人教版精品课件U 5 What are the shirts made of.ppt

Unit 5What are the shirts made of? Grammar & Writing 　　语态是动词的一种形式，用以说明主语与谓语之间的关系。英语的语态共有两种：主动语态和被动语态。主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者。被动语态是动词的一种特殊形式，一般说来，只有需要动作对象的及物动词才有被动语态。汉语往往用“被〞、“受〞、“给〞等被动词来表示被动意义 。 一般现在时的被动语态 Grammar Is it made of silver? It was made in Thailand. What is the model plane made of? Where is tea produced in China? How is it grown? It is planted on the side of mountain. They are picked by hand and then are sent for processing. Read the sentences below, paying attention to the underlined parts. Many people speak English. 主动句与被动句之间的转换 English is spoken by many people. 主语 谓语动词主动语态 宾语 主语 谓语动词被动语态的过去分词 介词+ 宾语 People play football all over the world. 2. The old man on TV tells a story on Sunday. 3. Students listen to the kind teacher carefully. Football is played by people all over the world . A story is told by the old man on TV on Sunday. The kind teacher is listened to by students carefully. 把以下主动句变为被动句。 一般现在时的被动语态结构式： 　〔1〕肯定句：主语+ am / is / are + 动词的过去分词 +(by+人称代词宾格)+ 其他 　　eg：English is studied (by us) every day. 　〔2〕否认句：主语+ am / is / are + not + 动词的过去分词 +(by+人称代词宾格)+ 其他 　　eg：English is not studied (by us) every day. 　〔3〕疑问句：Be(am/is/are)+主语+动词的过去分词+〔by+人称代词宾格〕+其他？ 　　eg：Is English not studied (by us) every day? 　〔4〕特殊疑问句：What/Where/When+ am / is / are +主语+动词的过去分词+ 其他? eg:Where was this book bought? Do you water your flowers every day?(变为被动句) Trees and flowers are planted every year to make our country more beautiful. (变为疑问句) Are your flowers watered by you every day? Are trees and flowers planted every year to make our country more beautiful？ 按要求改写以下句子。 3. This English song is sung by the girls after class. ① 改为否认句 ②改为一般疑问句，并做肯定和否认答复 ③对画线局部提问 This English song is not sung by the girls after class. Is this English song sung by the girls after class? When is this English song sung by the girls? 被动语态的运用: 〔1〕 不知道谁是动作的执行者或没