第10讲 Unit 5 语法&写作 课件2025-2026学年沪教版八年级英语下册

该初中英语课件围绕“保护濒危动物”主题，系统讲解it作形式主语（含It is + adj. + for/of sb. + to do sth.等结构）和enough的用法（修饰形容词/副词后置、修饰名词前置及句型转换），通过“任务卡”对比原句与转换句导入，搭建从具体例子到语法规律的学习支架，衔接语法知识与写作主题。 其亮点在于语法与写作深度融合，以“保护濒危动物”为语境，通过多样练习（填空、同义转换、单选）巩固语法，写作提供四段式提纲、常用表达及高分句型，培养学生语言能力（语法应用与写作表达）和文化意识（社会责任感）。学生能提升综合语言运用能力，教师可借助结构化内容高效开展教学。

Abby Lesson 10 Saving Animals in Danger Grammar&Writing Warm-up Lead-in: It 的“替身任务卡” 动物救助中心收到三张任务卡。请读一读：句子真正想说的“事情”在哪里？ Task 1 To protect endangered animals is important. → It is important to protect endangered animals. Task 2 To give the injured fox enough food is kind of the volunteer. → It is kind of the volunteer to give the injured fox enough food. Task 3 To clean the beach every weekend takes students two hours. → It takes students two hours to clean the beach every weekend. 小发现：当真正的主语太长时，英语会请 it 站到句首当“替身”，真正的主语常常搬到句末。 Grammar Point 1 it 作形式主语 Grammar Grammar Point 1: 基本概念 当句子的真正主语太长时，英语常把真正主语放到句末，用 it 放在句首作形式主语。 It is important to protect endangered animals. 真正主语：to protect endangered animals It is dangerous to touch wild animals without professional help. 真正主语：to touch wild animals without professional help 结构：It + be + adj. / n. + to do / that 从句 Grammar It is + adj. + for / of sb. + to do sth. for sb. of sb. 形容词描述“事情本身”的难易、重要、必要等 important, necessary,__________________________________________________________________________ eg. It is important for us to save endangered animals. It is difficult for baby animals to live without their mothers. It is dangerous for tourists to get too close to wild animals. 形容词描述“人的品质、性格或行为评价” kind, nice,_________________________ eg. It is kind of the volunteer to take care of the injured fox. It was brave of the keeper to rescue the trapped dolphin. 判断方法：如果可以说 “sb. is + adj.”，通常用 of。 difficult, easy, possible, impossible, useful, helpful, dangerous clever, polite, brave, careless Grammar It takes... / It is + n. / It is + adj. + that It takes sb. some time to do sth. It took the rescuers three hours to save the elephant from the hole. It is + n. + to do sth. It is a good idea to join a wildlife protection club. It is + adj. + that 从句 It is clear that people should stop buying products made from wild animals. 真正主语可以是 to do，也可以是 that 从句。 Exercise Practice 1: 用 for 或 of 填空 1. It is important ____ teenagers to learn about endangered animals. 2. It was kind ____ the vet to treat the injured deer. 3. It is impossible ____ the young bird to fly with a broken wing. 4. It is careless ____ tourists to leave rubbish in the forest. 5. It is useful ____ students to keep a wildlife vocabulary notebook. 6. It was brave ____ the firemen to rescue the animals from the flood. Keys: 1. for 2. of 3. for 4. of 5. for 6. of for of for of for of Exercise Practice 2: 同义句转换 To protect wild animals is necessary. → ____ ____ necessary ____ protect wild animals. 2. Learning about endangered animals is meaningful for students. → ____ meaningful ____ students ____ learn about endangered animals. 3. The volunteer was very kind to look after the sick panda. → It was kind ____ the volunteer ____ look after the sick panda . 4. The rescuers spent two hours saving the sea turtle. → It ____ the rescuers two hours ____ save the sea turtle. 5. That many animals need safe homes is clear. → ____ ____ clear that many animals need safe homes. Keys: 1. It is; to 2. It is; for; to 3. of; to 4. took; to 5. It is It is to It‘s for to of to took to It is Grammar Point 2 形容词 enough 的用法 Grammar Grammar Point 2: enough 的位置 adj. / adv. + enough enough + n. enough 修饰形容词或副词时，放在_________ The baby tiger is strong enough to run after its mother. The rescue team arrived quickly enough to save the dolphin. enough 修饰名词时，放在名词_________ We have enough food to feed the rescued birds. There are enough volunteers to clean the beach. The center does not have enough money to buy medicine. 后面 前面 结构：be / v. + adj./adv. + enough + to do Grammar not ... enough to 与句型转换 The baby panda is not old enough to live alone. = The baby panda is too young to live alone. = The baby panda is so young that it cannot live alone. not + adj. + enough to do 可与 too...to 和 so...that... 转换。 Grammar enough for sb. to do sth. The article is simple enough for Grade 8 students to understand. The cage is large enough for the injured bird to move around. The road is not safe enough for animals to cross. 当需要说明“对某人来说足够……”时，可用 enough for sb. to do sth. Exercise Practice 3: enough 搭配 1. The forest is _______________ for the elephants to live in. (large) 2. We do not have ________________ to treat all the sick animals. (medicine) 3. The instructions are _______________ for every volunteer to follow. (clear) 4. She walked _______________ not to scare the baby deer. (slowly) 5. There are not _____________ for the birds to build nests. (enough) Keys: 1. large enough 2. enough medicine 3. clear enough 4. slowly enough 5. enough trees large enough enough medicine clear enough slowly enough enough trees Exercise Practice 3: 同义句转换 1. The question is so easy that I can answer it. → The question is __________ __________ for me __________ answer. 2. The baby bird is too weak to fly. → The baby bird is not __________ __________ to fly. 3. The box is so heavy that the volunteer cannot carry it. → The box is __________ heavy for the volunteer __________ carry. 4. The lake is not clean enough for the fish to live in. → The lake is __________ dirty for the fish __________ live in. 5. The rescue team worked fast enough to save the animal. → The rescue team worked __________ fast __________ they saved the animal. easy enough to strong enough too to too to so that Exercise Practice 4: 单项选择题 I It is necessary ______ us to protect wildlife. A. of B. for C. with D. to 2. It was careless ______ the visitor to feed the monkey without permission. A. for B. with C. of D. to 3. The little panda is old enough ______ bamboo leaves. A. eat B. eating C. to eat D. eaten 4. It usually ______ the workers half an hour to clean the animal room. A. spends B. takes C. costs D. pays 5. The cage is not ______ for the eagle to spread its wings. A. enough large B. large enough C. small enough D. enough small 6. It is kind ______ you to donate money to the animal rescue center. A. for B. of C. to D. with 7. We have ______ volunteers to plant trees near the river. A. enough B. many C. enough many D. many enough 8. It is a good habit ______ rubbish when we visit a nature reserve. A. pick up B. picking up C. to pick up D. picked up 9. The passage is easy enough for Grade 8 students ______. A. understand B. to understand C. understanding D. understood B C C B B B A C B Exercise Practice 4: 单项选择题 II 10. It is clear ______ many wild animals are in danger. A. what B. that C. if D. whether 11. The water is ______ for the fish to live in. A. enough dirty B. dirty enough C. too dirty D. so dirty 12. It was wise ______ the keeper to move the animals before the storm came. A. for B. of C. with D. about 13. There is not enough space ______ the elephants. A. to B. of C. for D. with 14. The story is not interesting enough ______ more people to protect animals. A. encourage B. encouraging C. to encourage D. encouraged 15. It took the scientists many years ______ the habits of snow leopards. A. study B. studied C. studying D. to study 16. It is impossible for us ______ endangered animals without action. A. save B. to save C. saving D. saved 17. The baby fox is not careful enough ______ away from danger. A. stay B. staying C. to stay D. stayed 18. It is important ______ we should protect animals' homes. A. that B. what C. how D. why Keys: 10-15 BCBCD 16-18 BCA B C B C C D B C A Exercise Unit 5 语法综合训练 一、适当形式填空 It is hard for young animals __________ (survive) without safe homes. It is kind of the students __________ (raise) money. The notice is clear enough __________ (remind) people. We do not have enough time __________ (visit) every part of the nature reserve. It took the scientists three months __________ (study) the panda's habits. 6. It is important for people __________ (stop) buying wildlife products. 7. The box is light enough for the volunteer __________ (carry). 8. It is a pity __________ some rivers are too dirty for fish to live in. 9. The keeper spoke quietly enough for the animal __________ (relax). 10. It was clever of the dolphin __________ (follow) the trainer back to the sea. to survive to raise to remind to visit to study to stop to carry that  to relax   to follow Exercise Unit 5 语法综合训练 二、句型转换 1. To save endangered animals is important for everyone. → __________ is important for everyone __________ __________ endangered animals. 2. The volunteer was kind to look after the sick bird. → It was kind __________ the volunteer __________ __________ after the sick bird. 3. The baby elephant is so strong that it can walk by itself. → The baby elephant is strong __________ __________ walk by itself. 4. The turtle is too weak to return to the sea. → The turtle is not strong __________ __________ return to the sea. 5. The workers spent three hours cleaning the beach. → It __________ the workers three hours __________ __________ the beach. 6. The river is so dirty that animals cannot drink from it. → The river is not clean __________ for animals __________ drink from. 7. We have so much food that every rescued animal can get some. → We have __________ food for every rescued animal __________ get some. 8. That people should protect habitats is necessary. → __________ is necessary __________ people should protect habitats. It to save of to look enough to enough to took to clean enough to enough to It that Writing Saving Animals in Danger Writing 写作实例与要求 题目：Saving Animals in Danger 内容要求： 说明目前一些动物处于危险中的原因； 介绍人们可以采取的保护措施； 谈谈青少年能做些什么； 呼吁大家一起行动。 字数要求：100-120词。 三个确定：体裁 议论文/倡议类说明文 | 时态 一般现在时为主 | 人称 第一人称/第三人称 Writing 内容要点：主题与原因 如今，许多野生动物处于危险之中。 Nowadays, many wild animals are _________________. 对我们来说，了解它们为什么正在消失是很重要的。 It is important for us _________________ why they are disappearing. 有些动物没有足够安全的地方居住。 Some animals do not have _______________ places to live. 它们的栖息地正变得不够干净，不能让它们生存。 Their habitats are not _______________ for them ______________. 一些人太贪婪了，竟然为了金钱捕杀野生动物。 Some people are ____________________ wild animals for money. in danger to learn about enough safe clean enough to survive greedy enough to kill Writing 内容要点：措施与呼吁 阻止购买野生动物制品是有必要的。 It is necessary _______________ people from buying wildlife products. 青少年足够有能力产生影响。 Teenagers are also ___________________ make a difference. 我们可以制作海报、参加社团或者为动物救助中心筹款。 We can make posters, join clubs or __________________ animal rescue centers. 如果每个人都足够细心去保护自然，动物会有更好的家园。 If everyone is ________________________ nature, animals will have a better home. 保护濒危动物是我们的责任。 It is our duty __________________ animals in danger. to stop able enough to raise money for careful enough to protect to save/protect Writing 写作提纲：四段式结构 Writing 常用表达积累 引出主题与分析原因 措施与呼吁 • animals in danger      ____________________ • endangered animals      濒危动物 • wildlife protection      ____________________ • a serious problem      一个严重的问题 • call on sb. to do sth.      ____________________ • lose their homes / habitats      ____________________ • cut down forests      砍伐森林 • pollute rivers and oceans      ____________________ • hunt wild animals      捕猎野生动物 • buy products made from wild animals  ________________ • not have enough food / space      没有足够的食物/空间 • protect habitats      ____________________ • build more nature reserves      建立更多自然保护区 • stop killing wild animals      ____________________ • use less plastic      少用塑料 • raise money for rescue centers __________________ • make posters / give speeches      制作海报/发表演讲 • join a wildlife protection club ____________________ 处于危险中的动物 野生动物保护 号召某人做某事 失去家园/栖息地 污染河流和海洋 购买野生动物制品 保护栖息地 停止捕杀野生动物 为救助中心筹款 参加野生动物保护社团 表达观点和呼吁 • in my opinion      在我看来 • it is important/necessary for us to...      ____________________ • it is wise/kind of us to...      我们……是明智的/善良的 • be old enough to take action      ____________________ • make a difference      产生影响 • work together to save animals      ____________________ 对我们来说……很重要/有必要 已经足够大，可以采取行动 一起努力拯救动物 Writing 常用表达积累 Writing 常用基本句型 引出问题: 1. Nowadays, more and more animals are in danger. 2. It is clear that saving animals in danger is a serious topic. 3. Some animals are losing their homes because people cut down too many forests. 分析原因: 1. Many rivers are not clean enough for animals to live in. 2. Some animals do not have enough food or safe places to live. 3. It is careless of people to throw plastic bags into rivers and oceans. 提出建议: 1. It is necessary for the government to build more nature reserves. 2. It is important for us to stop buying products made from wild animals. 3. Teenagers are old enough to make posters and give speeches at school. 总结呼吁: 1. It is our duty to protect animals in danger. 2. If we are careful enough to protect nature, animals will have a better future. 3. Let us take action before it is too late. Writing 高分句型 1. It is not only important but also necessary for us to protect animals in danger. （对我们来说，保护濒危动物不仅重要，而且必要。） 2. Many animals are losing their homes because their habitats are not safe enough for them to live in. （许多动物正在失去家园，因为它们的栖息地不够安全，不能让它们居住。） 3. What worries me most is that some people still kill wild animals for money. （最让我担心的是，一些人仍然为了钱捕杀野生动物。） 4. Teenagers may not be old enough to solve all the problems, but we are old enough to take small actions. （青少年也许还不够大，不能解决所有问题，但我们已经足够大，可以采取小行动。） 5. The more people learn about wildlife protection, the more animals will have a chance to survive. （越多人了解野生动物保护，就会有越多动物有机会生存。） Extension Reading: 阅读还原 Saving endangered animals is not only the work of scientists. It is something that everyone can learn about and take part in. ____ For example, students can start by learning why some animals are in danger. Many animals lose their homes because forests are cut down or rivers are polluted. ____ If there are not enough safe places for animals to live, their numbers may become smaller and smaller. It is important for people to change some daily habits. ____ People should also stop buying products made from wild animals. Some students think they are too young to help. ____ They can make posters, give speeches, join school clubs or raise money for rescue centers. Protecting animals also means protecting the future of humans. ____ If we are careful enough to protect nature, both animals and people will have a better home. A. However, this idea is not true. B. It is necessary to understand the reasons first. C. Animals and humans share the same planet. D. It is careless of students to forget their homework. E. For instance, they can use less plastic and save water. F. Their habitats are not large or clean enough for them to survive. Keys: 1. B 2. F 3. E 4. A 5. C Let us take action before it is too late. Saving Animals in Danger Thank you $