Unit 6 Review 课件 2023-2024学年沪教牛津版英语七年级下册

Unit 6 Electricity Review Vocabulary Read the words loudly and say their Chinese meanings. electricity conversation *identify rule anyone reply foolish wire connect n.电 n.谈话 v.确认；认出 n.规则 pron.任何人 v.回答 adj.愚蠢的 n.电线 v.（使）连接 3 *cable moment battery cooker fridge *bulb lock test tidy touch n.电缆 n.瞬间；片刻 n.电池 n.厨灶；炉具 n.冰箱 n.电灯泡 v.（用锁）锁上 v.测试 v.使整洁；使整齐 v.触摸；碰 4 Match the phrases with their Chinese meaning. a packet of in a way (be) connected to power station washing machine switch off tidy up air conditioner 连接到 一袋 关（点灯、机器等） 在某种程度上 收拾妥；整理好 空调 发电站 洗衣机 5 solar/water/wind power a moment later rice cooker safety tips electrical appliance switch on start a fire make sure 电器 电饭煲 太阳能/水能/风能 确保 过了一会 安全提示 开（电灯，机器等） 引起火灾 Grammar must and must not You must turn off the electricity first. You mustn’t/ must not say that, Benny! When? We use _____ to tell people what to do. We use _______ to tell people what not to do. Must I turn off the electricity first? Yes, you must. No, you needn’t/ don’t have to. must must not may and may not May I touch the wires? You may turn on the TV. You may not touch the wires. When? We use ____and ________to ask for and give permission. Yes, you may. No, you may not. may may not Work out the rule You may turn on the TV. You may not touch the wires. After modal verbs such as can, may and must, we use (the base form/ the –ing form/ the –ed form)of a verb. You must turn off the electricity first. You mustn’t/ must not say that, Benny! We can use electricity to do many things. We cannot/ can’t see electricity. Modal verbs情态动词 can cannot(can’t) may may not must must not 12 Summary 含义：情态动词是一种本身有一定的词义，表示说话人的情绪，态度或语气的动词，但不能单独作谓语，只能和其他动词原形构成谓语。 1. 情态动词________（有/无）人称和数的变化； 2. 情态动词后面跟的动词须用________； 3. 否定式构成是在情态动词后面加 “________”。 4. 使用一般疑问句只需把情态动词_____________,其余不变,句号改为问号。 无 原型 not 置于句首 can 的用法 ①表示能力，意为“能，能够” I can speak Spanish.我能讲西班牙语。 ②表示“请求许可”，意为“可以”，多用于口语 Can I come in?我可以进来吗？ ③表示“有时会”，表示偶尔发生的情况 Guangzhou can