Unit7 Grammar 课件- 2025-2026学年译林版英语八年级上册

该初中英语课件围绕“自然世界”主题，聚焦动词与句子结构（双宾语、宾语补足语）及连词and, but, or, so用法，通过复习旧知（S+V等基础结构）导入，以例句分析、填空练习为支架，衔接双宾语转换规则（用to/for）、宾语补足语类型及连词运用，构建从基础到复杂的语法学习脉络。 其特色是语境化语法教学，结合自然主题例句（如沙漠植物给动物水和食物）、对话补全（Xiao Ya与妈妈的对话）及写作任务，提升语言运用能力，通过辨析双宾语转换和连词用法培养思维品质，分层任务引导主动实践。学生能在真实语境中掌握语法，教师可借助清晰结构与多样练习高效教学。

Unit 7 The natural world Grammar In this class, we will learn unit 8. 1 Revision 1 Winter arrives. ___________________ 2 It is cold and snowy. ___________________ 3 The snow is falling on the ground. ___________________ 4 I like snowmen. ___________________ 5 My friends and I are making snowmen. ___________________ 6 My snowman looks funny. ___________________ Write down the correct structure for each of sentences. S + V S + V + P S + V S + V + O S + V + O S + V + P The sun gives ocean animals light and heat. S V O O O(indirect) O(direct) Rule 1 Some verbs can take two objects, a _______ object and an _______ object. Sentence structure: ________________________________ direct indirect S + V + O(indirect) + O(direct) What？ The sun gives ocean animals light and heat. The sun gives __________________________. light and heat to ocean animals We can change the order of the direct and the indirect objects by using _____. to Can you think of more verbs like “give”? How？ Rule 2 We should build local wildlife a better life. We should build ________________________. a better life for local wildlife We can change the order of the direct and the indirect objects by using _____. for Can you think of more verbs like “build“? Rule 3 Find and write the main structures of the underlined sentences using S + V + O + O. S V O O S V O O Little rain and too much sunshine make deserts dry. The water can keep them healthy. They keep the planet healthy. Plants make the water clean. What？ S V O adj. give more information about the object object complement (C) ___________________ can also follow a direct object to give more information about the object. Sentence structure: ________________________________ An object complement S + V + O(direct) + C Rule 4 They call the ocean the “heart” of the earth. We made the forest the topic of this class. I saw him crossing the street. I had my computer repaired. The object complement can be ________________________________________ __________________________________________________________________. Rule 5 adjectives, nouns/noun phrases, prepositional phrases, the -ing form of verbs, the -ed form of verbs, and infinitives Turn to page 163 for further study. The ocean provides a home for animals all year round. We can add an adverbial to the structures above. We use an adverbial to show when, where or how an action is done. Summary 1 Sentence structures: _____________________________ _____________________________ 2 We can change the order of the direct and the indirect objects by using __ or __. 3 We can add an adverbial to the structures above. We use an adverbial to show when, where or how an action is done. S + V + O(direct) + C S + V + O(indirect) + O(direct) for to What？ Rainforests are hot, and they get a lot of rain. This kind of fish can find enough space here, but they can find little food. Birds can live in the forest or in the wetland. Deserts are dry, so some plants keep water in their leaves. conjunctions join ideas together similar or related ideas We use ______ to join similar or related ideas. Rule 1 and When joining more than _______ expressions, we usually only put and before the ________. Rule 2 two last How？ different ideas We use ______ to join ideas that are different. Rule 3 but two possibilities We use ______ to introduce another possibility. Rule 4 or Why do we use or in Sentence 1 while and in Sentence 2 & 3? more than two expressions negative sentences positive sentences In negative sentences, we use ______ to join two or more ideas. Rule 5 or the result We use ______ to express the result of something. Rule 6 so The dog was hungry, so we gave it something to eat. Because the dog was hungry, so we gave it something to eat. Tip: We cannot use “because” and “but” together. Rainforests are hot, and they get a lot of rain. This kind of fish can find enough space here, but they can find little food. Birds can live in the forest or in the wetland. Deserts are dry, so some plants keep water in their leaves. Why do we use comma in Sentence 1, 2 and 3? Tip: When connecting two sentences, a comma is used before the conjunction. Grasslands can be hot, so animals sit under the shade of trees. Wetlands can have salt water or (they can have) fresh water. There are forests in Asia and (there are forests) in Europe. Deserts are dry, but they are not always hot. Some rainforest animals don’t like wind, and they don’t like rain . Tip: It’s not necessary to repeat “they can have” and “there are forests”. Xiao Ya: Mom, where does water come from? Mom: There is water everywhere. It’s under the ground, in the ocean ______ in the sky. Xiao Ya: ______ I can’t see any water in the sky. Mom: It’s in the air. On sunny days, water goes up into the sky ______ forms clouds. Xiao Ya: I see. As we all know, water is very important to us. Mom: Yes. We need to drink water every day. Xiao Ya: We also need to use a lot of water in our life. Mom: That’s right. It’s lucky that we have a lot of water on the earth, ______ we call the earth a blue planet. _____ we can only use about 1% of the water on the earth. The rest is all sea water ______ ice. Xiao Ya: That is very little water. Let’s save every drop of water. Xiao Ya and her mum are talking something about water. Please help them complete the dialogue using and, but, or and so. and But and so But or Summary conjunctions and but or so join ideas together similar or related ideas When joining more than two expressions, we usually only put and before the last. different ideas In negative sentences, we use or to join two or more ideas. introduce another possibility express the result of something We cannot use “because” and “but” together. For all: 1. Talk about ecosystems using S + V + O + O and S + V + O + C. Use and, but, or and so to join your ideas. 2. Preview Word power on page 100. For some: Search online for more information about sentence structures and conjunctions. Homework $