Unit 1 Lesson 3 Grammar Focus（讲解课件）-【优翼·学练优】2025-2026学年七年级英语下册同步备课（人教版）

该初中英语课件围绕“Animal Friends”主题，聚焦wh-questions、连词because用法及名词单复数规则。通过Pair Work对话练习导入，结合Think and Share分析疑问词功能，搭建从实践提问到语法规则的学习支架，帮助学生逐步掌握核心知识点。 其特色在于以真实语境活动提升语言能力，如用动物话题对话练习提问与回答，通过because和because of对比培养思维品质，任务型名词复数练习强化学习能力。学生能在互动中巩固语法，教师可依托结构化活动提升教学效率。

Unit 1 Animal Friends Section A Why do you like animals? (Grammar Focus) Learning Objectives In this lesson you will: 1. ask questions using wh-questions; 2. be able to answer questions and connect two sentences using conjunction word because; 3. know the rules of plural nouns. Pair Work Talk about the animal you like or dislike with a partner using the wh-questions. What’s your favourite animal? What animal don’t you like? Where are ... from? What do they eat? What can they do? Why do you like them? Why don’t you like them? ... Read the sentences. When do we use what, where and why? Think and Share 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’re really scary. what where why asking about things / objects / activities asking about places asking for reasons Wh-questions who which when asking about person making choices asking about time Who is that girl? Which book do you want to read? When does the movie start? Circle the word that introduces a reason. What’s your favourite animal? It’s the monkey. Where are the 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’re really scary. 3a 连词because的用法 because意为“因为”，后面接原因状语从句。 E.g. She didn’t go to school because she was ill. 回答why问句时，只能用because，不能用for或as。 E.g. — Why are you in a hurry? — Because I want to catch the first bus. 汉语中我们经常说“因为……所以……”，但在英文中有了because就不能再用so。 E.g. Because he was tired, he couldn’t walk there. 比较：because of是复合介词，后面常接名词、代词、 动名词。 E.g. We missed the train because of the heavy traffic. We stayed at home because of the rain. because of后不能接句子！ 1. I like candy ______ it’s sweet. A. because B. because of 2. I do these things ______ you. A. because B. because of 3. I didn’t buy the skirt ______ it was too expensive. A. because B. because of 4. I didn’t go to the mountains ______ the bad weather. A. because B. because of Complete the conversation with the words in the box. Underline the animal nouns. 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 inetresting. They have long necks. ______ your favourite animal? They’re because where do don’t What’s where They’re do because What’s 3b 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. don’t Are the animal words in the conversation in singular or plural forms（单数还是复数）? 名词的单复数 单数可数名词 在英语中，如果要表示一本书、一只狗、一个苹果等概念时，要用名词的单数形式。 表示名词的单数，要在名词前面加不定冠词a或an。a加在以辅音开头的名词前，如a book, a pen。an加在以元音开头语的名词前，如an egg, an elephant。 复数可数名词 在英语中，如果要表示两本书、三个学生这些两个或两个以上的概念时，要用名词的复数形式。名词的复数形式是在单数名词后加上“-s”或“-es”构成的。 名词复数的规则变化 在一般情况下， 词尾加-s，在清辅音后读/s/，在浊辅音、元音及其他一些情况后读/z/。 book—books cup—cups student—students 以s，x，sh，ch结尾的词，词尾加-es，读/ɪz/。 bus—buses box—boxes dish—dishes watch—watches bag—bags dog—dogs boy—boys 以f或fe结尾的词，先将f或fe变成v，再加-es, 读/vz/。 shelf—shelves leaf—leaves life—lives wife—wives 以o结尾的词，有生命的加-es，无生命的加-s，读/z/。 hero—heroes potato—potatoes piano—pianos zoo—zoos 以辅音字母加y结尾的词，先将y改为i再加-es，读/ɪz/。 以元音字母加y结尾，直接加-s。 baby—babies city—cities family—families day—days boy—boys way—ways 名词复数的不规则变化 v元音发生变化。如：man—men, tooth—teeth。 v单复数同形。如：sheep—sheep, deer—deer。 v词尾发生变化。如：ox—oxen, child—children。 v有些名词只有复数形式。如：clothes, trousers。 Make the nouns in the box plural. Then use the plural nouns to complete the sentences. eagle _______ fox _______ giraffe _______ mouse _______ penguin _______ shark _______ sheep _______ snake _______ whale _______ bear _______ eagles foxes giraffes mice penguins sharks sheep snakes whales bears I like ______ because they’re cute / smart / interesting / funny / huge / ... I don’t like ______ because they’re dangerous / scary / ... 3c Think of an animal. Ask and answer questions with a partner to guess each other’s animal. A: Is the animal’s tail long? B: No, it isn’t. A: Is it black and white? B: Yes, it is. A: Where’s it from? B: It’s from China. A: It’s a panda! B: Yes, you’re right! 3d Reflecting How well can you do these things? Very well OK Needs work 1. I can ask questions using wh-questions. 2. I can connect two sentences using because. 3. I can change the singular nouns to plural nouns correctly. 本文件著作权为创作公司所有, 仅限于教师教学及其他非商业性和非盈利性用途。如发现盗用、转卖、网络传播等侵权行为, 本公司将依法追究其相应法律责任。 部分素材选自网络, 如有争议, 请联系删改。 声 明 $