Unit 6 When was it invented？SectionA Grammar focus 4a-4c 课件2023-2024学年人教版英语九年级全册

Unit 6 When was it invented? Grammar Focus 4a-4c Warming up Ask and answer When was it invented? It was invented in … 2 Warming up Ask and answer When was it invented? It was invented in … 3 Warming up Ask and answer When was it invented? It was invented in … 4 Grammar We cleaned the classroom yesterday. (主动语态） The classroom was cleaned by us yesterday.（被动语态） 宾语 宾语变主语 主语 一般过去时被动语态结构：was /were +done 去年春天种了树 Trees were planted last spring . 谓语 be +动词过去分词 by+主语宾格 5 肯定句： 主语+was / were+及物动词的过去分词+其他. 纸是中国人在二千多年前发明的。 Paper was invented by Chinese people two thousand years ago. 否定句： 主语+ was/were not+及物动词的过 去分词+其他. 开始妇女不允许参加奥运会。 Women were not allowed to take part in the games at first. 这幅画是你妹妹画的吗？ 一般疑问句： Was/Were +主语 +及物动词的过去分 词+其他? Was this picture drawn by your sister? They put off the meeting because of the weather.(变为被动语态） The meeting was put off because of the weather. 注意：有些短语动词相当于及物动词，变为被动句时介词或副词不能去掉。 注意：含有双宾语的主动句变为被动句时， 通常把指“人”的间接宾语变为主语， 指“物”的直接宾语保留不变；如果把 指“物”的直接宾语变为主语，则在间接 宾语前加to或for。 I was given an e-dictionary yesterday. An e-dictionary was given to me yesterday. My aunt gave me an e-dictionary yesterday.（变为被动语态） 间接宾语 直接宾语 注意：主动句中感官动词see / hear / watch / feel等和使役动词make / let / have等后跟省略to的动词不定式，变为被动语态时应加上不定式符号to。 I saw a heavy man enter the house.（变为被动语态） A heavy man was seen to enter the house. 注意：系动词、不及物动词或某些短语动词（happen, take place, come true, fall asleep…）没有被动语态。 布朗先生发生了什么事？（译成英语） What happened to Mr. Brown? 你的想法听起来不错 Your idea sounds a good one . 这种纸很好写（译成英语） This kind of paper writes well. 注意：某些动词（如write, wash, sell, read, clean, drive等）作不及物动词且表示主语质地、性能、自身特征等属性时，通常用主动形式表示被动被动意义。 将下列句子变为被动语态。 1. He chose six story books the other day. Six story books _____ _______ by him the other day. 2. Uncle Lee gave Jack a large cake for he painted the wall wonderfully. Jack _____ _____ a large cake for he painted the wall wonderfully. Practice was given were chosen 1 3. A mouse ate half of the