Unit 1 Section A Grammar Focus 课件- 2024-2025学年人教版英语七年级下册

Unit 1 Animal Friends Section A Grammar Focus 人教版（2024）七年级下册 本节课结束时，学生能够： 1.学生能够通过观察和分析示例句子，深入理解并准确辨析特殊疑问句在询问原因及回应时所承载的意义。 2.学生能够掌握并运用形容词有效描述动物特征，同时能够流利地使用形容词表达自己对动物的喜好或厌恶，提升语言表达的丰富性和准确性。 3.学生能够熟练运用一般疑问句和特殊疑问句构建关于动物特性的询问与回答，并在班级活动中积极参与“猜动物”游戏，通过团队协作展现出色的问答技巧，最终评选出表现最佳的团队。 学习目标 23001 Warming-up 非常： 看起来可爱： 来自： 站得很近： 帮助某人做某事： 保暖： 给某人某物： 对……有好处： 关注： 询问关于： ask about so much look lovely be from = come from stand close help sb do sth keep warm give sb sth = give sth to sb be good for pay attention to 你为什么这么喜欢它们？ 它们不能像其他鸟一样飞。 我喜欢他们走路的样子。 这有助于它们保暖。 这对他们不好。 它长什么样？ Why do you like them so much? They can't fly like other birds.  I like how they walk. It helps them keep warm. It's not good for them. What does it look like? 23001 What’s your favourite animal? And why do you like them? Lead in I like monkeys because they’re smart. 23001 Presentation snake [sneɪk] n. 蛇 shark  [ʃɑːk] n. 鲨鱼 whale [weɪl] n. 鲸 snakes scary [ˈskeərɪ] adj. 吓人的 sharks dangerous [ˈdeɪndʒərəs] adj. 危险的 whales huge [hjuːdʒ] adj. 巨大的 23001 3a Read the sentences. Circle the word that introduces a reason. What’s your favourite animal? It’s the monkey. Where are penguins from? They’re from Antarctica. Why do you like penguins so much? Because they’re very cute! Why don’t you like snakes? Because they are really scary. We use “________” to ask about a reason. We use “________” to introduce a reason. why because 23001 why对原因进行提问，意为“为什么”。其答语多用because来引导。 结构：Why+助动词+主语+动词原形+其他? Read the sentences. Find out the usage of Why. Why 引导的特殊疑问句 Why do you like them so much? Because they’re very cute. Why don't you like snakes? Because they're really scary. 23001 Why do you like penguins so much? Because they’re very cute! Why don’t you like snakes? Because they are really scary. 用“_________________” 询问喜欢某动物的原因。 用 “_________________” 询问喜欢不某动物的原因。 Why do you like ... Why don’t you like... 23001 because是连词，意为“因为，由于”，表示某个行为发生的原因。 回答why提出的问题 because与so不能同时出现在一句话中 Why can't you sleep? Because it’s noisy outside. We stay at home because it is raining. It is raining, so we stay at home. because的用法 Read the sentences. Find out the usage of because. 23001 3b Complete the conversation with the words in the box. where They’re do because What’s don’t Jane: Sam, ________ are giraffes from? Sam: ________ from Africa. Do you like giraffes? Jane: Yes, I do. Sam: Why ________ you like them? Jane: Well, ________ they’re interesting. They have long necks. ________ your favourite animal? Sam: Guess! It lives in the sea. Jane: Is it the shark? Sam: No. I don’t like sharks. Jane: Why ________ you like sharks? Sam: Because they’re really scary. They’re because where do don’t What’s long necks 吓人的；恐怖的 23001 scary /ˈskeəri/ adj. 吓人的; 恐怖的 【辨析】scary与 scared scary 吓人的; 恐怖的 通常用来表示事物的特征。 scared 恐惧的 通常用来形容人的感受。 My sister is scared of snakes because she thinks snakes are scary. 我妹妹害怕蛇,因为她认为蛇很恐怖。 Language points 23001 Textbook giraffes sharks Look at the the following words, what can you find? giraffe shark giraffes sharks 复数名词 变化后读音是什么? 可数名词的复数变化规律是什么? 23001 3b Underline the animal nouns. Jane: Sam, where are giraffes from? Sam: They're from Africa. Do you like giraffes? Jane: Yes, I do. Sam: Why do you like them? Jane: Well, because they’re interesting. They have long necks. What’s your favourite animal? Sam: Guess! It lives in the sea. Jane: Is it the shark? Sam: No. I don’t like sharks. Jane: Why don’t you like sharks? Sam: Because they’re really scary. 喜欢或不喜欢某种动物，是泛指，常用复数形式。 23001 Language points What’s your favourite animal? 1 What引导的特殊疑问句 What+be动词+主语? Eg: What is the weather like in Shanghai? 上海的天气怎么样？ What+助动词+主语+动词原形十其他？ Eg: What does he look like? 他长什么样？ 23001 Language points What’s your favourite animal? 1 What引导的特殊疑问句 What+名词+助动词+主语+动词原形十其他？ Eg: What sports do you play? 你做什么运动？ 23001 We look scary, but we play an important role (发挥重要作用) in the ocean. Don’t hurt us, please! Speaking Are you afraid (害怕) of sharks? Why or why not? 23001 一般情况: 直接在名词词尾加____,如:desk-desks, 以s,x,ch,sh结尾的词: 在词尾加___,如:class-classes, box - boxes, watch - watches 以"辅音字母+y"结尾的词:把y变为___,再加____。 如:city-cities,baby - babies。不过如果 "元音字母+y“ 结尾的词,直接加-s,如:day-days, key - keys. 以o结尾的词: 多数加____,如:potato-potatoes, tomato-tomatoes, hero - heroes. 以f或fe结尾的词: 一般把f或fe变为___,再加____, 如:leaf-leaves, life - lives, knife - knives. 可数名词复数变化规则 -s -es i -es -es v -es Group discussion 23001 eagle _______ fox _______ giraffe _______ mouse _______ penguin _______ shark _______ sheep _______ snake _______ whale _______ bear _______ 3c Make the nouns in the box plural. eagles foxes giraffes mice sharks sheep snakes whales penguins bears 23001 Practice 3c Make the nouns in the box plural. Then use the plural nons to complethe sentences. eagle________ fox________ giraffe________ mouse_______ penguin________ shark________ sheep________ snake________ whale________ bear________ I like ________ because they’re cute/smart/interesting/funny/huge/… I don't like ________ because they’re dangerous/scary/… 名词变复数的规则： ①一般情况在词尾加-s; ②以s、x、ch、sh等结尾的词在词尾加-es; ③以辅音字母加y结尾的词先变y为，再加-es。 ④以 f 或 fe 结尾的名词：多数将 f 或 fe 改为 v，再加-es。 注意：少数名词的复数形式是不规则的，如：man-men、mouse→ mice、sheep-sheep 23001 观察例词，总结名词变复数的规则。 大部分名词加-s，如：eagles 以-s, -x, -ch, -sh结尾的名词加-es，如：foxes 以 辅音字母+y 结尾的名词，把y变i，加-es，如：butterflies 以-f或-fe结尾的名词，变为v，加-es，如：wolves 不规则名词，变形要特殊记，如：sheep。 23001 Fill in the blanks to conclude the rules. Let’s learn the rules! 构成方法 例 词 foot-feet tooth-teeth man-men woman-women sheep-sheep；people-people 1. Chinese-Chinese Japanese-Japanese 2. Englishman- Englishmen Frenchman- Frenchmen 3. German-Germans Americans Australians clothes; glasses; scissors; shorts; socks; trousers; jeans; noodles; vegetables child- children mouse-mice 内部元音发生变化 只有复数形式 单复同形 表示某国人时， 中日不变， 英法变， 其他国家加s 其他形式 名词变复数的不规则变化 23001 Practice 3c Make the nouns in the box plural. Then use the plural nons to complethe sentences. eagle________ fox________ giraffe________ mouse_______ penguin________ shark________ sheep________ snake________ whale________ bear________ I like ________ because they’re cute/smart/interesting/funny/huge/… I don't like ________ because they’re dangerous/scary/… giraffes mice penguins eagles foxes sharks sheep snakes whales bears [hjuːdʒ] adj. 大的；极多的 [ˈdeɪndʒərəs] adj. 危险的；有危害的 23001 3c Use the plural nouns to complete the sentences. I like _________ because they’re cute / smart / interesting / funny / huge /... I don’t like _________ because they are dangerous / scary / ... 23001 Summary Unit 1 Animal Friends (Section A Grammar Focus) 名词变复数 形容词 疑问词 what对事物和动作进行提问，意为“什么”。 What后接名词构成的疑问句常用于提问细节。 Where对地点进行提问，意为“在哪里”。 why对原因进行提问，意为“为什么”。其答语多用because来引导。 1. 一般情况下直接加-s。 2. 以s，z，x，sh，ch结尾的名词，加-es。 3. 以辅加y结尾的名词，变 y 为 i 再加 -es；元加y结尾的名词直接加-s。 4. 以o结尾的词有生命的加-es。无生命加-s。 5. 以f或fe结尾的名词，多数需变f为v，再加es。 名词变复数的规则变化 名词变复数的不规则变化 1.内部元音发生变化；2.单复同形；3.表示某国人时，中日不变，英法变，其他国家加s；4.只有复数形式；5.其他 考点1 形容词作定语 形容词作定语, 常用于所修饰的名词或代词之前。 考点2 形容词作表语 形容词作表语, 常位于系动词(be、look、sound、get 等)之后, 说明主语的情况。 Ask and answer questions with a partner to guess each other’s animal. 3d Think of an animal, and then guess each other’s animal. You can guess like this: A: Is the animal’s tail long? B: No, it isn’t. A: Is it black and white? B: Yes, it is. A: Where is it from? B: It’s from China. A: It’s a panda! B: Yes, you’re right! 23001 1. 为什么不做某事？ Why don’t you do sth? =Why not do sth? 2. 来自 be from/come from 3. 动物的尾巴 animal’s tail 4. 如此多 so much 5. 黑白相间 black and white Summary 6. 住在海里 lives in the sea 7.处于(极大的)危险之中 be in (great) danger 8. 害怕...... be scared of sth 9. 你为什么这么喜欢企鹅？ Why do you like penguins so much? 23001 1. — Where _____ Kathy_____ from? — She comes from the USA. A. does; / B.is; come C.are; come D.does; come 2.— ________ is Zibo getting popular these days? —Because of its barbecue (烧烤). A.When B.Where C. What D.Why 3.— ________ is the book sale? — It's in the library. A.How B.When C.Where D.What 4.— ________ do you eat vegetables? —To be healthy. A.When B.Where C.What D.Why 5.—Mum is too busy to make dinner for us. —Let's do it ourselves, ______ we shouldn't depend on our parents too much. A. so B.because C.but D.or 23001 课堂总结 通过本课的学习，我能够: 1. 正确朗读并运用本课单词和短语: snake, shark, whale, scary, huge, dangerous, neck, guess 2. 正确使用疑问词及名词复数谈论喜欢和不喜欢的动物。 —What’s your favourite animal? —I like … —Where are … from? —They’re from … —Why do / don’t you like ...? —Because ... —Do you like …? —Yes, I do. / No, I don’t. —Is it / Are they…? —Yes, ... / No, ... —Does it / Do they…? —Yes, ... / No, ... 3. 通过提问动物的外形、居住地等信息猜测动物。 23001 28 当堂检测 一、连词成句。 is what your animal favourite lions where from are why you do like not sharks they because are dangerous why you like do wolves _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ What’s your favourite animal? Where are lions from? Why don’t you like sharks? Because they’re dangerous. Why do you like wolves? 23001 二、阅读下面短文，回答问题。 The koala is a unique and fascinating animal. It is native to Australia. Koalas live mainly in eucalyptus forests. They spend most of their day sleeping, around 18 - 20 hours. This is because their diet, which mainly consists of eucalyptus leaves, is low in energy. The leaves are also poisonous to most animals, but koalas have a special digestive system that can handle them. Koalas have a very distinctive appearance with their fluffy ears and big black nose. They are arboreal animals, meaning they live in trees. 23001 Questions: What is the native place of the koala? Where do koalas mainly live? Why do koalas sleep for about 18 - 20 hours a day? Koalas mainly live in eucalyptus forests. Australia. Because their diet, which mainly consists of eucalyptus leaves, is low in energy. 23001 Summary New words snake, neck, guess, shark, whale, huge, dangerous 1. “what”“where”“why”引导的特殊疑问句 Sentences 2. “because”引导的原因状语从句 3.名词单复数变化规则及用法 23001 (1) 绘制思维导图总结名词变复数的 规则。 (2) 写一段话介绍你最喜欢动物的外 形、生活地、能力等。 Homework 23001 THANK YOU! 23001 $$