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课件网) Unit 1 Helping those in need Period 3 Grammar 沪教牛津（2024）八年级 下 Learning objectives 0 Lead in Pre-learning 2 While-learning Post-learning 4 Summary Assessment 6 Homework 1 3 5 7 By the end of the lesson, I will be able to... 1 2 3 4 master the structure of infinitive verbs; use infinitives correctly in specific contexts; discover the rules and use language properly； understand the significance of voluntary activities. 00 Learning objectives https://www.21cnjy.com二一教育 Lead in 01 https://www.21cnjy.com二一教育 Appreciation of classic sentences . What is “to be” I plan to dance. to sing. to read. to exercise. predicate 谓语 non-predicate 非谓语 to + V原= infinitive （动词）不定式 What is “not to be” 1 2 否定形式 not to do to do 英语黄金原则： 一个简单句只有一个谓语 谓语是一个句子的心脏 Lead in 01 一句一谓 皇上=句子 皇后=谓语动词=时态语态 妃位=非谓语动词=其他动词 不定式 to do 动名词 v-ing 分词 现在分词：doing 过去分词：done 助记 Lead in 01 非谓语 非谓语 01 简单句： 1主1谓语——— I plan to dance. 并列句： 由并列连词连接——— I plan to dance and she is going to sing. 复合句： 主句+从句 ——— I plan to sing the song which I just learned. 常见句子结构. Pre-learning Pay attention: 从句也算句子，也可以包含主谓宾！ 02 https://www.21cnjy.com二一教育 Pre-learning Exploring and applying rules Read the sentences below. Pay attention to the words in bold. Jin Ya wanted to paint a picture of the park near her home. We encouraged them to tell stories from their own life. My mother and I will continue to visit Liu Yun in our spare time. The words in bold are “infinitives”. Try to sum up the rules of infinitives! 02 https://www.21cnjy.com二一教育 Pre-learning Exploring and applying rules While-learning 03 https://www.21cnjy.com二一教育 Special rules of infinitives. Read the sentences below and work out the rules. He saw a volunteer help an elderly lady. She heard the singer perform for the children in the next room. Let me tell you what I saw last night. We also use an infinitive without to after some verbs: v. + object + infinitive Think: 部分不定式后可省略to，你能想到哪些呢？ Special rules of infinitives. While-learning 有些动词不定式作宾语时要省略to， 如: have, make, let; watch, hear, notice, see, feel, help 等 03 stay 1. He lost his key. It made him _____(stay) in the cold to wait for his wife. 2. 我让他离开了房间。 I let him leave the room. Special rules of infinitives. While-learning 口诀：一“感”（feel），二“听”（hear, listen to），三 “让/使”（let, make, have），五“看”（watch, see, look at, notice, observe），半“帮助”（help后可省略to, 也可带to）。 03 How do we use infinitives 1. To talk (talk) with him is a great pleasure. 2. _____ (learn) a new language is helpful. 3. _____ (swim) in the sea is dangerous. To learn 1. It is helpful to read a new book. 2. _____a great pleasure _____ with him. 3. _____ dangerous _____ in the sea. It is + adj. + to do sth. 用法1： 不 ... ...
