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高中英语外研版 (2019)必修 第二册Unit 1 Food for thought说课课件ppt
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这是一份高中英语外研版 (2019)必修 第二册Unit 1 Food for thought说课课件ppt，共41页。PPT课件主要包含了 情态动词的定义， 情态动词的选择， need，Thinking，needn’t， must，must， dare，have to，can 等内容，欢迎下载使用。
Lk at the sentences frm the reading passage. Think and wrk ut the meanings f the wrds in bld.
a was able t hld a knife and frk—and chpsticks! b But there are still sme dishes that Dad dare nt try even after many years f marriage t my mther. c and I just have t find a way t get him int the kitchen! d ’d better nt eat t much rast fd as it may make us suffer frm heat inside ur bdies，... e “Yu needn’t try it if yu dn’t want t，”Mum said，...
Nw talk abut the functin f mdals. Then match the meanings t the wrds in bld abve.
a-5 b-1 c-4 d-3 e-2
1 be afraid t d smething 2 nt be necessary t d smething 3 give advice t d r nt t d smething 4 be necessary r give strng advice t d smething 5 have the ability t d smething
d. had better
a. be able t d
1. Yu needn’t try it if yu dn’t want t.2. The man can speak tw freign languages.3. The pr by had t face the prblem bravely.
情态动词_______独立作谓语，只能和_________一起构成谓语，没有数的变化，具有助动词功能。
情态动词 (Mdal verb)
1. 部分情态动词有时态变化（一般现在时/一般过去时）2. 情态动词无人称数的变化，除be able t, have t以外；
can/culd与be able t的区别
1. The man can/culd speak tw freign languages.2. Yesterday I was able t get hme befre the heavy rain.
can/culd表示_________________，而be able t通常表示通过努力达成的_____________，相当于managed t d； can/culd 主要是一般现在、一般过去时, 而be able t有较为丰富的时态变化。
1. be able t d sth. 有能力做某事可用于大多数时态 was/were able t d sth. 过去或当时成功地做了某事 a. I will be able t speak Japanese in anther few mnths.（再过几个月，我就能讲日语了。） b. They were able t escape frm the building when the fire brke ut. （火灾发生时，他们设法从那栋建筑里逃了出去。）
（1）The plice are ding all they t find her. （2）Yu must speak French fr this jb. （3）This time I failed the exam，but I’ll pass the exam next time.（4）The fire was very big，but mst peple escape frm it.
be able t
were able t
◆选词填空（be able t/can）
（5）I give yu details because I dn’t actually have any details. （6）He cme again tmrrw because he is busy. （7）When he was yung，he swim very fast. （8）I’m srry I answer yur letter in time. （9）He said that Tm get there n time because he gt up late.
wn’t be able t
wasn’t able t
wasn’t able t/culdn’t
1. need用作情态动词，表示“需要”(无时态与人称的变化)。 I need yur help. She need nt any help. (否定时，直接在情态动词后+nt)2. need用作实义动词，通常为“need t d sth”结构或“need+n” (有时态与人称的变化)。need t be dne=need V-ing Lily needs mre mney t pay fr that bk. (人称数的变化) Lily needed mre mney t pay fr that bk at that time. (时态变化) Lily desn’t need any mre mney t pay fr that bk. (否定，添加助动词)
以need开头的一般疑问句，否定回答用___________,肯定回答用__________;以must开头的一般疑问句，肯定回答用__________, 否定回答用_________________________________。
needn’t / dn’t have t
（1）I lve the weekend，because I （不必早起）n Saturdays and Sundays. （2） （我需要召集） the children tgether at nce? （3）We （不必打扮）. The party has been called ff. （4）I was a little nervus when I annunced my engagement t Grace，but I ____________________ （本来不必担心）. （5）—Must I ask fr her permissin? —N， （你不必）.
needn’t get up early
Need I gather
dn’t need t dress up
needn’t have wrried
yu needn’t/dn’t have t
must & have t
Must1. must表示“必须”(侧重于主观意愿); mustn’t表示“禁止”。 Must I d my hmewrk nw? Yu mustn't smke here.2. must表示推测，译为“准是，一定是”(只用于肯定句)。若用于否定句或疑问句，则用can’t (一定不是)。 There must be ther ways f slving the prblem. That can't be the nly way. Have t表示客观上的需要，强调被迫性，有“不得不”的含义。 Srry, I have t leave nw.
have t 与 must
（1）This bk nt be remved frm the library. （2）Jackie is ill s they change their plans. ◆完成句子（3）She （必须自己做）. I wn’t help her. （4）She （不得不自己做）. She has gt n ne t help her. （5）Yu （千万别说） things like that.（6）Yu （不必说）things like that t me.
must d it herself
has t d it herself
mustn’t say
dn’t have t say
◆选词填空（have t/must）
1. 作情态动词，译为“敢”，通常只用于否定句、疑问句以及if或whether之后，一般不用于肯定句。(无人称变化，有过去式dared) Dare yu tell her the truth? I daren't ask her this questin. 2. 作实义动词，译为“敢于”，通常为“dare t d sth” (有人称与时态的变化） She dares t g alne. She desn’t dare t g alne. She didn’t dare t g alne.
◆一句多译她晚上不敢一个人出去。（1） （dare 作情态动词） （2） （dare 作实义动词） 她晚上敢一个人出去吗？ （3） （dare 作情态动词） （4） （dare 作实义动词）
She dare nt g ut alne at night.
She desn’t dare（t）g ut alne at night.
Dare she g ut alne at night?
Des she dare（t）g ut alne at night?
◆完成句子（5）He wanted t ask her，but he （不敢）（6） （你竟敢用） my car withut asking!
dared nt/didn’t dare
Hw dare yu use
had better 意为“最好”，主要用来表示劝告或建议。用于一般现在时或一般将来时，适用于所有人称，否定式为had better nt。
had better d sth. 最好做某事had better nt d sth. 最好不要做某事We had better call in a specialist at this critical mment. 在这个关键时刻我们最好请一位专家来。Yu had better nt d that. 你最好不要那样做。 We’d better nt just talk and let’s help them. 我们最好不要光说不做，让我们来帮助他们。
had better
◆完成句子（1）I think yu （最好去找医生看看）abut yur cugh. （2）We （最好现在就走） r we’ll miss the bus. （3）Befre getting the driver’s license，yu _________________（最好不要驾驶）the car n the rad.
had better g t the dctr
had better leave nw
had better nt drive
can, dare, must, need, have t
1.It is raining hard and I stay at hme. 2.He is taller than yu and he reach the apples n the tree. 3.My friend tells me that he nt try spicy fd. 4.As students,we wrk hard at ur lessns. 5.The railway statin is very near.Yu nt take a taxi.
Read the intrductin t an app, fill in the blanks with mdals, and explain their functins.
aren’t able t
needn’t / dn’t have t
Cmplete the tips fr gd table manners with the crrect frms f mdals
翻译句子1.那个小女孩晚上不敢出去。答案:The little girl dare nt g ut at night.2.你最好每天早晨锻炼半小时。答案:Yu had better wrk ut fr half an hur every mrning.3.把字典带给她。她或许会用得着。答案:Take the dictinary t her. She may use it.4.你没有必要去了,会议快要结束了。答案:Yu needn’t g because the meeting is abut t end.5.火车票售完了,我不得不乘飞机。答案:The train tickets have been sld ut,s I have t g by air.
1 Backyard BBQ, Kansas City, US 2 Bund 59, Shanghai, China 3 Antni’s Pizzeria, Lndn, UK4 Madame Laurent’s Bakery, Paris, France
Read and match the cmments t the pictures.
Underline the wrds that describe fd in Activity 4 and put them int the table.
shiny largerund pink tiny fresh
smky spicybittersweetfruity
tendersft juicycld stickysmth creamy
Talk abut yur favurite fd using the wrds yu have learnt.
A: What’s yur favurite fd?B: My favurite fd is…A: Hw des it lk /smell / taste / feel?B: It lks / smells / taste / feels…
_________ n. （事物的）功能，作用2. _________ v. 下载（信息或程序）3. _________ adj. 有关系的，相关的4. _________ n. 日常饮食5. _________ n. 对……着迷的人6. _________ n. 指点，建议7._________ n. 风俗，习惯，传统8. _________ n. 礼貌，礼仪
9. _________ n. 诀窍，技巧，技法10. _________ n. 盘，碟11. _________ n. 柄，把手12. _________ v. 不同，不一样，有区别13. _______ n. 烧烤野餐14. _________ adj. 嫩的，软的（尤指烹饪 恰到好处）15. _________ n. 牛排16. _________ n. 调味汁，酱汁
17. _________ adv. 略微，稍微18. _________ adv. 极端地，非常地19. _________ n. 比萨饼餐厅20. _________ adj. 苦的，有苦味的21. _______ n. 面包店，糕饼店22. ___________ n. 干酪蛋糕23. _________ adj. 似奶油的，软厚平滑的， 光滑细软的24. ___________ v. 推荐
25. ___________ adj. （全是）蔬菜的， 没有肉类的26. _________ n. 酸（一种化学物质）27. _________ v. 侵袭，侵蚀28. _________ n. 酸乳，酸奶29. _________ prep. 在……里
1. ______________ 餐桌礼仪 2. _______________ 不例外 3. ___________ 拿起，捡起，拾起4. ___________ 万一5. ___________ 以……开始6. ______________________ 说服某人干某事
table manners
start with
be n exceptin
persuade sb. t d sth.
2. addict n. 对……着迷的人；吸毒成瘾的人
addicted adj. 上瘾的；对……着迷的addictive adj. 使人上瘾的；使人入迷的addictin n. 瘾；入迷，嗜好
be/becme/get addicted t
单句语法填空(1) Once yu get __________(addict) t drugs， yu have difficulty getting rid f them.(2) What wrries him mst is that his sn has been addicted t ________ (play) cmputer games.(3) Tbacc is highly _________(addict) because it cntains nictine.(4) Smking is a harmful habit and makes peple _________(addict) nce they start ding it.
Part ThreeListening
Listen t the cnversatin and tick the fd and drinks rdered.
Listen again and cmplete the ntes.
Act ut the cnversatin t persuade a custmer t buy a new mixed fruit drink.
Did yu knw that …?It’s made frm…It’s rich in…Abslutely. It’s gd fr…There’s…ff the ttal price.
What’s … made frm?Des it have any… in it?Is it gd fr…?Hw much is it?
Lk at the sentences frm the reading passage. Think and wrk ut the meanings f the wrds in bld.
a was able t hld a knife and frk—and chpsticks! b But there are still sme dishes that Dad dare nt try even after many years f marriage t my mther. c and I just have t find a way t get him int the kitchen! d ’d better nt eat t much rast fd as it may make us suffer frm heat inside ur bdies，... e “Yu needn’t try it if yu dn’t want t，”Mum said，...
Nw talk abut the functin f mdals. Then match the meanings t the wrds in bld abve.
a-5 b-1 c-4 d-3 e-2
1 be afraid t d smething 2 nt be necessary t d smething 3 give advice t d r nt t d smething 4 be necessary r give strng advice t d smething 5 have the ability t d smething
d. had better
a. be able t d
1. Yu needn’t try it if yu dn’t want t.2. The man can speak tw freign languages.3. The pr by had t face the prblem bravely.
情态动词_______独立作谓语，只能和_________一起构成谓语，没有数的变化，具有助动词功能。
情态动词 (Mdal verb)
1. 部分情态动词有时态变化（一般现在时/一般过去时）2. 情态动词无人称数的变化，除be able t, have t以外；
can/culd与be able t的区别
1. The man can/culd speak tw freign languages.2. Yesterday I was able t get hme befre the heavy rain.
can/culd表示_________________，而be able t通常表示通过努力达成的_____________，相当于managed t d； can/culd 主要是一般现在、一般过去时, 而be able t有较为丰富的时态变化。
1. be able t d sth. 有能力做某事可用于大多数时态 was/were able t d sth. 过去或当时成功地做了某事 a. I will be able t speak Japanese in anther few mnths.（再过几个月，我就能讲日语了。） b. They were able t escape frm the building when the fire brke ut. （火灾发生时，他们设法从那栋建筑里逃了出去。）
（1）The plice are ding all they t find her. （2）Yu must speak French fr this jb. （3）This time I failed the exam，but I’ll pass the exam next time.（4）The fire was very big，but mst peple escape frm it.
be able t
were able t
◆选词填空（be able t/can）
（5）I give yu details because I dn’t actually have any details. （6）He cme again tmrrw because he is busy. （7）When he was yung，he swim very fast. （8）I’m srry I answer yur letter in time. （9）He said that Tm get there n time because he gt up late.
wn’t be able t
wasn’t able t
wasn’t able t/culdn’t
1. need用作情态动词，表示“需要”(无时态与人称的变化)。 I need yur help. She need nt any help. (否定时，直接在情态动词后+nt)2. need用作实义动词，通常为“need t d sth”结构或“need+n” (有时态与人称的变化)。need t be dne=need V-ing Lily needs mre mney t pay fr that bk. (人称数的变化) Lily needed mre mney t pay fr that bk at that time. (时态变化) Lily desn’t need any mre mney t pay fr that bk. (否定，添加助动词)
以need开头的一般疑问句，否定回答用___________,肯定回答用__________;以must开头的一般疑问句，肯定回答用__________, 否定回答用_________________________________。
needn’t / dn’t have t
（1）I lve the weekend，because I （不必早起）n Saturdays and Sundays. （2） （我需要召集） the children tgether at nce? （3）We （不必打扮）. The party has been called ff. （4）I was a little nervus when I annunced my engagement t Grace，but I ____________________ （本来不必担心）. （5）—Must I ask fr her permissin? —N， （你不必）.
needn’t get up early
Need I gather
dn’t need t dress up
needn’t have wrried
yu needn’t/dn’t have t
must & have t
Must1. must表示“必须”(侧重于主观意愿); mustn’t表示“禁止”。 Must I d my hmewrk nw? Yu mustn't smke here.2. must表示推测，译为“准是，一定是”(只用于肯定句)。若用于否定句或疑问句，则用can’t (一定不是)。 There must be ther ways f slving the prblem. That can't be the nly way. Have t表示客观上的需要，强调被迫性，有“不得不”的含义。 Srry, I have t leave nw.
have t 与 must
（1）This bk nt be remved frm the library. （2）Jackie is ill s they change their plans. ◆完成句子（3）She （必须自己做）. I wn’t help her. （4）She （不得不自己做）. She has gt n ne t help her. （5）Yu （千万别说） things like that.（6）Yu （不必说）things like that t me.
must d it herself
has t d it herself
mustn’t say
dn’t have t say
◆选词填空（have t/must）
1. 作情态动词，译为“敢”，通常只用于否定句、疑问句以及if或whether之后，一般不用于肯定句。(无人称变化，有过去式dared) Dare yu tell her the truth? I daren't ask her this questin. 2. 作实义动词，译为“敢于”，通常为“dare t d sth” (有人称与时态的变化） She dares t g alne. She desn’t dare t g alne. She didn’t dare t g alne.
◆一句多译她晚上不敢一个人出去。（1） （dare 作情态动词） （2） （dare 作实义动词） 她晚上敢一个人出去吗？ （3） （dare 作情态动词） （4） （dare 作实义动词）
She dare nt g ut alne at night.
She desn’t dare（t）g ut alne at night.
Dare she g ut alne at night?
Des she dare（t）g ut alne at night?
◆完成句子（5）He wanted t ask her，but he （不敢）（6） （你竟敢用） my car withut asking!
dared nt/didn’t dare
Hw dare yu use
had better 意为“最好”，主要用来表示劝告或建议。用于一般现在时或一般将来时，适用于所有人称，否定式为had better nt。
had better d sth. 最好做某事had better nt d sth. 最好不要做某事We had better call in a specialist at this critical mment. 在这个关键时刻我们最好请一位专家来。Yu had better nt d that. 你最好不要那样做。 We’d better nt just talk and let’s help them. 我们最好不要光说不做，让我们来帮助他们。
had better
◆完成句子（1）I think yu （最好去找医生看看）abut yur cugh. （2）We （最好现在就走） r we’ll miss the bus. （3）Befre getting the driver’s license，yu _________________（最好不要驾驶）the car n the rad.
had better g t the dctr
had better leave nw
had better nt drive
can, dare, must, need, have t
1.It is raining hard and I stay at hme. 2.He is taller than yu and he reach the apples n the tree. 3.My friend tells me that he nt try spicy fd. 4.As students,we wrk hard at ur lessns. 5.The railway statin is very near.Yu nt take a taxi.
Read the intrductin t an app, fill in the blanks with mdals, and explain their functins.
aren’t able t
needn’t / dn’t have t
Cmplete the tips fr gd table manners with the crrect frms f mdals
翻译句子1.那个小女孩晚上不敢出去。答案:The little girl dare nt g ut at night.2.你最好每天早晨锻炼半小时。答案:Yu had better wrk ut fr half an hur every mrning.3.把字典带给她。她或许会用得着。答案:Take the dictinary t her. She may use it.4.你没有必要去了,会议快要结束了。答案:Yu needn’t g because the meeting is abut t end.5.火车票售完了,我不得不乘飞机。答案:The train tickets have been sld ut,s I have t g by air.
1 Backyard BBQ, Kansas City, US 2 Bund 59, Shanghai, China 3 Antni’s Pizzeria, Lndn, UK4 Madame Laurent’s Bakery, Paris, France
Read and match the cmments t the pictures.
Underline the wrds that describe fd in Activity 4 and put them int the table.
shiny largerund pink tiny fresh
smky spicybittersweetfruity
tendersft juicycld stickysmth creamy
Talk abut yur favurite fd using the wrds yu have learnt.
A: What’s yur favurite fd?B: My favurite fd is…A: Hw des it lk /smell / taste / feel?B: It lks / smells / taste / feels…
_________ n. （事物的）功能，作用2. _________ v. 下载（信息或程序）3. _________ adj. 有关系的，相关的4. _________ n. 日常饮食5. _________ n. 对……着迷的人6. _________ n. 指点，建议7._________ n. 风俗，习惯，传统8. _________ n. 礼貌，礼仪
9. _________ n. 诀窍，技巧，技法10. _________ n. 盘，碟11. _________ n. 柄，把手12. _________ v. 不同，不一样，有区别13. _______ n. 烧烤野餐14. _________ adj. 嫩的，软的（尤指烹饪 恰到好处）15. _________ n. 牛排16. _________ n. 调味汁，酱汁
17. _________ adv. 略微，稍微18. _________ adv. 极端地，非常地19. _________ n. 比萨饼餐厅20. _________ adj. 苦的，有苦味的21. _______ n. 面包店，糕饼店22. ___________ n. 干酪蛋糕23. _________ adj. 似奶油的，软厚平滑的， 光滑细软的24. ___________ v. 推荐
25. ___________ adj. （全是）蔬菜的， 没有肉类的26. _________ n. 酸（一种化学物质）27. _________ v. 侵袭，侵蚀28. _________ n. 酸乳，酸奶29. _________ prep. 在……里
1. ______________ 餐桌礼仪 2. _______________ 不例外 3. ___________ 拿起，捡起，拾起4. ___________ 万一5. ___________ 以……开始6. ______________________ 说服某人干某事
table manners
start with
be n exceptin
persuade sb. t d sth.
2. addict n. 对……着迷的人；吸毒成瘾的人
addicted adj. 上瘾的；对……着迷的addictive adj. 使人上瘾的；使人入迷的addictin n. 瘾；入迷，嗜好
be/becme/get addicted t
单句语法填空(1) Once yu get __________(addict) t drugs， yu have difficulty getting rid f them.(2) What wrries him mst is that his sn has been addicted t ________ (play) cmputer games.(3) Tbacc is highly _________(addict) because it cntains nictine.(4) Smking is a harmful habit and makes peple _________(addict) nce they start ding it.
Part ThreeListening
Listen t the cnversatin and tick the fd and drinks rdered.
Listen again and cmplete the ntes.
Act ut the cnversatin t persuade a custmer t buy a new mixed fruit drink.
Did yu knw that …?It’s made frm…It’s rich in…Abslutely. It’s gd fr…There’s…ff the ttal price.
What’s … made frm?Des it have any… in it?Is it gd fr…?Hw much is it?
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