Unit 4 The Earth Grammar课件- 2025-2026学年沪教版(2024)英语七年级上册

该初中英语课件聚焦there is/are句型，涵盖可数与不可数名词区分、就近原则及句型转换。通过图片描述导入，结合地球环境主题对话复习，以名词分类为支架，逐步过渡到句型规则总结，构建清晰知识脉络。 其亮点在于融合环保实践与语言学习，通过垃圾分类词汇学习（如Recyclable waste）和小组演讲任务，培养学生语言运用能力与社会责任感。练习设计层层递进，从基础改写句子到情境应用，助力教师高效教学，提升学生思维品质与学习主动性。

Key question What should we learn about the Earth? Unit 4 The Earth Lesson 3 There are fields and mountains, rivers and seas, forests and deserts. Can you describe these photos? There are many different plants. Some are tall, some are small. Lead-in There are millions of animals on Earth. Some live on land, some ... There are many people living on Earth. It provides ... with... Can you describe these photos? We often use “There is/are...” to say that sth. exists somewhere. Lead-in Su Mei and Su Wen are talking about how to protect the sea. Guess what are the missing words and why. Su Mei: The sea is very important to us. But there is more and more plastic pollution in the sea. What can we do to help protect the sea? Su Wen:There are many things we can do. We shoud organize a Beach Clean-up Day. You see, there are always many bottles and plastic bags, and a lot of other rubbish on the beaches in our area.These things all end up in the sea. Su Mei: That’s a good idea! Are there any other things we can do to help? Su Wen:Yes,of course, I will send you an article with some good suggestions. Tip: Pay attention to the underlined nouns and noun phrases. Grammar：there is/are ... Presentation Presentation plastic pollution things plastic bags bottles rubbish Think about the difference: Presentation Uncountable nouns 不可数名词 things bottles plastic bags plastic pollution rubbish Countable nouns 可数名词 Presentation 常考的 不可数名词 气体：air, oxygen 液体：water, milk, tea, coffee, juice, soup, oil 食物：food, rice, bread, meat, beef, pork 其他：time, money, homework, housework, advice, weather, information, furniture, pollution You see, there are always many bottles and plastic bags, and a lot of other rubbish on the beaches in our area. You see, there is always a lot of rubbish, and many bottles and plastic bags on the beaches in our area. Remember: There be句型在使用时, 谓语动词的单复数通常遵循 _______________。 “就近原则” Presentation Today, there is a lot of pollution. There are also many people like you and me on Earth. There are many different plants. There are different animals on Earth too. There are forests and rivers, mountains and fields. Presentation We use __________ with a singular noun or an uncountable noun. We use ____________ with a plural noun. there is there are There ______ a pen on the desk. There ______ two boxes on the desk. There ______ a pen and two boxes on the desk. There ______ two boxes and a pen on the desk. There ______ some water in the bottle. There ______ some rocks in the bottle. There ______ some rocks and water in the bottle. There ______ some water and rocks in the bottle. is are is are is are are is Can you try this exercise? Practice Presentation There are mountains and forests on Earth. 变为一般疑问句 Are there mountains and forests on Earth? 肯定回答 Yes, there are. 否定回答 No, there aren’t. Presentation There is a lot of rubbish. 变为一般疑问句 Is there a lot of rubbish? 肯定回答 Yes, there is. 否定回答 No, there isn’t. Presentation Are there mountains and forests on Earth? Is there a lot of rubbish? 一般疑问句: Is/Are there +人/物+地点 肯定回答： Yes, there is/are. 否定回答： No, there isn't/aren't. Let's sum up the rules! Presentation There is some rubbish. 变为一般疑问句 Is there any rubbish? 肯定句中的some在否定句或疑问句中要变为any。 变为否定句 There is not any rubbish. Practice Fill in the blanks with correct forms. 1. There are some bottles of milk in the fridge. (改为一般疑问句并作肯定和否定回答) ______ ______ ______ bottles of milk in the fridge? Yes, ______ ______. No, ______ ________. 2. There are ten birds flying in the air. (就划线部分提问) ______ ______ birds ______ ______ flying in the air? Are there any there are there aren’t How many are there Practice Fill in the blanks with correct forms. 3. There is some ice on the river.(就划线部分提问) _______ _______ ice _______ _______ on the river? 4. There are some apples in the box. (用a / an替换some改写句子) There _______ _______ _______ in the box. 5. Is there a piece of paper on the desk? (用three替换a 改写句子) _______ there _______ _______ of _______ on the desk? Are three pieces paper How much is there is an apple Practice /ˌriːˈsaɪkləbl weɪst/ 可回收物 /rɪˈzɪdjuəl weɪst/ 其他垃圾 /fuːd weɪst/ 厨余垃圾 /ˈhæzədəs weɪst/有害垃圾 The bins are full at the end of the Beach Clean-up Day. What rubbish is there in each bin? Practice Discuss in groups and put these items in the correct categories. Practice What rubbish is there in each bin? Look at the list below and write sentences with there is/ there are. There is a lot of paper in the blue bin for recyclable waste. There are some plastic bags in the black bin for residual waste. 1. There is some broken glass in the blue bin for recyclable waste. Practice 2. There is a lot of paper in the blue bin for recyclable waste. 3. There are some plastic bottles in the blue bin for recyclable waste. 4. There are some clothes in the blue bin for recyclable waste. 5. There are some tin cans in the blue bin for recyclable waste. Practice 6. There are some plastic bags in the black bin for residual waste. Practice 7. There are some fish bones in the green bin for food waste. Practice 8. There are some lithium batteries in the red bin for hazardous waste. Production Prepare a speech to ask more people to take part in the Beach Clean-up Day. Work in groups of four and answer the four questions respectively. S1：Why are you asking people to take part in the Beach Clean-up Day？ S2：What can you see on the beach? S3：What can people do to protect the sea? S4：How can we call for people’s attention? GROUP WORK Production Choose a group member to combine and present your group’s ideas. For example: Summary ① 如果句子的主语是单数可数名词或不可数名词时，be动词就用is。 There is a table in the room. There is a little water in the bottle. ② 如果句子的主语是复数名词时，be动词就用are。 There are some pencils on the chair. there is/are + sth./sb. 单复数保持一致 Summary 肯定句： There are some beautiful flowers. 否定句： There aren’t any beautiful flowers. 一般疑问句： Are there any beautiful flowers? 肯定回答：Yes, there are. 否定回答：No, there aren’t. Summary 6 如果有两个或两个以上的主语时，be动词要和最靠近它的那个主语在数上保持一致。 There is a glass of orange and three tomatoes on the table. There are three tomatoes and a glass of orange on the table. 这就是 “就近原则”！ We often use there is … or there are … to say that something exists somewhere. There is a beautiful world under the water. a lot of pollution on Earth. Is there any water in the glass? Yes, there is. No, there isn’t. There are different plants and animals on Earth. Are there five apples in the bag? Yes, there are. No, there aren’t. Summary $