Unit 5 Grammar 课件 2025-2026学年沪教版英语八年级下册

Unit 5 Saving animals in danger Grammar What can you do to protect animals in danger? 🚨 Susu’s SOS Letter Hello, everyone! I’m Susu, the only living giant softshell turtle in China. I lost all my families and friends. Now, it’s impossible for me to find any friend. Many animals are also in danger. It’s important for humans to protect animals. Can you help us? 斑鳖苏苏 Help Susu! Grammar challenge 帮助斑鳖苏苏——语法挑战 1.7.2013 ‹#› Challenge 1 The secret of Empty Subject 第一关——揭开形式主语的面纱 1.7.2013 ‹#› 主语 Sentence elements 1.To protect animals is important. 保护动物是重要的 2. It is important to protect animals. 保护动物是重要的。 系动词 表语 谓语 主语 系动词 表语 形式主语 头重脚轻 (Top-heavy) To protect animals is important. 保护动物是重要的 更平衡美观 (Balanced) It is important to protect animals. 保护动物是重要的。 Let’s see the magic of “it” ? Which one sounds more comfortable? Why? = a long subject 长主语 real subject 真正主语 empty subject 形式主语 替代 like like 1.7.2013 ‹#› 神秘的“小小替身” 魔法定义:“替身”it 的使命 When the subject of a sentence is a long infinitive expression, we usually start the sentence withe the empty subject it and put the infinitive expression at the end. Task 1 The definition of an empty subject 当真正的主语（不定式 to do）太长时，把形式主语（it）放在句首当“替身”，把长主语放到句尾，避免头重脚轻，使句子更平衡！ 长的不定式表达 Dear Susu, I’m sorry to hear that. There are more and more people on this planet, and this is harming the environment. To survive is not easy for many animal species. I once watched a video about illegal hunting. In the video, some hunters killed a tiger. To do so was very cruel of them. What is worse, those people also make a lot of money from this. I think to sell products made from animals in danger is wrong of them . To protect nature is important for us. My friend and I have joined a local environmental group. This weekend, we will collect money for a wildlife charity. My uncle has offered to drive us to the event. To help is very kind of him! I got a letter from a student of you but it’s too difficult for me to understand. Can you help me to change some of the sentences? 破译加密语言 请用it 把加粗句子变个身： It is not easy for many animal species to survive. It was very cruel of them to do so. It is wrong of them to sell products made from animals in danger. It is important for us to protect nature. It is very kind of him to help? It was very cruel of them to do so. It’s important for us to protect nature. It is not easy for many animal species to survive. 📖 句型结构: 肯定形式: 否定形式: ___+______+_____+____/____sb. +______ ______sth. It be动词 adj. for of to do ___+______+_____+_____+____/____sb. +____ ____sth. It be动词 not adj. for of to do Summarize the structure When to use “for” or “of”? • It was cruel of them to do so. • It’s important for us to protect nature. 他们这样做真残忍。 这里形容词cruel修饰____ 强调我们____（人/事物）残忍__________ 形容词important修饰______ 强调保护自然这_____(人/事情)重要 of sb. :形容词描述_____(人/事物)的_________（如kind, brave, nice)。 for sb. 形容词描述_____(人/事物)的_____(如 important, necessary, difficult)， 保护自然对我们 来说是重要的。 them to do 事情 人 事物 品质/性格 性质 Summarize Task3 When to use “for” or “of ” Tips: 人用_____, 事用____。 人 of for 修饰 Practice 1: 选用 for 或 of 填空。 1. It’s very kind ____ you to help me. 2. It’s silly ____ you to say such words. 3. It’s very dangerous ____ children to cross busy streets. 4. It’s difficult ____ us to finish the work. 5. It is good ____ him to send medicine to the sick boy. of for for of of Practice 1 Practice 2: Help Susu clean the lake. 捞一捞 ___was nice____ her host family _____________ (organize)a lot of activities in her spare time. (2025广州中考) It of to organize It is/was +adj.(修饰事情)+for sb.+to do sth. It is/was+adj.(修饰人)+of sb.+to so sth. Practice: Help Susu clean the lake. 捞一捞 ___is important____ us __________ (make) a good impression____ others. (2024广州中考) It for to make on It is/was +adj.(修饰事情)+for sb.+to do sth. It is/was+adj.(修饰人)+of sb.+to so sth. Practice: Help Susu clean the lake. 捞一捞 ___is wise____ them __________ (make) such a good decision. (2024清远中考) It of to make It is/was +adj.(修饰事情)+for sb.+to do sth. It is/was+adj.(修饰人)+of sb.+to so sth. 1. (2022·苏州) It's meaningful ____ us to help poor children. A. of B. for 2. (2021·无锡) It's very kind ____ you to save Tuantuan. A. of B. for Practice makes perfect. 🐼 🐼 meaningful修饰to help..., “帮助贫困孩子是有意义的“ 形容词 修饰人, “你真善良” C.to C. with Magic Practice 1.7.2013 ‹#› ②Read the notes & Write a short notice to remind your classmates about how to protect animals in danger. wrong helpful right necessary It’s It’s It’s It’s learn about the animals in danger in the area. Practice makes perfect. Tips:It +be动词+adj. for/of+sb. to do ... P73 --第1题 受伤的动物 1.7.2013 ‹#› Read the notes & Write a short notice to remind your classmates about how to protect animals in danger. of people / us to buy products made from animals in danger. of people / us to report any hunting of animals in danger. for people / us to protect the homes of animals in danger. for people / us to take care of injured animals. It’s wrong It’s helpful It’s right It’s necessary learn about the animals in danger in the area. Practice makes perfect. Tips:It +be动词+adj. for/of+sb. to do ... P73 --第1题 受伤的动物 1.7.2013 ‹#› It's difficult for us to get up early . It's happy to help others. 1.To get up early is difficult for me. 早起对我们来说很困难 。 2.To help others is happy. 帮助别人是快乐的。 Magic Practice 把下列句子改写成用 it 作形式主语的句子。 1.7.2013 ‹#› Magic Practice 请用形式主语结构 (It‘s + adj. for/of + to do sth.) 翻译下列有趣的句子。 1. 对我们来说，放假没有作业太酷了。 2. 钟老师和我一起玩王者荣耀, 真好。 3. 看电影真有趣。 It's cool for us to have It's kind of Miss Zhong to play It's interesting to watch __________________________no homework on holiday. __________________________ Honor of Kings with me. ________________________________a movie. 1.7.2013 ‹#› Congratulations! 知识勋章 (Knowledge Medal) You are a good learner! 点击继续挑战 > 1.7.2013 ‹#› Challenge 2 The power of “enough” 第二关——获得“足够”的能量 1.7.2013 ‹#› ①I have enough time. | I have enough money. Task 1 Where to put ‘enough’？ 我有足够时间。 我有足够钱。 ②We are strong enough to carry the box. 我们足够强壮搬动这个箱子。 Rule1: Enough + ________ Rule2： __________ /_________+enough Rule3: adj. /adv. enough +_______ ______ 副词 形容词 名词 我们跑得足够快追上他。 ③We run fast enough to catch up him. to do enough enough strong enough time money fast enough 口诀： 名前形副后 +to do “够不够”VS“过不过” Adj. + enough to do 含义： 大象足够强壮，能走路了！ too + Adj. + to do 含义： 大象太虚弱了，不能走路！ The elephant is strong enough to walk. The elephant is too weak to walk. 足够……做... 太……而不能做 Task 2 Negative & Transformation 例句： 例句： 1.7.2013 ‹#› 同义转换魔法 too + adj. + to do 太...而不能 ⇌ enough + to do e.g1：The boy is too young to go to school. 这男孩太小，上不了学。 → The boy is not old enough to go to school. e.g. 2：The task is too hard to finish. 这项任务太难，完成不了。 → The task is not easy enough to finish. ✨ 转换口诀 ✨ too换not...enough，形容词变反义，to do不变莫忘记！ not + 反义adj. + adj. &opposite words相反词 1.7.2013 ‹#› 1. (2023·济南) He isn't strong ____ to carry the box. 2. (2022·宿迁) She is ____ to help the little bird. 3. (2021·成都) The panda is too young to eat bamboo. → The panda is ______ ___ ____ to eat bamboo. 不够强壮，搬不动 A. enough B. too 🐼 A. enough careful B. careful enough 🐼 Practice makes perfect. 名前，形副后 not old enough Magic Practice ( not+反向adj.+ enough) 1.7.2013 ‹#› Ma Kai is telling Du Yun about his trip to the zoo. Complete their conversation with the words in brackets. not brave enough to tell kind enough to help big enough to feed P74--第2题 You're So Wise! 点击继续挑战 > 智慧勋章 (Wisdom Medal) 1.7.2013 ‹#› Challenge 3 Animal Protection Declaration 第三关——动物保护宣言 1.7.2013 ‹#› Task 1 Group Animal Protection Declaration We promise to protect animals! S1:Animals are our friends. S2: We are ______________ (足够勇敢) to protect animals. S3:We have ______________ (足够耐心) __________ (照顾) them. S4:It’s kind _____(of/for) us _________ (帮助) the homeless animals. S1:It’s important ____(of/for) us _______ (拯救) animals in danger. S2:It’s never too late ______________(爱护)animals. S3-S4: Let’s take action! Love them, protect them and help them! Your name /Class:________________________________ Tips ①Work in groups of 4 students &finish and check your declaration (宣言) in 4 minutes. ② Choose 1 or 2 groups to share and stick your animal stickers(贴纸) on the Promise Tree(承诺树) on the blackboard. ③ All students stand up together & Make a declaration together. brave enough enough patience to look after of to help for to save Ben. / Class 2, Grade 8. to love 1.7.2013 ‹#› You are a True Guardian! 🎉 守护勋章 (Guardian Medal)🎉 1.7.2013 恭喜！恭喜大家！我们成功通过了所有关卡，掌握了所有的语法魔法！ 现在，我非常荣幸地代表团团和所有的动物朋友们，授予大家最高荣誉——守护勋章！你们都是真正的动物守护者！ 现在，让我们用我们学到的知识，来真正地帮助团团和其他濒危动物吧！ ‹#› 1. finish the task of page 5. 2. Talk in pairs about why we should help protect animals in danger. Use the expressions below to help you. Homework Sentence Structure It is important for us to ... It is cruel of humans to ... We are old enough to ... It is never too late to ... Phrases Bank protect animals in danger; protect wild animals protect the environment; stop killing animals cut down forests; help protect animals volunteer at the zoo; protect animals save endangered species; change our bad habits save endangered animals; kill animals for their fur hunt wild animals illegally tell others about animal protection Thank you, my dear guardians! Let's protect all animals together!” Thank you! Lavf59.14.100 $