新概念青少版2A-27课.ppt

Lesson 27Chocolate heaven!新新概概念念2A一一Listening and understandingQuestions: how much chocolate contain?Answers: There are no non-cocoa vegetable fats in Marconi’s chocolate.Lucy: I’m going out, Mum. Please can I get some chocolate? We had some sweets last week end, but we didn’t have any chocolate.• Lucy: And we didn’t have much chocolate the weekend before last.•Karen: You and your chocolate! OK, but you must share it with everyone else!Lucy: I’m back, mum! These are the chocolates! They didn’t have any nice boxes at the supermarket! These chocolates are from Marconi’s. They’re really special.•Robert: But chocolate is chocolate, isn’t it?•Why does a fancy box make it special?•Karen: Good question. Listen to this. This chocolate contains fifty percent cocoa,•Marconi’s chocolate uses only pure cocoa butter,•There are no non-cocoa vegetable fats in Marconi’s chocolate.•Lucy: Mm! This is chocolate heaven!•It feels different in your mouth.•Paul: Chocolate heaven is expensive. It feels different in your pocket, too!一般过去时一般过去时:•动作发生在过去，常指动作已经发生过.•一般过去时中动词动词只能用动词动词的过去式的过去式•明确表示过去的时间明确表示过去的时间如:yesterday/last week/ago等等，只能用一般过去时。

•主系表结构（表示主语是什么，处主系表结构（表示主语是什么，处于什么状态和特征）于什么状态和特征）1.肯定句：肯定句：主语+was/were+其他eg: Tom was in Beijing last week.•系动词be的过去式：was(用于I和三单后)were(其它后)2.否定句：否定句：主语+wasn’t/weren’t +其他eg: They weren’t at home yesterday afternoon.3.一般疑问句：一般疑问句：Was/Were+主语+其他?eg: Was Tom ill last week?4.特殊疑问句特殊疑问句: 特殊疑问词+ was/were+主语+其他?eg: Where were you 3 days ago?•主谓宾结构（表示一个具体的动作，句中有一个实义动词，且否定和疑问需用助动词did帮忙,助动词后必须恢复动词原形肯定句：主语+动词过去式+其他eg: I worked in there last year.否定句：主语+didn’t+动词原形+其他eg: He didn’t have breakfast yesterday.一般疑问句： Did +主语+动词原形+其他？eg: Did you have breakfast yesterday?特殊疑问句：特殊疑问词+did +主语+动词原形+其他？eg: What did you have yesterday?•There be 句型的一般过去时：句型的一般过去时：肯定句肯定句：There +be(was/were)+某人/物+某时/地eg: There was some snow on the hills last winter.否定句否定句：There +be(wasn’t/weren’t)+某人/物+某时/地eg: There wasn’t any snow on the hills last winter.一般疑问句一般疑问句：Was/Were there 某人/物+某时/地?eg: Was there any snow on the hills last winter?•(表示在过去某地有什么表示在过去某地有什么…..)•特殊疑问句特殊疑问句：•1.特殊疑问词特殊疑问词+was/were there 某人某人/物物+某时某时/地地?•eg: When was there any snow on the hills?2.How many/How much+某人某人/物物+was/were there +某时某时/地地?(提问数量时提问数量时)eg: How many students were there in the room yesterday?•规则动词过去式变化:+ed•1.动词+ed worked•2.e+d arrived•3.辅音字母+y结尾，y→i,+ed studied•4.重读闭音节，双写最后一辅音字母+ed travelled不规则动词过去式变化：不规则动词过去式变化：•buy---bought come---came do---did sit---sat sell---sold•drive---drove eat---ate feel---felt•fly---flew go---went put---put•read---read ride---rode see---saw•bring---brought get up---got up•give---gave leave---left•meet---met run---ran•say---said sleep---slept•take---took tell---told•win---won write---wrote•C. 写出下列动词的过去式写出下列动词的过去式 （（10分）分） 1. have 2. do 3. eat 4. buy 5. break 6. come 7. tell 8. write 9. put 10. sell 11. read 12. cut 13. go 14. see 15. wait 16. drive 17. fly 18. sit 19. sleep 20. giveGuided conversation•A) Example:•Lucy’s going out, isn’t she? Yes, she is.1 She wants to get some chocolate, doesn’t she? Yes, she does.2 They had some sweets last weekend, didn’t he? Yes, they did.•3 They didn’t have any chocolate last weekend, did they?•No, they didn’t.•4 They didn’t have any chocolate the weekend before last, did they?•No, they didn’t.•5 They didn’t have any nice boxes at the supermarket, did they?•No, they didn’t.•6 The chocolates are special, aren’t they?•Yes, they are.•7 Marconi’s chocolate contains fifty percent cocoa, doesn’t it?•Yes, it does.•8 Marconi’s chocolate contains uses only pure cocoa butter, doesn’t it?.•Yes, it does.b) Example: Does Lucy want to get some fruit? No, she doesn’t . She wants to get some chocolate.•1 Did they have any chocolate last weekend?•No, they didn’t. They had some sweets last weekend.•2 Did they have a lot of chocolate the weekend before last?•No, they didn’t.•3 Are the chocolates quite ordinary?•No, they aren’t. They are special.•4 Does Marconi’s chocolate contain ninety percent cocoa?•No, it doesn’t. It contains fifty percent cocoa.•5 Are there any non-cocoa vegetable fats in Marconi’s chocolate?•No, there aren’t. There are no non-cocoa vegetable fats in Marconi’s chocolate.•6 Is chocolate heaven cheap?•No, it isn’t. It is expensive.c) Example: What does Lucy want to get from the shops?(she wants to get) some chocolate.•1 Why does she want to get some chocolate?•She wants to eat.•2 Who must Lucy share the chocolate with?•Karen .•3 Where are the chocolates from?•They are from Marconi’s.•4 What kind of a box are they in?•They are in a fancy box.•5 How much cocoa does Marconi’s chocolate contain？？•It contains fifty percent cocoa.•6 What kind of butter does their chocolate use?•Their chocolate use pure cocoa butter.•7 What does Marconi’s chocolate not contain?•It doesn’t contain non-cocoa vegetable fats.2 Ask questions about the text•Example :they/have/sweets/last weekend? (when…)A: Did they have any sweets last weekend?B: Yes, they did.A: When did they have some sweets?B: Last weekend.•1 they/have /nice boxes/ Marconi’s ? （（Where…?) •They have any nice boxes in Marconi’s.•A: Do they have any nice boxes in Marconi’s? •B: Yes, they do’.•A: Where do they have any nice boxes?•B: Marconi’s.•2 Marconi’s chocolates/ really special? (What…like…?)•Marconi’s chocolates are really special•A. Are Marconi’s chocolate really special?•B: Yes, they are.•A: What are Marconi’s chocolates like?•B: They are really special.•3 Marconi’s chocolate/contain/fifty percent cocoa? (How much…?)•Marconi’s chocolate contains fifty percent cocoa.•A: Does Marconi’s chocolate contain fifty percent cocoa?•B: It does.•A: How much cocoa does Marconi’s chocolate contain ?•B: Fifty percent.•4 Marconi’s chocolate/use/pure cocoa butter? (What kind of…?)•Marconi’s chocolate uses pure cocoa butter.•A: Does Marconi’s chocolate use pure cocoa butter?•B: Yes, it does.•A: What kind of Marconi’s chocolate??•B: It uses pure cocoa butter.3 Ask each other these questions•1 Do you like chocolate? Why? Why not?•2 Do you like hot chocolate drinks? Why? why not?•3 Where can you buy chocolate? Is it cheap or expensive?•4 Do some people give fancy boxes of chocolates as presents? Do you?See you next week!。