’t 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shouldn’t替代。
3. must和need
a. need作情态动词时, 只能用于疑问句
和否定句。构成否定句和疑问句时不
借助于助动词do。
—Need I finish the work today? —Yes, you must. / No, you needn’t.
b. must的肯定形式表示“必须”，否定 式 表示“禁止、严禁”。
must的否定形式mustn’t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 needn’t. / No, you don’t have to. 不，不必。) You mustn’t come here without
You shouldn’t be late for school.
We should ask question actively.
We shouldn’t make noise in class.
Make sentences
1. 你每天最少要练习一小时口语。
You must practise speaking English at least an hour a day． 2. 我每天不得不练习一小时口语！ I have to practise speaking English an hour a day！
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 _______________________________. should/ought to take a few days off
【考例】The boss has given everyone a special holiday, so we ____ go to work tomorrow. (上海 2007春) A. can’t B. mustn’t C. needn’t D. shouldn’t 【点拨】考查情态动词。根据题意, 可知 这里表示“没有必要”, 故只能选C项。
Sam: Does it mean I shouldn’t _________ eat my favourite fried chicken any more? Mum: Not exactly, if you love fried chicken, you ______ needn’tgive it up. Just eat it less often. You ______________________________ don’t have to/ needn’t/ shouldn’t worry too much: a little fried chicken ____ will do you good!
英语：必修3_Unit2_Healthy_eating-Grammar课件(新人教版)
Without health no pleasure can be tasted by man. 没有健康就没有乐趣。 Good health is over wealth. 健康是最大的财富。
e.g. Young people should learn how to use computers.
Every citizen ought to obey law. You ought not to go.
must
1.must表示“必须 ，应该”。
—Yes, you must. e.g.— Must I finish all assignments at a time?
3.-Must I be home before eight o'clock, mum? -No,you __________. A. must B. mustn't C. need not D. have to
4.-Ought he to see the doctor? -No,he_________. A. ought not to B.ought to C. should D. should not to
must一般只用在肯定句中，来表推测意义的 “一定，必定”
1. The floor is so clear.It must be cleaned.
2. The ground is wet.It must rain just now.
have to
1.表示“必须，不得不”，在这个意义上与 must很接近。 2.否定形式：don't have to 3.have to 与must的比较： eg. (1). You must finish this task today. (2). Every students will have to know how to use computers. must表示的是说话人的主观看法 have to 表示的却是客观需要 have to 比must有更多的形式
高中英语必修3人教版同步练习及答案：Unit 2 Healthy eating Grammar
高一英语同步练习:必修3 Unit 2 Healthy eating第3课时Grammar基础练习请试着分析课文中这些带情态动词的句子中情态动词的用法。
1. Everybody has to eat, but do you eat a healthy diet ?2. What do you think you should go into a good meal ?3. By now his restaurant ought to be full of people .4. What could have happened ?5. Nothing could be better.6. Something terrible must have happened if Li Chang was not coming to eat in his restaurant as he always did .7. Perhaps he should go to the library and find out .8. Perhaps with a discount and a new sign he could win his customers back .9. Perhaps we ought to combine our ideas and provide a balanced menu with food full of energy and fibre .实战演练一.单项选择1.Mrs Brown really _________ go on a diet.She has put on so much weight since she gave up jogging(慢跑).A.couldB.ought toC.mayD.must2.— Has Mary finished writing her article?—No, and it _____ before class was over.A.should be finishedB.should finishC.should have finishedD.ought to have been finished3.You fool! You ______ for a house full of wonderful food, but you only wished for acake.A .could wish B.could have wished C.can wish D.may wish4.What is the way George thought of ______ enough money to buy the house?A.to getB.gettingC.having gotD.being got5.—What do you think of his opinion?—None has given me ___________ piece of advice.A.a betterB.a bestC.the bestD.the better6.— Which is ___________, China or Russia?—Russia is ___________ than China, I think.rger; largerB.the largest; largerC.the lager;the largerD.the larger; larger7.I thought I was going to fail the exam, but I passed _______.A.above allB.after allC.in allD.first of allst summer holiday, I went back to my hometown, ________ the neighbours and the house ________ I used to be familiar with were gone.A.only finding; whichB.only to find; thatC.to find; whomD.found; that9.—Let’s go to a movie after work, OK?— _____________A.Not at all.B.Why not?C.Never mind.D.What of it?10.Nuclear science should be developed to benefit the people ______ harm them.A.more thanB.rather thanC.other thanD.better than11.—Didn’t you enjoy the performance last night?—___________.It was less wonderful than expected.A.Yes, I didB.No, I didn’tC.Yes, I didn’tD.No, I did12.Thi s project ________ considered thoroughly, and I’m sure it ________ finished on time.A.must be; may beB.should be; can beC.may be; must beD.can be; should be13.I was really anxious about you.You _______ home without a word next time.A.mustn’t leaveB.shouldn’t have leftC.couldn’t have leftD.needn’t leave14.It was very kind of you to do the washing-up, but you ________ it.A.mustn’t have doneB.wouldn’t have doneC.mightn’t have doneD.didn’t have to do15.It was ______ that they all went swimming in the river.A.such a hot weatherB.such hot weatherC.so hot weatherD.so hot a weather二.单句改错1.They mustn’t have been in the library because I saw them on the playground .2.At last he could finish the work ahead oftime .3.What a terrible weather we have been having !4.My brother left the school at the age of fifteen ,so he hasn’t much knowledge .5.Thought it was very cold ,but he went out without an overcoat .6.His book is different from me .三.句式变换根据A句句义,完成B 句, 使句义相同或相近。
高考英语 Unit2《Healthy eating》知识与要点课件 新人教必修3
【答案】 A
4．strength n．[U]力气，力量；[C]强项，长处；优点 归纳拓展 (1)strong (adj.)强壮的→strength (n.)力量→strengthen (v.) 加强；增强→strengthless (adj.)无力的 (2)相关短语 build up one's strength增强实力/体力 at full strength满员，满额 in (great) strength人多势众地
He kept his balance with his arms on top of the wall. 他在墙上用双臂保持平衡。 I think on balance I prefer the new system. 总的说来，我觉得自己更喜欢新体制。 You should balance the advantages against the disadvantages before your final decision. 在作出决定之前，你一定要权衡利弊。
重点 短语
be/go on a diet，ought to，lose weight，get away with，tell a lie/lies，win...back，in debt，spy on，cut down，before long， earn one's living，put on weight，glare at，benefit from
【链接训练】
①The boy ________ on the ground ________ that he had
seen a cock ________ an egg.
A．laying；lay；lay
B．lying；lie；lie
人教版必修三Unit2Healthy eating Grammar
[点津 ]
ought to 的否定形式为 ought not to (oughtn’t to)；
一般疑问形式是将 ought 提至句首， 其否定答语通常用 don' t have to 或 needn't。 —Ought he to see the doctor? 他该去看医生吗？ —Yes, he ought to./No, he don' t have to. 是的，他该去。 /不，他不必去。 You ought not to make this kind of mistake again. 你不应该再犯这种错误了。
(4)need have done 表示“本需要做而实际未做”； needn't have done 表示“本不必做某事而实际做了”。 You need have done it instead of him yesterday. 昨天你本需要代替他做那件事的。 You needn' t have woken me up; I don' t have to go to work today. 你本来不必叫醒我，今天我不用上班。
5．这辆自行车需要修理。 The bike needs repairing/to be repaired .
(5)may/might have done 表示对过去发生的事情的推测，意思 是“也许已经做了某事，可能已经做了某事”，多用在肯定 句中，用 might 时表示语气更加不肯定。 You might have read about it in the papers. 你可能已经在报上看过这个消息了。
Ⅰ.选词填空 1．You mustn't needn't) 2．It's so near; we shouldn't have taken a taxi.(shouldn't/can't) 3．You oughtn't to have spent so much time playing computer games.(mustn't/oughtn't to) 4．—Shall I leave the room so that you two can talk? —No, you needn't .(mustn't/needn't) go there alone; it's too dangerous.(mustn't/
Unit2Healthyeating-Grammar教案(新人教版必修3)
Unit 2 Healthy eatingPart 1 Teaching Design第一部分教学设计Period 2 A sample lesson plan for Learning about Language(Modal verbs: ought to / ought not to / have to / don’t have to/ mustn’t / needn’t)IntroductionIn this period students will be first helped by the teacher to warm up by having a dictation. Then they go on to discover useful words and expressions and learn about grammar. Some ready used materials for Modal verbs: ought to / ought not to / have to / don’t have to / mustn’t / needn’t will be offered.ObjectivesTo learn about Modal verbs: ought to / ought not to / have to / don’t have to / mustn’t / needn’t To discover and learn to use some useful words and expressionsTo discover and learn to use some useful structuresProcedures1. Warming up by reading aloud the text COME AND EAT HERE (1)We promote reading aloud to students and by students in order to encourage a love of English books and a desire to become a fluent English speaker. So Read aloud the text before we learn about the grammar.2. Discovering useful words and expressionsIn pairs do the exercises on page 12. You must finish them in 5 minutes.3. Reading and identifyingRead the text COME AND EAT HERE (1), discovering all the sentences which contain any of the modal verbs: ought to / ought not to / have to / don’t have to / mustn’t / needn’t.4. Consolidating by doing exercisesTo consolidate your understanding you will be given 10 minutes to go overexercises on page 13. You may just write in your text book. I mean thestudent’s b ook you are working by.5. Reading the r eady used materials for Modal verbs: ought to / ought not to / have to / don’t have to / mustn’t / needn’t（用原版）For reference: （用原排版）。
人教版高中英语必修3《Unit2Healthyeating》教案
人教版高中英语必修3《Unit2Healthyeating》教案人教版高中英语必修3《Unit 2 Healthy eating》教案【一】教学准备教学目标1. Get students to learn the useful new words and expressions in this part: cucumber, eggplant, pepper, mushroom, peach, lemon, nut, pea, spaghetti, diet, curiosity, customer, discount, ought to, lose weight, get away with, tell a lie, win…back.2. Let students have a better understanding of the reading passage.教学重难点mportant points1. Let students have a good understanding of the passage.2. Get students to learn different reading skills.◆ Difficult pointsGive students some guidance about how to choose the correct answers of the multiple choices according to some key words and key sentences.教学过程一学生课外学习活动设计：任务一：学生调查问卷：(1)What does a balanced diet should contain?(2) Why are you so strong/weak/fat/thin? Does it have anything todo with your diet?任务二：Making a diet for yourdinner.根据泛读学到的健康饮食的知识，为自己的家庭涉及晚餐食谱，分析食谱里包含哪些种类的食物，判断其能否提供均衡的营养，并分析原因。
初中英语-Unit2 Healthy Eating-Grammar 课件 人教版必修三
2. Although he c_a_n_’_t_swim, he _w_a_s__a_b_le__to_ cross the river.
My mother cooked a lot of food for me. She has
been cooking all the morning.
She must be tired now.
I have just eaten a lot of food for lunch.
You can’t be hungry now.
C. Can; can’t
D. Need; mustn’t
2. --- Could I call you by your first name?
• --- Yes, you____.
• A. will B. could C. can D. might
3. 表示“请求”的情态动词的用
法will / would, shall/should
I promised I would be on time. I _c_o_u_l_d_n_’_t_ be late.
Last night Paul became ill suddenly. We _h_a__d__to__ call the doctor.
We can’t repair the car ourselves. We _h_a_v_e__t_o___ take it to a garage.
Period 4 Grammar Modal Verbs
unit2-healthy-eating--grammar情态动词
A.can’t have missed B. could miss C. must have missed D. might miss
2. Oh, I’m not feeling well in the stomach. I
B____ so much fried chicken just now.
might（不用may）+have done表示“本来可能 …”，但实际上没有发生的事。另外，还可表示 “本来应该或可以做某事”之意，含有轻微的责 备语气。
1.You might not have told her. 你本可以不告诉他的。（事实上你告诉他了） 2. You might have come earlier. 你本可以早点来的。（但没有这样）
write
B. couldn’t D. do not have to
5. There is someone knocking at the door. A
it be Tom? A. can B. must C. should D. ought to
6. Two years ago, my husband bought me a bicycle.
A.A. shouldn’t eat B. shouldn’t have eaten B.C. mustn’t eat D. mustn’t have eaten
5. ---Has Mike started? He said he would join in the party.
---He __B__. He is a man of keeping his word.
needn’t +have done表示做了本来不 必去做的事。
高中英语人教版必修3Unit2HealthyeatingGrammar教案（系列一）
高中英语人教版必修3Unit2HealthyeatingGrammar教案（系列一）必修三Unit 2 Healthy eatingPeriod3 GrammarⅠ.Knowledge aims :Teaching goals:1. Get students to know more about modal verbs.2. Let students learn the use of ought to、should、must、have to.Abilities goals:Enable students to use modal verbs correctly and properly according to the context.Emotion goals:1. Get students to become interested in grammar learning.2. Develop students’ sense of group cooperation.Ⅱ.Teaching importance：1.The usage of each pair of the modal verbs.2.The sameness and difference among these pairs of the modal verbs.3.Correctly understand the change the modal verbs bring to the sentence, that is , their functions. Ⅲ.Teac hing difficulties: Enable students to learn how to use ought to correctly.IV. Teaching methods:1 Task-based teaching and learning2 ExplanationV. Teaching Procedures:Step 1 Leading-inT: Look at some proverbs.The first wealth is health .An apple a day keeps the doctor away.Early to bed and early to rise makes a man healthy , wealthy and wise.Without health no pleasure can be tasted by man.Good health is over wealth. Ask the students to discuss the following questions. If you’d like to give advice or opinions, you can use the modal verbs.what should/shouldn’t we do to keep healthy?What ought we to do to keep healthy?What kind of food must we eat to be strong?Step 2 Grammar learning1.What is called the modal verbs?--Modal verbs help other verbs express a meaning or an idea. Words like should, can, have to, must, and a f ew others are called modals.2. What modal verbs have you learned?can/ couldmay/ mightwill/ wouldshall/ shouldmust/ have toought to / need3. Thinking and discussinga. Let students think over and discuss with a partner how each of these modal verbs is being used in the situ ations.Intention Duty Permission Possibility Guessing Abilityb. Use the function words below to explain the meaning of the modal verbs. If students have some difficulty, give them a hand.1).By lunchtime they would all be sold.2). His restaurant ought to be full of people.3). Nothing could have been better?4).I will take all that fat off you in two weeks.5).He could not believe his eyes.6).He wondered if he should go to the library to find out.7).He couldn’t have Yong Hui getting away with tes and fill in the blanks according to the Chinese.You _ought to_______ go and see the doctor.你应当去找医生看看病。
【精品】英语必修三课件 2.2《Unit 2 Healthy eating》课件(新课标人教版-必修三)
street
noodles, rice
food
cabbages,
vegetables
tomatoes, carrots,
cucumbers
beans and nuts; Photo 4 bread and grains
peanuts, fried bread,
nuts
Photo 5 fruits
Photo 6 meats Photo 7
name breakfast lunch supper snack
Listening：
For
At
breakfast 8:30
At 10:00 For lunch
Two pieces An apple, A couple
of chocolate, a bag of
a glass of
potato chips of sandwiches
desserts
bananas, apples, pears, oranges, grapes
beef, chicken, pork, fish
ice cream, candy, candy bars/chocolate bars, chocolates
Photo 8 vegetables;
Байду номын сангаас
tofu/ bean curd,
( protein, carbohydrates, fat,
vitamins, minerals, water… )
They are junk food!
healthy food
Free Talk
Ask your partner about his /her diet and give him /her some suggestions if necessary.