Unit 4 Section A Grammar Focus课件 2024-2025学年人教版七年级英语下册

Section A Grammar Focus Unit 4 Eat Well 23002 学习目标 能掌握并运用可数名词和不可数名词的用法 能理解并掌握选择疑问句的用法 23002 Lead in Let’s watch a video! 23002 新课讲授 3a Read the sentences. Circle all the nouns for food and drink. Are they countable or uncountable in the context? What do you usually have for breakfast? I usually have some bread and milk.Sometimes I have eggs and beans. 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. 观察所圈单词，哪些是可数名词？哪些是不可数名词？它们有什么特点？ 23002 noodles rice juice coffee tea bread milk eggs beans Countable nouns Uncountable nouns Match 23002 Let’ learn 可数名词与不可数名词 1. 可数名词 ①可直接用a/an或具体的数词修饰 a cookie three cookies 23002 ②可用many/a few/few/some/any/a lot of/lots of等词（组）修饰 some apples many bananas 23002 可数名词复数变化规则 1) 一般情况加s: students, apples, bags, trees, books, brothers 2) 以s、x、sh、ch结尾的名词加es: glasses, boxes, brushes, matches 3) 以辅音字母加y结尾的名词, 变y为i，加es: cities, babies, enemies 4) 以f或fe结尾的名词，多数变f或fe为v加 es: wives, knives; 但有些词只加s: roofs, proofs, chiefs 5) 以o结尾的名词，有些加es: Negroes, heroes, tomatoes, potatoes; 其它加s: radios, zoos, pianos, photos. 6) 不规则变化： foot→ feet goose→ geese tooth→ teeth child→ children man→ men woman→ women sheep→ sheep deer→ deer mouse→ mice 23002 2. 不可数名词 ①不能直接用a/an或具体的数词修饰，表示确 切的数量时，需用“a/an或数词＋表示计量单位的名词＋of＋不可数名词”结构。 a cup of tea two bottles of milk 23002 ②可用much/a little/little/some/any/a lot of/lots of等词（组）修饰。 some juice 23002 3. 既作可数又可作不可数的名词 food: 食物的种类（可数） 食物的总称（不可数） time: 次数（可数） 时间（不可数） fish: 鱼的数量或种类（可数） 鱼肉（不可数） glass: 玻璃杯（可数） 玻璃（不可数） cabbage: 具体的棵数（可数） 卷心菜的整体概念（不可数） sweet: 糖果（可数） 泛指整体甜食（不可数） tea: 不同种类的茶；茶包（可数） 茶饮（不可数） 23002 Summary 可数名词 不可数名词 可数名词 不可数名词 定义 能用数目直接进行计数的名词。 不能用数目直接进行计数的名词。 有无复数形式 有单、复数形式。 没有复数形式。 数量的表达 直接用不定冠词a/an、具体的数词或many, some, any, a lot of, lots of等修饰。 不能用不定冠词或数词直接修饰。可以用some, any, much, a little, a lot of等修饰。 23002 3b Complete the jokes with the correct forms of the nouns in brackets. 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’m sure I won’t like it! 3. Waitress: Would you like ______(chip), _______(noodle) or ____(rice) to go with your ________(chicken)? Customer: I don’t know. Where is my chicken going? Countable nouns: bean, chip, cookie, dumpling, egg, noodle, strawberry, vegetable Uncountable nouns: beef, bread, meat, milk, mutton, pork, rice, sugar, tofu Countable & uncountable nouns: cabbage, cake, chicken, drink, fish, fruit, salad, sweet, tea fish bill chips noodles rice chicken 23002 3c Complete the passage with the correct forms of the nouns in brackets. 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). vegetables sweets strawberries sugar water milk 23002 What do you usually have for breakfast? I usually have some bread and milk.Sometimes I have eggs and beans. 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. Observe and Think 观察句子种类，你能找到选择疑问句吗？ 23002 Let’ learn 选择疑问句(Alternative questions) 一、定义 指提供两种或多种情况供对方选择的疑问句。 二、形式 1.一般疑问句形式 2.特殊疑问句形式 3.or not 形式 23002 1. 一般疑问句形式的选择疑问句 构成：一般疑问句+or+选择部分 eg：Are you a doctor or a teacher? 你是医生还是教师？ eg：Does he like this or that? 他喜欢这个还是喜欢那个？ 2. 特殊疑问句形式的选择疑问句 构成：特殊疑问句, A or B? eg：Which would you like, tea or coffee? 你想要哪样，是茶还是咖啡？ 3. or not构成的选择疑问句 eg：Are you ready or not? 你准备好没有？ eg：Do you like the film or not? 你喜不喜欢这部电影？ 23002 三、答语 1. 在所提供的备选对象范围内选择。 选择疑问句不能用yes或no回答，只能从句子中选择一个作为问题的答案。 eg：—Which would you like, tea or coffee? —Tea, please. 2. 不定代词作简略回答。 不定代词 all (三者或三者以上都) none (三者或三者以上都不) both (二者都) either (二者中任意之一) neither (二者都不) 23002 3d Imagine that your friends are at your home. Offer them food and drink. A: Would you like ... or ...? B: I'd like ... A: What ... would you like, ... or ...? B: ..., please. Using Alternative questions. 23002 课堂总结 可数名词与不可数名词 1. 可数名词 2. 不可数名词 3. 既作可数又可作不可数的名词 一、定义 二、形式 三、答语 选择疑问句 23002 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. porridge children milk meat cabbage animals tea 当堂检测 23002 Lavf58.46.101 $$