Unit 7Grammar课件 -2025-2026学年译林版八年级英语上册

该初中英语课件围绕“自然世界”主题，聚焦S+V+O+O、S+V+O+C句型及连词and, but, or, so用法。通过“海洋相关句子”复习导入，结合例句分析、问题引导（如双宾语顺序转换）等学习支架，帮助学生从已知到未知构建语法知识。 其亮点在于用表格归纳宾语补足语六种形式（如名词、形容词等），结合生态系统语境（如“Forests give wild animals a home”）练习句型和连词，深化语言能力与思维品质。Practice和Production环节促进知识迁移，学生能在主题中应用语法，教师可借助清晰结构提升教学效率。

Unit 7 The natural world Grammar Learning objectives By the end of the lesson, I will be able to... 1 2 3 Know how to use the conjunctions and, but, or and so properly to show different logical connections. Figure out the structure of S + V + O + O and S + V + O + C sentences, and use the patterns correctly . Better understand why ecosystems are important. Revision What do you know about oceans? It covers the largest area of the earth’s surface. The sun gives ocean animals light and heat. It is provides home for animals all year around. We call the ocean the “heart” of the earth. The sun gives ocean animals light and heat. S V IO DO IO The indirect object (IO) is a noun, noun phrase or pronoun. It refers to the person or thing that the action of a verb is done to or for. e.g. She gave me the book.(IO : me) Presentation S V IO DO DO The direct object (DO) is a noun, noun phrase or pronoun. It refers to the person or thing that is directly affected by the action of a verb. e.g. She gave me the book, (DO: the book) Can we change the order of the direct and indirect objects? Presentation We should build local wildlife a better home. The sun gives ocean animals light and heat. = We should build local wildlife a better home. = The sun give light and heat to ocean animals. We should build a better home for local wildlife. Presentation Which verbs can take two objects? Brainstorm Presentation We call the ocean the “heart” of the earth. S V O C OC An object complement is a word or phrase that follows and describes the direct object of a sentence. It gives more information about the direct object. Presentation The mother bird keeps the eggs safe. S V O C We made the forest the topic of this class. S V O C Adjective Noun phrase Presentation Presentation Forms of object complements Examples They named the cat Bob. I found the movie boring. They consider the idea theirs. They left him at home. I asked her to help. I saw him running. Summarize different forms of object complements Noun or noun phrase Adjective Pronoun Prepositional phrase Infinitive Participle The ocean provides a home for animals all year round. adverbial We can add an adverbial to the structures above. We use an adverbial to show when, where or how an action is done. Presentation Read and learn Sentences Adverbials She gave me a gift yesterday. He told us a story in a soft voice. They talked in her office. Adverbial of time -- when Adverbial of manner -- how Adverbial of place -- where Presentation Presentation S+V+O+C S+V+O+O S+V+O+C S+V+O+O Practice 1.Forests give wild animals a home. 2.Mr Wu showed us the importance of protecting forests. 3.Plants in wetlands make the water clean. 4.Forests keep the air fresh. Write 4 sentences about ecosystems, using the sentence structures “S + V + O + O" and “S + V + O + C”. Production (1)Each ecosystem has a role to play ________helps keep the balance between all its members and the greater environment. (2) This goes on and on, __________ the ocean is just like the "heart" of the earth. (3) Wetlands only cover about 6% of the earth's land area. __________ they are home to around 40% of all the types of plants and animals. and Revise and fill so But Revision We use and to join similar or related ideas. When joining more than two expressions, we usually only put and before the last. and Presentation Rainforests are hot. They get a lot of rain. Rainforests are hot, and they get a lot of rain. The desert is hot, dry and covered by sand. Oceans provide food for many animals, produce oxygen and store heat from the sun. but We use but to join ideas that are different. Presentation This kind of fish can find enough space here. They can find little food. This kind of fish can find enough space here, but they can find little food. or We use or to introduce another possibility. In negative sentences, we use or to join two or more ideas. Presentation Birds can live in the forest. They can also live in the wetland. Birds can live in the forest or in the wetland. The deep ocean isn’t warm. The deep ocean isn’t bright. The deep ocean isn’t noisy. The deep ocean isn’t warm, bright or noisy. so We use so to express the result of something. Presentation Deserts are dry. Some plants keep water in their leaves. Deserts are dry, so some plants keep water in their leaves. use position and To join similar or related ideas • Between two words or phrases • Between two clauses, usually with a comma (,) before “and” • Before the last one if there are more than two expressions but To join ideas that are different • Between two words or phrases • Between two clauses, usually with a comma (,) before “but” or To introduce another possibility To join two or more ideas in negative sentences • Between two words or phrases • Between two clauses with or without a comma (,) before “or” • Before the last one if there are more than two expressions so To express the result of something Between two clauses, with a comma (,) before “so” Conclusion Presentation Grasslands can be hot, so animals sit under the shade of trees. Wetlands can have salt water and fresh water. There are forests in Asia and Europe. Deserts are dry, but they are not always hot. Some rainforest animals don't like wind or rain. Practice The desert is very dry, but some plants still grow there. Some animals can live in the desert, and they can survive without much water, Some plants give animals food. The temperature can be really high during the day, so some animals find it hard to stay cool. They might find shade or hide underground to stay safe. Production What do we learn today? 观察和探究S+V+О+О和S+V+O+C句型的结构特征，并在语境中识别和运用这些句型;（学习理解） 01 理解和体会连词 and、but、or 和 so 的含义和用法，并在讨论生态系统时使用恰当的连词整合句子，表达不同的逻辑关系;（应用实践） 02 在描述生态系统的关键信息时，正确运用所学句型和连词，深化对生态系统重要性的理解。（迁移创新） 03 Summary 1.Little rain and too much sunshine make deserts dry. 降雨量少、日照过强，使得沙漠十分干燥。 不要在手机上花费太多时间。 Don't spend too much time on your smart phone. 2.Quite a few desert plants also give animals food. 不少沙漠植物也会为动物提供食物。 在书架上你能看到相当多的书。 You can see quite a few books on the shelf. 相当多，不少 quite a few Have to do 1. Finish the exercises. 2. Preview Word power. Choose to do Write about what you know about ecosystems using S + V + O + O and S + V + O + C. Use and, but, or and so to join your ideas. $