1、 To know some modal verbs To learn how to use modal verbs To learn how to make comments about foodbedcahave todare nothad betterneedntbe able toWhat are modals?In English grammar,a modal,also known as a modal auxiliary or modal verb,is a verb that combines with infinitive without to(不带to的不定式)to expr
2、ess possibility,certainty,permission,request,ability,obligation,etc.a.Meaning:to indicate abilityUse be able to to fill the blanks.Up till now,he _get in touch with her.You _speak perfect English very soon.I regret _help her.hasnt been able to will be able tonot being able to Whats the difference be
3、tween be able to and can/could?Examples：He can swim.Im able to express my idea in a clear way.I could/was able to play the piano when I was young.They are used to indicate ability.Examples He could swim across the river.Though he was sick,he was able to swim across the river.We could reach the top o
4、f the mountain.After five hours of climbing,we were able to reach the top of the mountain.Though he was sickAfter five hours of climbingwas/were able to means that you succeeded in doing sth or managed to do sth in the past.Benny,the Polish scientist,has spent his lifetime studying active volcanoes
5、and deep caves in all parts of the world.In 1948,he went to a lake in the Congo to observe a new volcano which he later named Kituro.Benny _ set up his camp very close to the volcano while it was erupting violently.Though he managed to take a number of brilliant photographs,he _ stay near the volcan
6、o for very long.He noticed that a river of liquid rock was coming towards him.It threatened to surround him completely,but Benny managed to escape just in time.He waited until the volcano became quiet and he _ return two days later.This time,he managed to climb into the mouth of Kituro so that he _
7、take photographs and measure temperatures.Benny has often risked his life in this way.He _ tell us more about active volcanoes than any man alive.was able tocouldnt/wasnt able to was able tocouldhas been able tob.Meaning:to be brave enough to do sthDare he climb the tree?-No,he dare not.He dare not
8、go there because it is very dangerous.He doesnt dare to cross the river.He dares to cross the river.ordinary verbc.Meaning:to indicate obligations.phave tois a semi-modal verb.It is like a modal verb because it fulfils a specific function,but it behaves like an ordinary verb in its formulation.It ha
9、s different forms according to number,person and tense:I have to;he has to;she had to etc.c.Meaning:to indicate obligations.Think:whats the negative form of have to?I dont have to.She doesnt have to.It can combine with other modal verbs:You will have to.He might have to.d.Meaning:to express suggesti
10、ons,hopes and warningsForm:had better do sthShed better get here soon,or shell miss the opening ceremony.They had better not be late.e.Meaning:to show that sth is necessaryYou neednt seem him,but I must.Need I finish the work today?You need to see him.The bike needs repairing/to be repaired.ordinary
11、 verb In terms of obligation and advice,whats the difference between have to,must and should?Conclusion Obligation Advice have to obligations which depend on circumstances situational/external strong advicemust obligations that you feel strongly about personal strong adviceshould weak obligations(ma
12、y come from tradition,customs or culture)correct/right thing to do neutral advicecadb Appearance Smell Taste Feel shiny,large,round,pink,tiny,fresh fishy smoky,spicy,bitter,sweet,fruity tender,soft,juicy,cold,sticky,smooth,creamy 5.Underline the words that describe food in the activity and put them
13、into the table.shiny,large,round,pink,tiny,fresh 补充：transparent,burnt,bright,colourful,thick fishy(鱼腥味的)补充：stinky(发恶臭味的),fragrant(芳香的),pungent(刺鼻的)smoky,spicy,bitter,sweet,fruity 补充：sour,hot,tasty,raw,salty tender,soft,juicy,cold,sticky,smooth,creamy(像奶油的)补充：greasy(多油的),crispy,hard,chewy,rubbery(有弹性
14、的)fat chemicals amount soft drinks taste harmful 听力文本 Waiter：Are you ready to order?Janet：Yes.Im trying to eat more healthily，so Ill just have a salad to start.Waiter：Sure.What kind of dressing would you like on that?Janet：Id like to have.Harriet：interruptingNot a good idea，Janet.Salad with dressing
15、 always has a lot of sugar and fat，as well as unhealthy chemicals.Janet：Oh dear，maybe I wont have any dressing，then.Waiter：OK.Do you want anything to drink?We have soft drinks，juice，tea and coffee.Janet：The juice must be healthy.It comes from fruit，right?I think Ill have that.Harriet：Dont be so sure
16、!Did you know that a lot of fruit juice only has a small amount of real fruit?It mainly contains chemicals that taste like fruit.Even 100%fruit juice can have as much sugar as soft drinks.Janet：Uh，maybe Ill just have some water，then.Waiter：Fine.How about dessert?Janet：Do you have fat-free yoghurt?Ha
17、rriet：interruptingSorry，but theres a big problem with fat-free yoghurt，Janet.Yoghurt tastes very bad without fat.Thats why they add a lot of sugar to make it taste better.And you know sugar can be harmful if you eat too much.Janet：Oh，I see.Thanks for the advice，Harriet.Ill have a salad with no dress
18、ing and a glass of water.And I wont have dessert.Waiter：No problem.And，for you，madam?What would you like to order?Harriet：Oh，Ill have a double hamburger with French fries and a cola.Janet：What?Harriet：Aha.Just joking.Ill have the same as she ordered.Thanks!Student A:a salespersonStudent B:a customer
19、Role play An exampleA:Good morning,Maden.Can I help you?B:Id like to buy something to drink.Do you have anything to recommend?A:Yes,of course.Did you know that we have the most popular mixed fruit drink in our shop.B:Oh,really?I havent heard of that.Whats the drink made from?A:Its totally made from
20、natural products.Its a mix of six different fruits and vegetables.B:Does it have any additives like sugar in it and what does it taste like?A:No,the ingredients are 100%natural.Well,since there is no added sugar,the drink just keeps the original flavor of the ingredients.B:Then what are the benefits
21、 from drinking it?A:Well,the drink is rich in fibre and vitamins,so its good for our digestive system.B:How much is it?A:Its 15 yuan per bottle.Customers can get 20%off the total price if they buy five bottles or more at a time.B:OK,then Ill take five bottles.A:Here you are.Thank you.See you next time.
