Unit5 SectionA1a-Grammar Focus课件2023-2024学年人教版英语九年级全册

Unit 5 What are the shirts made of? Section A (1a-GF) 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 结构: be + V-p.p. am / are / is + 动词的过去分词 一般现在时的被动语态: 句式结构：肯定句 am 构成： 主语 + 助动词 be is + 过去分词 + (by+ 动作执行者） are I am allowed to watch TV on Sunday. This meal is cooked by Tom. They are regarded as the best students all the years. 主语 be动词 过去分词 其他 01 句式结构：否定句 02 am 构成： 主语 + 助动词 be is + not + 过去分词 + (by+ 动作执行者） are I am not allowed to watch TV on Sunday. This meal is not cooked by Tom. They are not regarded as the best students all the years. 主语 Be动词+not 过去分词 其他 句式结构：一般疑问句 03 Is English spoken by many people? Are you allowed to watch TV every night? Are they regarded the best students all the years? Be动词 过去分词 把be动词移到句首，在句末加上句号 主动语态改为被动语态 04 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） 使用被动语态的情况 05 不知道动作的执行者，或者没有必要指出动作的执行者是谁。 需要强调或突出动作的承受者时。 句子的主语是动作的承受者。 e.g. The blouse is made of silk. The zipper is often used in our daily lives. Tea is picked