2021版外研版必修二英语Unit 1 Using language P5 ppt课件.pptx

1、Using language P5 Unit 1 Food for thought Revision Underline the sentences below in the reading passage. a .I was able to hold a knife and fork and chopsticks! b .But there are still some dishes that Dad dare not try even after many years of marriage to my mother. c .Mum and I just have to find a wa

2、y to get him into the kitchen! d .wed better not eat too much roast food as it may make us suffer from heat inside our bodies, . e “You neednt try it if you dont want to,”Mum said,. Presentation Now talk about the function of modals. Then match them. 1 be afraid to do something 2 not be necessary to

3、 do something 3 give advice to do or not to do something 4 be necessary or give strong advice to do something 5 have the ability to do something a .I was able to hold a knife and fork and chopsticks! b .But there are still some dishes that Dad dare not try even after many years of marriage to my mot

4、her. c .Mum and I just have to find a way to get him into the kitchen! d .wed better not eat too much roast food as it may make us suffer from heat inside our bodies, . e “You neednt try it if you dont want to,” Mum said,. a-5 b-1 c-4 d-3 e-2 be afraid to do sth. not be necessary to do sth. Practice

5、 Underline the modals in the introduction to an app and talk about their meanings. be necessary to do sth. have the ability to do sth. give advice to do sth. dont have the ability to do sth. Summar y 情态动词情态动词 (1) 情态动词情态动词（Modals）本身具有一定的词义 ，不能独立作谓语，必须和动词原形动词原形一起构 成谓语。情态动词虽然数量不多，但用途广泛 。 常用的情态动词包括can (

6、could), may (might), will (would), shall (should), must, need, dare, had better, ought to, used to等。 1. be able to后接动词原形，表示某人做某事 的能力，可用于大多数时态。用于过去时 态时，还可以表示“某人过去或当时成功地 做了某事”。例如： I will be able to speak Japanese in another few months. 再过几个月，我就能讲日语了。 They were able to escape from the building when the

7、 fire broke out. 火灾发生时，他们设法从那栋建筑里逃 了出去。 几种常见情态动词的用法几种常见情态动词的用法： be able to表示“能力”时，和can的用法相似。但也 有区别： be able to有多种时态，如: was/were able to, will/ shall be able to, have/has been able to等, 而can只有两种时态，即can和could。 be able to强调通过努力而获得的能力，而can 则强调自身已具有的能力。如： She can sing the song in English. 她能用英语唱这首歌。 He w

8、ill be able to sing this song in English in a few minutes, too. 几小时之后，他也能用英语唱这首歌。 几种常见情态动词的用法几种常见情态动词的用法： 【be able to 与can的辨析】 be able to 强调一种结果，而can只强调一种可能。 如: Luckily, he was able to escape from the big fire in the end. 幸运的是，他终于逃出了大火。 If he got here a few hours earlier, I could save him. 要是他早几小时来，

9、我还能救他。 be able to的否定形式是在be后面直接加not，即be not able to，如： The kid is not able to write. 这孩子不会写字。 But we may not be able to do this for every scenario. 但是我们不能每一种场景下都这么做。 几种常见情态动词的用法几种常见情态动词的用法： dare作情态动词时，主要用于否定句、疑问句和 条件从句中，一般不用在肯定句中。 如：How dare you say Im unfair? 你怎么敢说我不公平？ 情态动词dare可以有过去式dared，但也可以直接 用d

10、are表示过去式，或后接动词完成式，如： Mother dare(d) not tell father shed given away his old jacket. 母亲不敢告诉父亲她把他的旧上衣送人了。 2. dare need 几种常见情态动词的用法几种常见情态动词的用法： dare用作实义动词，有时态、人称和数的变化。所不 同的是，作实义动词时，在肯定句中dare后面通常接 带to的不定式；在否定句和疑问句中，dare后可接带 to或不带to的不定式。如： a. I wonder how he dares (to) say such things. 我纳闷他怎么竟敢说出这样的话来。 b

11、. He does not dare (to) answer. 他不敢回答。 need表示“需要”或“必须”，作情态动词时，用于否定 句和疑问句中，在肯定句中一般用must, have to, ought to或should代替。如： You neednt come so early. 你不用这么早来。 几种常见情态动词的用法几种常见情态动词的用法： need作为行为动词，可用于肯定句、否定句和疑问句 中，其后可接名词、代词、动名词或带 to 的动词不 定式为其宾语。如： You need to practice reading aloud every day. neednt后接完成式可以表示

12、过去做了一件本来不必要 做的事情，如： -Did you answer the letter yesterday? -Yes, I did. -But you neednt have answered it. 注意对注意对need问句的回答问句的回答: -Need I finish the work today? -Yes, you must./ No, you neednt./ No, you dont have to. neednt 对其它情态动词的回答对其它情态动词的回答: -Shall I tell John about it? -No, you neednt/ dont have t

13、o. -Must we do it now? -No, you neednt/ dont have to. 几种常见情态动词的用法几种常见情态动词的用法： have to和must的意义相近，只是 must侧重表示 说话人的主观看法，而have to 则表示客观需要， 如： I must study hard. You have to hand in your compositions before next Monday. 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

14、. 他们目前没有必要买电脑。 have to 有人称、数和时态的变化，如： They had to speed up, for the weather turned terrible. He has to stay at home because of illness. 3. have to 几种常见情态动词的用法几种常见情态动词的用法： had better后接动词原形，意为“最好”，用于现在时 和将来时，可用于一切人称，没有任何词形变化。 had better的否定式是在其后加not，疑问式是把had 和not提前，例如： a. Youd better sit here and have

15、a rest. 你最好坐在这儿休息一下。 b. She had better not tell lies any more. 她最好再也别撒谎了。 c. Hadnt the doctor better see him? 医生是不是去看看他比较好？ 4. had better 几种常见情态动词的用法几种常见情态动词的用法： Production When we talk about the food, When we talk about the food, good table good table mannersmanners are much important.are much impo

16、rtant. While going on your first trip to the UK is exciting, new and different customs can also be confusing. Table manners are no exception. But dont worry - here are some tips: You _ wait until everyone else has been served before you start eating. Sometimes there are so many knives and forks that

17、 you _ pick them up in case you get it wrong. The trick is to start with the ones on the outside. Complete the tips for good table manners with the correct form of the modals in Activity 1. have to dare not When you finish your meal, you _ place the knife and fork together on your plate with the han

18、dles at the four o clock position. Table manners, however, can differ in different situations. For example, you _ use a knife and fork when eating a hamburger or pizza. Just remember: when in Rome, do as the Romans do, and you will _ enjoy the local cuisine! Complete the tips for good table manners with the correct form of the modals in Activity 1. had better neednt be able to Thank you!