青少版新概念 1B unit25 课件.ppt

1、,welcome to our class!,New Concept English,love 爱，喜爱 pick 摘 salmon 鲑鱼 strawberry 草莓 piece 一片，一块 dessert 甜点 tonight 今晚 healthy 健康的 potato 土豆 meal 膳食 lettuce 生菜 worry 担心 cucumber 黄瓜 cream奶油 fantastic 极好的 first首先,名词的单复数变化：,规则：,1.一般情况加 -s,如：maps,bags,cars,2.以s, sh, ch, x等结尾的词加 -es,如：buses watches,3. 以不发

2、音的e结尾的单词，直接加-s,如： oranges,4. 以辅音字母加y结尾的词，变y为i 加es,如：baby-babies,5. 以o结尾的单词：,1.加-es的词： 英雄在土豆地里吃西红柿。,heroes potatoes tomatoes,2. 加-s的词：除了上面3个单词，其他以o结尾的词都加-s,pianos radios,3. 即可加s也可加 -es,zeros/es,6. 以f或fe 结尾的名词变复数时，变f/fe为v加-es,knife-knivesleaf-leaveswolf-wolves wife-wiveslife-livesthief-thieves；,名词变复数的

3、不规则变化：,1. 变单词中的元音部分。,foot-feettooth-teeth mouse-mice man-men woman-women,2. 加-ren,child-children,The weekend shopping,Unit 25,New Words and Expressions,weekend 周末 loaf 一块，一条 shopping 购物 Sunday lunch 星期日午餐 supermarket 超市 Sunday 星期日 make 攥写 boring 令人厌烦的 shopping list 购物清单 ice cream 冰激凌 need 需要 nasty 难

4、吃的,vegetables fruit,A: Do you like ? B: No, I dont. A: Do you like.? B: Yes, I do. A: Do you want any? B: No, thank you. A: What do you want? B: I want some.,potatoes apples,sweets chocolates,tea coffee,Communication,lets go shopping!,lets make a shopping list.,vegetables and fruit,two bags of sugar

5、,four packets of tea,one loaf of bread,a box of chocolates,a bottle of wine,Lucy: Mum, there isnt any sugar in the house. Karen: I know. I must go to the supermarket. Lets make a shopping list,The weekend shopping,I must go不可回避的义务。to the supermarket, “to”介词，后面接宾语。,There isnt表示“没有，不存在”。sugar不可数，所以用单数

6、isnt。 any sugar是不定量的，在否定句后面加any,不用 some.,Lucy: Ok. How much sugar do we need? Karen: Two bags. Lucy: Two bags of sugar,two bags of数字+可数度量单位+of+不可数名词,表示不可数名词量的多少,Watch and anser:,Lucy: We need some tea, too, Mum. There isnt much tea in the tin. Karen: Lets get four packets. Lucy: Four packets of tea.

7、,much+不可数名词用于否定句和疑问句。在肯定句中，我们说a lot of tea in the tin。,Lucy: What about food for the weekend,Mum? Karen: We need a loaf of bread, some meat for Sunday lunch, and some vegetables, too. What vegetables do we want, Lucy?,bread不可数，为了表示“多少”，要说a loaf of bread ,不是a/one bread。loaf复数为loaves, 和 knife/knives同。

8、,Lucy: One loaf of bread, a piece of meat, some vegetablesMum, these things are all really boring. What about some nice things for the weekend? Karen: What kind of things? Lucy: Well, chocolate,and icecream, perhaps,What about 后面用some,没用 any，实际上表示提议，希望得到“yes”回答,Karen: Youre right. Lets get a box of

9、chocolates. Some ice cream for you and the boys, and a bottle of wine for me and your father!,Lesson 50,Unit 25,Pronunciation,twenty happy heavy family easy busy Lucy strawberry beautiful music new nephew student stupid usual useless,New Words and Expressions,anything 任何事，任何物 else 另外，其他 bar 条 soap 肥

10、皂 large 大的 match 火柴 girlfriend 女朋友,a bag of,一包糖 a（one） bag of sugar 两包糖 two bags of sugar 三包糖 three bags of sugar 四包糖 four bags of sugar,a bottle of,一瓶酒 a (one) bottle of wine 两瓶酒 two bottles of wine 三瓶酒 three bottles of wine 四瓶酒 four bottles of wine,a packet of,一袋茶叶 a (one) packet of tea 两袋茶叶 two p

11、ackets of tea 三袋茶叶 three packets of tea 四袋茶叶 four packets of tea,How many-？,How many+ pieces of+不可数名词+ do we need? 我们需要某样不可数东西的包数/片数- 我们需要多少张纸呢？ How many pieces of paper do we need? 我们需要三张纸 We need three pieces of paper,How much-？,How much+不可数名词+ do we need? 我们需要某样不可数东西的量 我们需要多少纸呀？ How much paper do

12、 we need? 我们需要很多纸 We need lots of paper,two bags of sugar,four packets of tea,one loaf of bread,a box of chocolates,a bottle of wine,two bars of soap,Crossword Puzzle,Across 1. I want two loaves of bread,please. 6. Pauls girlfriends name is Claire. 7. Have a piece of cake! 8. Stop! I cant catch that

13、! 10. Salmon is a kind of fish. 12. Whats the matter? -Im not very well.,Down 2. This is my pen and this is Johns pen. These are our pens. 3. Lets make a shopping list. 4. Do you like icecream? - Yes, I love it! 5. There are some big trees in the park behind our school. 9. What time is it?- its half past ten. 11. Are you tired? -Yes, I am.,Thank You !,Home work:,1、抄写第76页和第78页的生词和短语各六遍。 2、跟读第76页单词三遍。 3、读熟课文第1段和第2段对话。 4、会背、会听写 weekend make Sunday boring, ice cream五个单词。 5、做完作业后，请家长在作业本上签字。,2 What does Paul want? He wants some matches. OK. Give him a box of matches. 3 What does