Unit 5 What are the shirts made of Grammar Focus-4c一般现在时的被动语态语法课件2022-2023学年人教版九年级英语全册

Grammar Focus-4c Unit 5 What are the shirts made of ? Grammar Focus Are your shirts made of cotton? Yes, they are. And they were made in the US. What’s the model plane made of? It’s made of used wood and glass. Where is tea produced in China? It’s produced in many different areas. 看句子 找规律 How is tea produced? Tea plants are grown on the sides of mountains. When the leaves are ready, they are picked by hand and then are sent for processing. Active Voice: People grow tea in Hangzhou. Passive Voice: Tea is grown (by people) in Hangzhou. Passive voice 被动语态 当主语是动作的执行者时，谓语的形式为主动语态； 当主语是动作的承受者时，谓语要用被动语态。 定义 eg: Many people speak English. English is spoken by many people. 动作的执行者 动作的承受者 构成 be动词 ＋ 及物动词的过去分词 有人称、时态和数的变化 句型 肯定句: 主语 + be +及物动词的过去分词+ (by…) 否定句: 主语 + be + not +及物动词的过去分词+ (by…) 一般疑问句：Be + 主语 +及物动词的过去分词+(by…)? 特殊疑问句：疑问词 + be + 主语 +及物动词的过去分词+ (by…)? 语法重点：一般过去时的被动语态 (Passive Voice) 主动语态变被动语态的方法 A letter is written by Mary every week. Mary write a letter every week. 宾语 主语 谓语 一般现在时的被动语态 主语 by+宾语(宾格) 主动句变为被动句4步骤： 1. 主句宾变被句主 2. 主句谓语变被动(be+过去分词) 【人称和数随主语的变化，动词的时态不变】 3. 主句主变by加宾 4. 其它成分都不变（定语、状语） 4 在主动语态句中动词make、have、let、see、watch、hear、feel等后接动词不定式作宾语补足语，动词不定式不加to。 但变成被动语态时后面的不定式都须加上to。 (1) The boss makes them work ten hours a day. (2) Tom lets his little sister water flowers every day.    → They are made to work ten hours a day. → His little sister is let to water flowers every day by Tom. 5 把下列句子变为含被动语态的句子。 1.Mr. Li corrects the students’ homework every morning. The students’ homework is corrected by Mr. Li every morning. 2.People play basketball all over the world. 3. We often see him help his classmates. 4. The trees cover the whole mountain. 5. The teachers take care of the children. 主语 谓语 宾语 练一练 4a Complete the sentences with the correct forms of the verbs in brackets. 1. Children under 18 ______________(not allow) to watch this show without their parents. 2. We ________(pay) by the boss on the last Friday of each month. 3. A: