高中英语 Unit2《Healthy eating》Learning about Language多媒体教学课件 新人教必修3

1、2021/8/11 星期三1Unit 2 Healthy eatingLearning about Language2021/8/11 星期三2lie get away with raw curiosity customer benefit Learning about Language (P.12)1.Write down the words according to the meanings bebind. 1 _something that you say is not true2 _not to be punished for something3_ uncooked4_ the st

2、rong wish to know about something.5_ someone who buys things or services from a shop, company, etc. 6_a particular quality that gives someone or something an advantage2021/8/11 星期三3balanced diet rawslim ought to energetic lose weight lose heart lose interest lose face 2.Fill in the blanks with words

3、 from the left box and paraphrase the italicized parts using the phrases from the right box.2021/8/11 星期三4Julie wanted to become thinner. She knew she_ eat more vegetables and fruit but little meat. However, as she was so afraid of being laughed at by her friends, she did not consult a doctor but li

4、ved on a_ of rice, _ vegetables, bananas and lemons. Three weeks later, she found she weighed as much as ever. She felt so sad and hopeless about herself and her behaviour changed.ought to diet raw 2021/8/11 星期三5She didnt dare to face her boyfriend and she was unwilling to visit her friends any more

5、. Luckily, her best friend Fred came to see her and encouraged her to exercise, eat a _ diet and enjoy life again. Soon Julie became amazingly_ and_! She felt very happy.balanced energetic slim2021/8/11 星期三6 become thinnerlose weight being laughed at by her friends losing face felt so sad and hopele

6、ss about herself lost heart was unwilling to visit her friends any more lost interest in visiting2021/8/11 星期三7Answer key to Exercise 3:1 pear; cream (fat and all the others are fruit)2 sugar; mutton (meat and all the others are energy-giving food)3 bacon; cabbage (vegetable and all the others are m

7、eat)4 strawberry; eggplant (vegetable and all the others are fruit)2021/8/11 星期三8modal verb (2)2021/8/11 星期三9 ought to ought 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。2021/8/11 星期三10 You

8、ought to have helped him with his English, _?A. wont you B. can not youC. shouldnt youD. wouldnt you【即学即练】2021/8/11 星期三11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。例句见下页。2021/8/11 星期三12You

9、 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 police when you find something wrong in your house. (语气较强)He should take care of the babies tonight. （一般情况）2021/8/11 星期三13have tohave to 表示客观需要去做的事情，意为“必须，不得不”

10、。I have to get to 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.2021/8/11 星期三14have to 有多种时态。常见的有：We will have to gather at the school gate at 7 tomorrow.一般将来时I have to take more money with me because my girlfriend h

11、as so much to buy. 一般现在时Finally, we had to give up our idea to hold a picnic outside as it rained for a whole afternoon. 一般过去时2021/8/11 星期三15shall , should &ought toshall用于第一、三人称疑问句，征求意见或请求。shall用于第二，三人称陈述句，表示命令、警告、允诺、威胁。should 表示劝告，建议，命令，顺理成章ought to 疑问句中常用should代替ought toought to 表示应该，语气should 美语中

12、，ought to用于否定句、疑问句时to 可省略。2021/8/11 星期三16Need I do ? Yes, you must. No, you neednt. 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, ought to, shoulddare & need2021/8/11 星期三17Must they do? Yes, they

13、must. No, they neednt/dont have to .must 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思禁止，不允许 不必must & have to2021/8/11 星期三18比较must & have to must表示主观意志，而have to表示由于客观因素不得不做的事情。must没有过去式，但是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 rea

14、dy that night.”2021/8/11 星期三19注意对need问句的回答: Need I finish the work today? Yes, _. No, _. No, _.you mustyou needntyou dont have to2021/8/11 星期三20neednt 对其他情态动词的回答: Shall I tell John about it? No, you _. Must we do it now? No, you _. neednt (dont have to) neednt(dont have to)2021/8/11 星期三21Could I bor

15、row your dictionary?(委婉) Yes，you can/may. Sure. Go ahead. Please yourself. May I take this seat?(第一人称疑问句) Yes, you may. No, you mustnt.2021/8/11 星期三221. I thought you _like 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

16、B. would have lost C. should have lost D. must have lostB D 【达标训练】2021/8/11 星期三233. I didnt hear the phone. I _ asleep.A. must be B. must have been C. should be D. should have been4. There were already five people in the car, but they managed to take me as well.It _ a comfortable journey.A. cant be

17、B. shouldnt be C. mustnt have been D. couldnt have beenB D 2021/8/11 星期三245. Its seven. Jack _ be here at any moment.must B. need C. should D. could6.Is John coming by train? He should, but he _ not. He likes driving. A. must B. can C. need D. mayCD2021/8/11 星期三257.It has been announced that candida

18、tes(候选人) _ remain in their seats until all the papers have been collected. A. can B.will C. may D. shall8.I heard he went skiing last year. It _ true because there was little snow there. A. may not be B. wont be C. couldnt be D. mustnt beDC2021/8/11 星期三269. Did the train arrive in time?No. It _ two

19、hours ago.A. must have arrived B. ought to have arrivedC. must arrive D. ought to arrive10. Must I drive to his house and pick up the children? No, _ .A. you shouldnt B. you might not C. you neednt D. you mustntB C 2021/8/11 星期三2711. We didnt see Tom at the meeting yesterday. He _ it.A. mustnt have

20、attendedB. cannot have attendedC. neednt have attendedD. would have not attendedB 2021/8/11 星期三28C 12. You _ such a long composition. The teacher only asked for 300 words. You have written 600 words.A. mustnt have written B. couldnt have writtenC. neednt have written D. do not have to write2021/8/11

21、 星期三2913. There is someone knocking at the door. it be Tom?A. Can B. Must C. Should D. Ought to14. Two years ago, my husband bought me a bicycle. If you live in the town, it is often faster than a car and you worry about parking. A. must not B. may notC. should not D. dont have toA D 2021/8/11 星期三30

22、Answer key for Ex.1:1.Then usually by lunchtime they would all be sold. (Possibility) 2.What could have happened ? (Possibility) 3.Nothing could be better (Possibility) 4.Something terrible must have happened if (Guessing)Discovering useful structures2021/8/11 星期三315. He could not believe his eyes.

23、(Ability)6. Perhaps he should go to the library and find out. (Duty)7. He could not have Yong Hui get away with telling people lies ! (Intention)8. He had better do some research ! (Duty)9. Even though her customers might get thin after eating Yong Huis food (Possibility)10.They would become tired v

24、ery quickly. (Ability)2021/8/11 星期三32 2. Choose suitable modal verbs from below to complete the following dialogues. There may be more than one possibility. ought/oughtnt to should/shouldnt mustnt/neednt/ (dont) have to will /can/cant2021/8/11 星期三331 SAM: How can I grow thinner, Mum?MUM: Well, you _

25、 eat food with plenty of fibre that helps you digest better. And you _ stop drinking cola or eating sweet food.SAM: Does it mean I_ eat my favourite fried chicken any more?MUM: Not exactly, if you love fried chicken, you _ give it up. Just eat it less often. You _ worry too much: a little fried chicken_ do you good!have to should shouldnt n