Unit 5 Lesson 2 Grammar（讲解课件）-【优翼·学练优】新教材2024-2025学年七年级英语上册同步备课（外研版2024）

nullGrammar Unit 5 Fantastic friends Learning Objectives In this lesson you will: 1. master the usage of present continuous tense; 2. use the present continuous tense to talk about animal behaviours; 3. do your own voice-over for a video of amazing animal. Look and Say Read the sentences and pay attention to the coloured words. What tense are they? (a) We’re studying birds for Bird Week at school. (b) I’m watching pigeons in the park now. (c) That pigeon is looking at itself in the water! They are present continuous tense(现在进行时). Now find more sentences with these structures in the reading passage. The birds are flying madly to her. I’m doing some online research. I’m reading in the library now. 现在进行时 表示动作正在进行和发生或存在的状态。 定义 结构 be动词（am/is/are）＋现在分词（动词-ing形式） E.g. Tony is eating a delicious ice cream. Daming is having lunch. We are playing football. He is playing tennis now. 动词-ing形式的变化规律如下表所示： 规则 示例 一般情况下，动词后直接加 -ing 以字母e结尾的动词，去掉e，然后加-ing working, buying, visiting, talking, saying taking, having, leaving, driving, writing, making 规则 示例 以辅音字母+元音字母+辅音字母的重读闭音节结尾的动词，如果末尾只有一个辅音字母，双写这个辅音字母，然后加-ing 特殊变化 stopping, shopping, sitting, getting lie — lying 现在进行时的肯定句 主语＋be动词（am/is/are）＋动词-ing形式＋其他 E.g. I am writing a letter. He / She is listening to music. We are enjoying our trip. They are talking to each other. 现在进行时的否定句 主语＋be动词（am/is/are）＋not＋ 动词-ing形式＋其他 E.g. I am not writing a letter. He / She is not (isn’t) listening to music. We are not (aren’t) enjoying our trip. They are not (aren’t) talking to each other. 现在进行时的一般疑问句及其回答 Be动词（Is/Are）＋主语＋ 动词-ing形式＋其他？ E.g. —Is she doing her homework? —Yes, she is. / No, she isn’t. —Are you listening to music? —Yes, I am. / No, I am not. 回答：Yes, 主语＋be动词. / No, 主语＋be动词 ＋not. 如果要问对方在做什么，我们可以这样说: What are you doing? 你(们)在做什么? 问其他人在做什么: What are they doing?他们在做什么? What is he doing?他在做什么? 拓展 Read and complete the sentences with the correct form of the words in the box. stand watch follow 1.Look! The dolphin _____________ a ship. 2.—The horse is sleeping. — I can’t believe it. It _____________. Can it sleep like that? 3. Ssh! I _____________the cat in the tree. is following is standing am watching Complete the passage using the correct form of the verbs in brackets. The new camera looks like a real beaver! We put it by the river. Now we 1.____________(watch) the beavers. Look! One beaver 2.__________(cut) a tree with its teeth and the other two 3.___________(put) the sticks in the river. They want to create a pond. But what’s it for? Oh, I see! They 4._____________(build) their home in it. The pond will protect them from wolves, foxes, etc. This is amazing! are watching is cutting are putting are building Now the work is done! Two beavers 5.____________(swim) in the pond. The other one 6.____________(try) to catch fish. It’s such nice work. No wonder beavers are called “nature’s engineers”! are swimming is trying Amazing animals What animals are they? What are they doing? What is special about them? What does the writer think of them? In this passage, how does the writer introduce the amazing animals? What animal are they? They are beavers(河狸). What are they doing? One beaver is cutting a tree with its teeth and the other two are putting the sticks in the river. They are building their home in the river. What is special about them? What does the writer think of them? They are called “nature’s engineers”(大自然的工程师). E.g. He thinks they are amazing. Project Find a video and do your own voice-over for it. Use the words from the reading passage and the Useful expressions to help you. Useful expressions It is a ... It can ... It eats ... Look, it’s ... It has long / big ... ...helps it... In my opinion, ... Amazing animal What animal is it? What is it doing? What is special about it? What do you think of it? Lavf58.29.100 Bilibili VXCode Swarm Transcoder v0.7.74 $$