Unit5 A healthy diet Grammar课件 2026-2027学年译林版英语七年级上册

7A Unit 5 A healthy lifestyle Grammar Countable and uncountable nouns Lead-in： Revision What are Kitty's eating habits? Kitty has a healthy diet. She often _________________ ________ for breakfast. For lunch, she likes__________ _______ . She also eats _______________________every day. She seldom eats ______________because too much __________________________. What 's the part of speech （词性）of these words in red? has a pancake and some milk fish, meat and tofu lots of fruit and vegetables cakes or sweets sugar is bad for our teeth What's the difference between these nouns in red? They are nouns. Some of them are countable nouns(可数名词） and the others are uncountable nouns（不可数名词）. Types of nouns（名词的种类） Examples Countable nouns （可数名词） Singular（单数） Plural（复数） Uncountable nouns（不可数名词） Can you put them into different groups in the following table? pancake milk fish meat tofu fruit vegetables cakes sweets sugar teeth What are countable nouns? Countable nouns refer to something we can count. They have singular forms and plural forms. 可数名词是指可用数目来计算的人或物。他们有单数和复数形式。 Presentation What can we use before a singular countable noun? If the noun starts with a consonant sound, we use a. /ɒ/ /e/ /aʊ/ /ju/: ____ umbrella ____ unusual story ____ unhappy boy (1)以u开头的单词 ____ university ____ useful book ____ unit (2)以e开头的单词 ___ egg ____ European boy ____ honest boy (3)以h开头的单词 ____ hour 要特别注意区别以下单词： (3)以h开头的单词 ____ one-way street an an an a a a an a an an a 单数的可数名词或名词短语前，一般有限定词，如：冠词a/an、the ,指示代词this、that,形容词性物主代词my、your、 his、 her、 their our ,名词所有格one's等。 The book is interesting. This film is exciting. Mike's brother is friendly. He has a new classmate. His name is Jack. Our form teacher cares about us a lot. What else can we use before a singular countable noun besides a or an ? How to form the plural of countable nouns in most situations? To form the plural of most countable nouns,we add-s to the singular form. However, there are some exceptions. 1.大多数在词尾直接加s。 2.以“辅音字母+y”结尾的词, 去掉y,再加ies。 3.以s,x,ch,sh结尾的词,加es。 4.以o结尾的词,无生命加s，有生命加es。 5.以f或fe结尾的词,去掉f或fe,再加ves。 可数名词变复数的不规则变化 1.单复数同形 中国人Chinese — Chinese 绵羊sheep — sheep 鹿deer — deer 2.词尾发生变化 孩子child — children 3.改变单词的元音字母 男人man — men 妇女woman — women 牙齿tooth — teeth 脚foot — feet 鹅goose — geese 注意：集体名词的用法family,class 等强调整体概念时，谓语动词用单数，强调成员用复数； people，police,clothes等，为复数形式。 (1)My family _____（be)a big family. (2)My family _____ (be)all friendly. (3)The police _____(be)trying their best to find the missing boy. is are are 可数名词变复数后的发音如何? P144 Changes in pronunciation a man teacher — three men teachers a woman teacher — three women teachers a clothes shop—two clothes shops 其他的复合名词通常将后一个名词变为复数： a shoe store — two shoe stores a boy student — many boy students 注意: 1. 可数名词单数作主语时，谓语动词用单数形式。 Look，a boy __________ (fly)a kite in the park . 2.可数名词复数或两个（及两个以上的）可数名词单数并列作主语时，谓语动词用复数形式。 Many boys ______________(play) football in the playground now. An apple and a banana ______(be)on the table. 3.当可数名词有量词修饰时，和量词保持一致。 This pair of glasses _______(be) Daniel's. He wears them every day. is flying are playing are is 1.Australia is one of my favourite___________ (country) . 2.We always use________ (knife) to cut watermelons. 3.Look at all kindsof ______(photo)of_______(radio) from different places . 4.How many _______ (baby) elephants are there in the zoo? 5.Do you like reading animal________(story) . 6.-Are you _________ (member) of the Reading Club?-Yes, we all love reading. 7.I like watching _______(video) about football ________(match). 8.I can see five ________ (sheep) and two ______ (goose) on the farm. 9.We help the farmers in the mountains to pick tea ______ (leaf). 10.Linda likes to have __________ (tomato) and chicken for dinner. Exercises countries baby knives photos stories members videos sheep geese leaves tomatoes radios matches Practice: Daniel is reading a leaflet from the Get Fit Club. Some words are missing . Help him complete the sentences with a, an,or the correct forms of the nouns. an oranges a water an a a vegetables a salt snacks sleep What are uncountable nouns? Uncountable nouns refer to something we cannot count. 不可数名词指不可以计数的名词。 The soup smells great. 汤闻起来很香。 Do you have salt? 你有盐吗？ Presentation 不可数名词无单、复数之分，前面有无限定词均可。 一袋盐 一碗汤 一块奶酪 一杯水 两袋米 三杯茶 四千克肉 五盒牛奶 六瓶果汁 countable uncountable How can we show the amount of uncountable nouns? 注意：1.如果主语是不可数名词，谓语动词常用单数。 2.如果不可数名词有量词修饰，则和量词保持一致。 3.并列的不同的两个及以上的不可数名词作主语时，谓语动词用复数形式。 The milk _____ (be)for us.This carton______for me.The other two cartons of milk ______ (be)for you. The juice and the bread _____(be) also for you .Enjoy yourself! is is are are 对不可数名词的数量提问用How much;对计量不可数名词的量词的数量提问，则用how many提问。 There is some milk in the glass. Ther are two glasses of milk on the table. How much milk is there in the glass? How many glasses of milk are there on the table? 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。 two fish fish a chicken chicken some oranges orange all kinds of foods/fruits/chocolates 2条鱼 鱼肉 一只鸡 鸡肉 一些橙子 橙汁 各种各样的食物/水果/巧克力 Practice 1 --- orange juice do you want? --- Three. A. How many bottles of B. How many C. How much D. How much bottles of 2. Uncle Li has a farm. There are some on the farm. A. chicken and sheep B. chickens and sheeps C. chickens and sheep D. chicken and sheeps 3. I always have rice with and an apple lunch. A. fishes; in B. fishes; on C. fish; for D. fish; in 4. --- How many do we need to buy? --- Three. And don’t forget（忘记）to buy four . A. packets of salt; carrots B. cartons of milk; meat C. bags of carrots; salt D. kilos of meat; milk 5. There are thirty and three hundred in our school. A. man teacher; boy student B. men teachers; boys students C. men teachers; boy students D. man teachers; boy students C A C C A Practice apples oranges bananas cakes bread sweets chocolate bottles of water cartons of juice Tip 1:We can use the expressions to give advice! Tip 2:We can use the expressions to show support and agreement! Discussion Why do Millie and Simon want to choose the food above for a class party? Food Reasons (possible answers) fruit It is good for our health . snacks Some students have a sweet tooth. drinks They will feel thirsty after eating the snacks. It is important for us to choose healthy food for our classmates and it is necessary to think about what they may like. Talk with your partner about what food you need for a class party, using countable and uncountable nouns. A: What food do you need for our class party? B: Let’s get some…, some… and some…because... A: Sounds good. Maybe we should get some…and…too!They are... B: I like that idea! And for people with a…, we can also get some… and…! A: OK. Now, what about…? B: Hmm, we need…and…because... Production : Pair work 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 a/an的使用 规则 可数名词单数变 复数的变化规则 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 a用在辅音音素开头的单词前，an用在元音音素开头的单词前。 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 Summary Keep a healthy lifestyle for a better life! The word ”diet” is countable, but our “health” is uncountable. Have “a” healthy lifestyle, and our joy will be “uncountable”. Language points: 1. a piece of cheese 一块奶酪 piece n. 块，片；（文艺作品等的）一篇（首 / 幅…等） a piece of bread 一片面包 a piece of news一则消息 请为我们演奏一首乐曲吧. Please play __________________ for us. 2.Maybe we should get some cakes and bread too! maybe adv. 也许；大概 相当于perhaps 位于句首作状语 区分：may be 意为“可能是”，为“情态动词＋be”结构句中作谓语。 He in his office. you can find him there. A. maybe; Maybe B. may be; Maybe C. may be; May D. may be; May be a piece of music B Homework Compulsory homework: 1.Remember the words and phrases. 2.Preview Pronunciation on P63. Optional homework: Make a mind map to go over countable nouns and uncountable nouns. $