新概念青少版2A_27课+一般过去时

1、 Unit 14 Chocolate heaven! 巧克力巧克力是一个外来词，是chocolate的译音，曾被翻译没“朱古力”。主要原料是可可豆（像椰子般的果实，在树干上会开花结果）。 德芙=DOVE D=DO O=YOU V=LOVE E=ME 连起来是Do you love me？Listening and Understanding 听力理解听力理解Listen to the recording, and then answer these questions: How much cocoa dos Marconis chocolate contain? 听录音，然后回答问题：马可尼牌

2、巧克力含有多少可听录音，然后回答问题：马可尼牌巧克力含有多少可 可粉可粉 ？Guided conversation A) Example: Lucys going out, isnt she? Yes, she is.1 She wants to get some chocolate, doesnt she? Yes, she does.2 They had some sweets last weekend, didnt he? Yes, they did. 3 They didnt have any chocolate last weekend, did they? No, they did

3、nt. 4 They didnt have any chocolate the weekend before last, did they? No, they didnt. 5 They didnt have any nice boxes at the supermarket, did they? No, they didnt. 6 The chocolates are special, arent they? Yes, they are. 7 Marconis chocolate contains fifty percent cocoa, doesnt it? Yes, it does. 8

4、 Marconis chocolate contains uses only pure cocoa butter, doesnt it?. Yes, it does.b) Example: Does Lucy want to get some fruit? No, she doesnt . She wants to get some chocolate. 1 Did they have any chocolate last weekend? No, they didnt. They had some sweets last weekend. 2 Did they have a lot of c

5、hocolate the weekend before last? No, they didnt. 3 Are the chocolates quite ordinary? No, they arent. They are special. 4 Does Marconis chocolate contain ninety percent cocoa? No, it doesnt. It contains fifty percent cocoa. 5 Are there any non-cocoa vegetable fats in Marconis chocolate? No, there a

6、rent. There are no non-cocoa vegetable fats in Marconis chocolate. 6 Is chocolate heaven cheap? No, it isnt. 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

7、 chocolate with? Karen . 3 Where are the chocolates from? They are from Marconis. 4 What kind of a box are they in? They are in a fancy box. 5 How much cocoa does Marconis chocolate contain？ It contains fifty percent cocoa. 6 What kind of butter does their chocolate use? Their chocolate use pure coc

8、oa butter. 7 What does Marconis chocolate not contain? It doesnt 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 /nic

9、e boxes/ Marconis ? （Where?) They have any nice boxes in Marconis. A: Do they have any nice boxes in Marconis? B: Yes, they do. A: Where do they have any nice boxes? B: Marconis. 2 Marconis chocolates/ really special? (Whatlike?) Marconis chocolates are really special A. Are Marconis chocolate reall

10、y special? B: Yes, they are. A: What are Marconis chocolates like? B: They are really special. 3 Marconis chocolate/contain/fifty percent cocoa? (How much?) Marconis chocolate contains fifty percent cocoa. A: Does Marconis chocolate contain fifty percent cocoa? B: It does. A: How much cocoa does Mar

11、conis chocolate contain ? B: Fifty percent. 4 Marconis chocolate/use/pure cocoa butter? (What kind of?) Marconis chocolate uses pure cocoa butter. A: Does Marconis chocolate use pure cocoa butter? B: Yes, it does. A: What kind of Marconis chocolate? B: It uses pure cocoa butter.3 Ask each other thes

12、e 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? Some和any既可修饰可数名词又可修饰不可数名次，some常用在肯定句中，any用在否定句和疑问句中。 因此，some和any的用法主要考虑用在

13、肯定句、疑问句还是否定句中，与名词的可数与否无关。 I have some tea. I cant see any tea. Do you have any friends at school?动词的一般过去时态表示动词的一般过去时态表示。构成形式：构成形式：1.句中含有句中含有Be动词时动词时 主语主语+was/were+表语表语2.行为动词行为动词(即实义动词即实义动词)的的过去式没有人称过去式没有人称和数的变化和数的变化。 主语主语+动词过去分词动词过去分词+宾语宾语lastnightweekmonthMondaymorningafternooneveningthe day before

14、 yesterday 1.与与 连用连用2.与与 连用：连用：be的过去式：am-was is-was are-were一般过去时规则动词的构成形式1. 规则动词，在原形后加edwork-worked ask-asked2. 规则动词以不发音的e结尾的，只加dlike-liked love-loved3. 以辅音字母加y结尾的,变y为i,再加edstudy-studied carry-carried4. 以元音字母加y结尾的，直接加edenjoy-enjoyed play-played不规则变化没有规律可循，需特殊记忆dodid have-had go-wentsee-saw come-cam

15、e get-gotread-read give-gave eat-atemake-made find-foundlost-lost行为动词的一般过去式陈述句：主语+动词过去式+其他 I went to the movie.否定句：主语+助动词didnt+动词原形+其他 I didnt go to the movie.疑问句：助动词did+主语+动词原形+其他 Did you go to the movie?They _ in China today.他们今天在中国。他们今天在中国。They _ in Japan yesterday.他们昨天在日本他们昨天在日本。areweream/ iswas

16、arewere一般过去时的否定式是在动词原形一般过去时的否定式是在动词原形前加助动词前加助动词主语主语+didnt+动词原形动词原形I _ them the news.I _ (tell) them the news yesterday.didnt telltold一般过去时的一般疑问式在句一般过去时的一般疑问式在句首加助动词首加助动词didThey _(finish) their work at four.一般疑问句一般疑问句:Yes, they _. No, they _.一般过去时的特殊疑问式一般过去时的特殊疑问式They finished their work at four.ABWh

17、at did they do at four?When did they finish their work?1.外加助动词外加助动词后后,动词须返回原形。动词须返回原形。 he to school yesterday? he to school yesterday?2.简略回答用助动词简略回答用助动词代替代替行为动词。行为动词。he the boy yesterday?Yes, he .No, he 陈述句（陈述句（statements)主语主语动词动词 宾语（量词宾语（量词+单单/复复 /不可数名词）不可数名词）地点地点/时间状语时间状语We HadSome/ a lot of sweet

18、slast weekend.Theydidnt haveany / many boxes of chocolates any / much chocolate at the supermarket助动词的助动词的过去时过去时 主语主语动词动词宾语宾语方式方式/地点地点/时间状语时间状语回答回答DidtheyhaveAny / many sweetsLast weekend?Yes, they did/ No, they didntDidLucybuyAny / much chocolateWith her pocket money?Yes, she did / No, she didnt but any / muchDidThe supermarkethaveAny/many boxes of chocolateNo, they didnt have any/many一般疑问句（一般疑问句（Simple Questions)How+量词量词+复数或不可数名词构成的特殊疑问句复数或不可数名词构成的特殊疑问句问句问句回答回答How much chocolate did Lucy buy?She bought (quite) a lot./ not very mu