Unit 1 Grammar语法 课件 2022-2023学年沪教牛津版英语八年级下册

牛津深圳版 八年级下册 Unit1 Helping those in need Grammar 为… 付钱 使…振奋 筹钱 社区 参加 和…说话 遭受 支付 Review Presentation 一、不定式定义： 不定式（to do）是非谓语动词形式,在句子中不能作谓语。常常我们称句子中的第二个动词叫做不定式。 I hope to see you again soon. We decided to buy that house. 肯定形式：to do， 否定形式: 动词不定式前加 not 动词不定式作宾语、宾语补足语和目的状语 【观察】 A: Hello, Bob! Where were you yesterday? B: Linda invited me to go to the old people’s home, so I went there with her. A: Really? What did you do there? B: We cleaned the rooms and washed the clothes for the old. We also sang many songs to make them happy. A: It sounds great! Can I join you? I also want to do something for the old. B: Sure. 【思考】上面对话中哪些句子包含动词不定式呢？请用线划出这些不定式并将其分类写在下面的横线上。 （1）作宾语补足语 _____________。 （2）作目的状语 _____________。 （3）作宾语 _____________。 to go to make to do We often use to + infinitive after these verbs: choose hope offer want decide learn plan wish 1. He decided (buy) the camera. to buy 2. I want (listen ) to some music after class. to listen 3. I hope (travel) all over the world one day. to travel 二、不定式用法 1.作宾语：1） 动词 + to do Things to remember We can use question words + to + infinitives after decide, know, learn and remember. Do you know how to help disabled children? Presentation 作宾语：2） 动词+疑问词 + to do I don't know what to do . how to do it / that. (去哪里) (什么时候出发) (选择哪个) Where to go When to leave Which one to choose 1.作宾语：2）动词+疑问词 + to do Presentation: Presentation: A Mark and his mother visited Vivien. Mark is telling his friends about the visit. Complete his words with the correct forms of the verbs in brackets.