资源简介 (共37张PPT)人教版七年级下册SectionAGrammar focusUnit4 Eat WellLearning objectives1. 学生能够通过观察和分析示例句子,深入理解并准确辨析可数名词与不可数名词以及选择疑问句表意功能。2.学生能够掌握并运用可数名词和不可数名词的表达规则。3. 学生能够熟练运用可数名词和不可数名词,并以朋友来家里做客给朋友提供食物和饮品为情境,和同伴角色扮演。What’s the video about Warming-upTom is going to do some shopping for his family. He makes a shopping list. Let’s figure out what he buys and complete the shopping list.orangepeachpearstrawberrywatermelonapplebananacherriesgrapeslemonfruitTom wants to buy...one appletwo bananascarrotcucumbergarliclettucemushroomonionpotatopepperpumpkintomatovegetablesTom wants to buy...two carrotssome garlictwo onionsbaconsausagessteakmeatballschickenbeefporklambhamribsmeatTom wants to buy...some porktwo sausagescheesecreambutterice creammilkyoghurtmilkshakedairy productssome cheesetwo cartons of milkTom wants to buy...hamburgersandwichpizzacandy barhot dogchipsfast foodtwo hamburgerssome potato chipsTom wants to buy...Let’s complete Tom’s shopping list.two carrots, some garlic,two onionsone apple, two bananassome pork, two sausagessome cheese, two cartons of milktwo hamburgers, some potato chipsPay attention to the red nouns and think: Why do some nouns end up with “s” and some not Countable and uncountable nouns.In English, we can count some things.appleancarrotacakeaapplestwocarrotsfivecakestencountable nouns (可数名词)In English, we can’t count some things.watersaltuncountable nouns (不可数名词)名词是用来表示人、事物、地点、概念等的词,按其所表示的事物的性质分为可数名词和不可数名词。语法概述One club, two clubThe mother is reading a story to her young children.There is an orange on the table.This job is sometimes difficult.These animal are cute.ss可数名词能以数目来计算,有单复数形式。2. 可数名词的数量大于1时或前面有 these/those, some/a lot of等词修饰时需用其复数形式。1. 单数形式一般不会单独出现,可与冠词,数词,指示代词等连用。名词特点 词尾加法 词尾读音方法 例词一般情况下加-s1. -s在清辅音后读[s]2. -s在浊辅音后读[z]3. -s在元音后读[z]4. 以音素[ s , z , ,d ] ]等结尾的,读[iz]desksdogstreesoranges以-s, -x, -sh, -ch 结尾的加-es-es读[iz]boxeswatches以 f 或 fe 结尾的改f或fe为v 再加-es-ves读[vz]kniveswives可数名词复数形式的规则变化:名词特点 词尾加法 词尾读音方法 例词改y为i 再加-es-ies读[iz]familiesdictionaries以元音字母加y结尾的加-s-s读[z]boyskeys以o 结尾的有生命的事物加-es-es读[z]tomatoespotatoes以辅音字母加y结尾的无生命的事物加-s-s读[z]photosradios可数名词复数形式的不规则变化类别 单数 复数单复数同形 deer(鹿) deerChinese(中国人) Chinesesheep(绵羊) sheep单复数不同形 词尾发生变化 child(小孩) children改变单词的元音字母 woman(妇女) womenman(男人) mentooth(牙齿) teethfoot(脚) feet不可数名词不能以数目来计算,没有复数形式。I usually have bread for my breakfast.My sister doesn’t like milk.Air has no smell.Water is important for us.* 不可数名词前不能用a/an或其他具体的数词来修饰。粉末/颗粒类,如:flour(面粉),rice(米饭)液体、气体等,如:water(水),air(空气)语言、学科等,如:English(英语),Chinese(汉语)肉类,如:beef(牛肉),pork(猪肉)油脂类,如:oil(油),butter(黄油)一些抽象名词,如:knowledge(知识),friendship(友谊)常见的不可数名词我们应该如何来表达不可数名词的数量呢?不可数名词量的表达1. 用much, a lot of, some, little, a little修饰不可数名词,表示量的多少。1) We have much homework today.2) There is a lot of water in the bottle.3) She needs some help.4) He has little time to finish his work.5) I have a little juice in my glass.2. 用数词+量词+of+不可数名词,表示具体的量。常用的量词有cup, glass, bottle, piece等。1) I had a cup of tea yesterday.2) She drinks a glass of milk every morning.3) He opened two bottles of orange juice.4) Can I have a piece of cake 量词既可与不可数名词连用,也可与可数名词连用。与可数名词连用时,可数名词必须用复数形式。如:two bags of apples既可作可数名词又可作不可数名词的词用法 例句food 通常作不可数名词,表示食物的总称; 当表示特定种类的食品时,其复数形式为foods。 The food here is very delicious.这儿的食物很美味。frozen foods冷冻食品用法 例句fruit 表示水果的总称时,为不可数名词; 表示水果的种类时,是可数名词,其复数形式为fruits。 I eat some fruit every day.我每天都吃一些水果。Apples, bananas and pears are my favorite fruits.苹果、香蕉和梨是我最喜欢的水果。ice-cream 表示“一份冰激凌”时,为可数名词时,用不定冠词修饰时,用an。 I like ice-cream.我喜欢冰激凌。Please give me an ice-cream.请给我一份冰激凌。作可数名词的词义 作不可数名词的词义chicken 鸡 鸡肉glass 玻璃杯 玻璃room 房间 空间time 次; 回 时间orange 橙子 橙汁有些名词既可作可数名词,又可作不可数名词, 但词义不同。有些名词既是可数名词,又是不可数名词,在不同语境中有不同用法。如很多表示蔬菜、动物等的名词, 一般来说是可数的,但是表示餐桌上的食品时, 就转换为不可数名词。a salad of tomato salada chicken chickensome oranges orangean ice cream ice cream一份番茄沙拉沙拉一只鸡鸡肉一些橙子橙汁一份冰淇淋冰淇淋Can you help these words find the right family possible answers:Countable nouns Uncountable nouns Countable&uncountablenounsbean, chip, cookie,dumpling, egg, noodle, strawberry, vegetablebeef, bread, meat, milk, mutton, pork, rice, sugar,tofucabbage, cake, chicken,drink, fish, food, fruit, salad, sweet, teaWhat do you usually have for breakfast I usually have some bread andmilk. Sometimes I have eggs andbeans.Which would you like with your meal, rice or noodles Noodles, please!Would you like juice or coffee No, thanks. I’d like a cup of tea.countableuncountable3aRead the sentences. Circle all the nouns for food and drink. Are they countable or uncountable in the context Pay attention to these two sentences.They are alternative questions.① — Is Joe's guitar on the bed or under the table — It's under the table.② — Do you like apples or pears — Both, thank you.③ — Where is Jill from, America or Australia — Neither. She is from the UK.★结构一般疑问句 + or +选择部分?特殊疑问句 + A or B ★答语选择疑问句不能用Yes或No作答,通常选择所提供的某个选项,或用neither表示两者都不选,both表示两者都选。选择疑问句是指提出两个或两个以上可能的答案供对方选择的句式。前一部分是一般疑问句或特殊疑问句,后面加上or提供给对方另一个可能的答案,让对方根据实际情况进行选择回答。在读选择疑问句的时候,前面的选项通常用升调,以引起对方的注意和思考。而最后一项用降调,表示选择的结束和确定。 1.Customer: Do you serve_______(fish) Waitress: Sir, we serve everyone.2.Waiter: Would you like the_____(bill) now Customer: You can bring it over, but I'msure I won't like it!3.Waitress: Would you like______(chip),________(noodle),or_______(rice) to go withyour _______(chicken) Customer: I don't know. Where is mychicken going fishbillchipsnoodlesricechicken3bComplete the jokes with the correct forms of the nouns in brackets.提供I try to eat healthy food every day. I eat fruit and_____________ (vegetable) with every meal. I don’t eat ________ (sweet). Instead, I have a pear, a banana, or some _____________ (strawberry)! I love juice, but my mum says that it’s not good to drink too much of it. It usually has a lot of _______ (sugar). Now I try to drink more _______ (water) and ______ (milk).vegetablessweetsstrawberriessugarwatermilk3cComplete the passage with the correct forms of the nouns in brackets.A: Would you like ... or ... B: I’d like ...A: What ... would you like, ... or ... B: ..., please.3dImagine that your friends are at your home. Offer them food and drink.可数名词和不可数名词可数名词不可数名词可数名词的含义不可数名词的含义不可数名词量的表达表示可以按照个数计算的名词,有单复数之分不能以数目来计算,不可以分割成个体的名词,没有复数形式,其前也不能用a/an或其他具体的数词来修饰。much, a lot of, some, little, a little数词+量词+of可数名词量的表达用冠词、基数词修饰用some, many, few, a few, a lot of等修饰Summary答语选择疑问句结构一般疑问句 + or + 选择部分?特殊疑问句 + A or B 不能用Yes或No作答,通常选择所提供的某个选项,或用neither表示两者都不选,both表示两者都选。含义选择疑问句是指提出两个或两个以上可能的答案供对方选择的句式。前一部分是一般疑问句或特殊疑问句,后面加上or提供给对方另一个可能的答案,让对方根据实际情况进行选择回答。语调前面的选项通常用升调,以引起对方的注意和思考。而最后一项用降调,表示选择的结束和确定。 Ⅰ. 根据语境,用括号内所给名词的适当形式填空。1. There isn't any _______(porridge) in the restaurant.2. Many _______(child) are playing in the park.3. I need to buy two boxes of _______(milk) for breakfast.4. Mom usually buys some vegetables and _______(meat) after work.5. There's some _______(cabbage) in the baozi.6. Those _______(animal) are in danger. Let's save them.7. We'd like three cups of _______(tea), please.porridgechildrenmilkmeatcabbageanimalsteaExercisesⅡ. 按要求完成句子。1. Sally has long black hair. (用short black hair改为选择疑问句)______ Sally ______ long black hair ______ short black hair 2. — What does Tina want to be, a musician or an actress (补全答语)— _____ ___________. She is good at singing.3. The little girl's shoes are big. (用small改为选择疑问句)______ the little girl's shoes ______ ______ small 4. red, your, is, black, bag, or ( ) (连词成句)__________________________________________Does have orA musicianAre big orIs your bag red or black HomeworkMust do Memorize the new words, expressions and sentences in Grammar Focus.Try to do 运用本课所学语法知识(选择疑问句,可数名词及不可数名词)写三个句子。谢谢21世纪教育网(www.21cnjy.com)中小学教育资源网站兼职招聘:https://www.21cnjy.com/recruitment/home/admin 展开更多...... 收起↑ 资源列表 food and drink.mp4 Unit4 Eat Well SectionA Grammar focus.pptx