外研版 (2019)必修 第二册Unit 1 Food for thought集体备课课件ppt

这是一份外研版 (2019)必修 第二册Unit 1 Food for thought集体备课课件ppt，共26页。PPT课件主要包含了Modals1，Modals， have to等内容，欢迎下载使用。

教学教材：外研版高中英语新教材必修一
教学内容：Unit 1 Fd fr thught
第三课时：Using Language—Mdals 1
执教人：蔡文/深圳实验学校高中部
Feb. 14th, 2022
基于大观念的单元整体教学设计
Unit 1 Fd fr Thught
Lessn 1: Starting ut & Vcabulary了解饮食相关话题词汇
Lessn 2: Understanding ideas了解各国特色美食学会欣赏尊重饮食文化差异
Lessn 3: Using language 学会用情态动词对餐桌礼仪提议掌握如何对美食进行多角度评价
Lessn 4: Listening & Speaking学习并谈论如何保持健康饮食
Lessn 5: Develping ideas了解不同饮食习惯，对饮食习惯进行评判，改善自己的饮食结构
Lessn 6: Writing创写菜谱（介绍美食）
Lessn 7: Presenting ideas & Reflectin向联合国举荐一道中国美食：介绍并推荐
单元大观念 了解各国特色美食，学会理解并描述不同饮食文化异同，提升多元文化视野；学习均衡饮食结构，养成健康的生活方式；了解中国饮食文化特色，介绍并推荐中国特色美食，培养文化自信。
Unit 1Fd fr thught
Lk at the sentences frm the reading passage.Pay attentin t the wrds in bld.
I was able t hld a knife and frk—and chpsticks!But there are still sme dishes that Dad dare nt try even after many years f marriage t my mther.Mum and I just have t find a way t get him int the kitchen.We’d better nt eat t much rast fd as it may make us suffer frm heat inside ur bdies.“Yu needn’t try it if yu dn’t want t,” Mum said.
What are mdals?
In English grammar, a mdal, als knwn as a mdal auxiliary r mdal verb, is a verb that cmbines with infinitive withut ‘t’ (不带t的不定式) t express pssibility, certainty, permissin, request, ability and etc.
Match the meanings t the wrds in bld.
1 be afraid t d smething2 nt be necessary t d smething3 give advice t d r nt t d smething4 be necessary r give strng advice t d smething5 have the ability t d smething
1. be able t
Meaning: t indicate abilityIt shuld be changed int crrect frms accrding t different situatins.
Use ‘be able t’ t fill the blanks.Up till nw, he _________________get in tuch with her.Yu ____________speak perfect English very sn.I regret ________________help her.
hasn’t been able t
will be able t
nt being able t
What’s the difference between ‘be able t’ and ‘can/culd’?
be able t V.S. can
Examples：He can swim.I’m able t express my idea in a clear way.I culd / was able t play the pian when I was yung.
They are used t indicate ability.
‘was/were able t’ means that yu succeeded in ding sth r managed t d sth in the past.
ExamplesHe culd swim acrss the river.Thugh he was sick, he was able t swim acrss the river. We culd reach the tp f the muntain. After five hurs f climbing, we were able t reach the tp f the muntain.
Thugh he was sick
After five hurs f climbing
Benny, the Plish scientist, has spent his lifetime studying active vlcanes and deep caves in all parts f the wrld. In 1948, he went t a lake in the Cng t bserve a new vlcan which he later named Kitur. Benny 1______________ set up his camp very clse t the vlcan while it was erupting vilently. Thugh he managed t take a number f brilliant phtgraphs, he 2______________ stay near the vlcan fr very lng. He nticed that a river f liquid rck was cming twards him. It threatened t surrund him cmpletely, but Benny managed t escape just in time. He waited until the vlcan became quiet and he 3_______________return tw days later. This time, he managed t climb int the muth f Kitur s that he 4______________ take phtgraphs and measure temperatures. Benny has ften risked his life in this way. He 5______________ tell us mre abut active vlcanes than any man alive.
culdn’t/wasn’t able t
has been able t
2. had better
Meaning: t express suggestins, hpes and warningsFrm: had better d sth
She’d better get here sn, r she’ll miss the pening ceremny.They had better nt be late.
3. dare & need
Meaning: t be brave enugh t d sth
Dare he climb the tree? ---N, he dare nt. He dare nt g there because it is very dangerus.He desn’t dare t crss the river.He dares t crss the river.
rdinary verb
Meaning: t shw that sth is necessary
Yu needn’t seem him, but I must.Need I finish the wrk tday?Yu need t see him. The bike needs repairing/t be repaired.
Meaning: t indicate bligatins.‘have t’is a semi-mdal verb. It is like a mdal verb because it fulfils a specific functin, but it behaves like an rdinary verb in its frmulatin.
It has different frms accrding t number, persn and tense:I have t; he has t; she had t etc.
Meaning: t indicate bligatins.
② Think : what’s the negative frm f ‘have t’?I dn’t have t. She desn’t have t.③ It can cmbine with ther mdal verbs:Yu will have t. He might have t.
In terms f bligatin and advice, what’s the difference between ‘have t’, ‘must’ and ‘shuld’?
Let’s practice!
If yu 1________(dare) try a ‘painful’ diet t stay healthy, this new app is the perfect slutin—and yu 2_______(need) pay fr it! The app wrks by quickly shwing phts f different fd. All yu 3______(have) t d is select the phts f healthy fd. Then yu 4_____________(be able t) train yur brain t select healthy fd in real situatins. S, if yu’re a sugar addict and 5_________(able) t say n t chclate r cla, yu 6_____(have) better dwnlad it nw!
will be able t
aren’t able
Cmplete the passage with crrect frms
Cmplete the tips fr gd table manners with crrect frms.
have tdarehad betterneedbe able t
1. Jhn, lk at the time. ____ yu play the pian at such a late hur?A. MustB. CanC. MayD. Need2. Lucy desn’t mind lending yu her dictinary.---She ____. I‘ve already brrwed ne.A. can’tB. mustn’tC. needn’tD. shuldn’t3. Sme aspects f a pilt’s jb ___ be bring, and pilts ften ___ wrk at incnvenient hurs.A. can; have tB. may; canC. have t; mayD. ught t; must4. Mst f the big htels were full at this time f the year, but finally we ____ find a rm in ne f thse small guest huses near the statin.A. ught tB. culdC. were able tD. might