Unit3 Grammar课件2023-2024学年沪教牛津版七年级英语上册

7AU3 Grammar The world is a beautiful place. Would you like to go out and see it? What things are there on the Earth? The Earth is a beautiful place. There are forests and rivers, mountains and fields. Some places are very hot, and some are very cold. There are many different plants. Some are large. Some are small. All plants need light and water. There are different animals on Earth too. Some live on the land. Some fly in the sky. Some live under the water. There are also many people like you and me on Earth. The Earth provides us with air, water and food. It is our home. Today, there is a lot of pollution. We burn things to make energy. This pollutes the air. We put our rubbish into the sea and under the ground. This pollutes the Earth and kills animals and plants. We must stop doing these things. It is important for us to protect the Earth for our future. revision forests rivers mountains fields plants animals people air water food pollution energy rubbish light water land sky water a place places plants fields mountains rivers forests pollution water land air food rubbish sea animals light （a）place people energy Find out the countable and uncountable nouns (可数的） （不可数的） countable [c.] uncountable [uc.] Grammar A Singular form 单数形式 a/an+可数名词单数形式 不可数名词单数 Plural form 复数形式 可数名词复数形式 Type 类型 个体名词 集体名词 物质名词 抽象名词 Work out the rule 5 Individual nouns个体名词： pen, book, car… 1 Collective nouns集体名词： people, family, police… 2 Material nouns物质名词： air, water, fire… 3 About Nouns Abstract nouns抽象名词： friendship, health , time… 4 1 There is grass in a forest. 2 Do not throw rubbish into the river. 3 The air is fresh in the mountains. 4 The flowers are beautiful. Let me take a photo. 5 We should drink water every day. Here is a glass for you. countable uncountable forest river mountains flowers photo glass grass rubbish air water practice F