八年级英语下学期被动语态牛津英语.ppt

被动语态复习 ;We use the keyboard to type.; 被动语态的构成;The simple present tense: (一般现在时);被动语态的各种句型 The book is liked by young people. (肯定句) The book ＿＿liked by young people.　（否定句） ＿＿＿the book liked by young people ?　（一般疑问句） Yes, it ＿＿＿. ＼No, it ＿＿＿. (回答) ＿＿＿　＿＿＿ the book liked by ?（特殊疑问句） The room is cleaned, ＿ it? (反义疑问句);被动语态的谓语动词形式; 被动语态的用法：（见课本P45） 1．当动作执行者显而易见时。（即没必要指出动作的执行者) Our classroom is cleaned every day. 2．当我们不知道或不能想起谁是动作的执行者时。 Ｔhe cars were made in Tianjing in 1995 . 3．当我们认为行为（动作）比谁是这个行为（动作）的执行者更重要时。 The red coats in this shop were sold out yesterday.;牛津8B Unit 3被动语态 英语动词的语态 ⑴主动语态：主语是动作的执行者 ⑵被动语态：主语是动作的承受者 例： We 　　 speak 　 English. （主动语态） 　　　　主 　 谓 　 宾 　　　 　　　English 　is spoken 　by us. （被动语态） 　　　　　主 　　 谓 介词+宾语 　　　 主动语态 被动语态 We clean the classroom. The classroom ___ _____by us. She closed the window. The window ___ _____by her. He wrote a letter last night. A letter ___ _____by him. ;主动语态改为被动语态的方法 1..把主动句中的宾语改成被动句的主语, 原主语改成宾语． 2 动词改为被动形式 be +P.P (同时注意时态)． 3 原来的主语如果需要的话放在介词by后面，以指明做事的人或物， 如果没有必要则省去． .例：(1) We speak English. （主动语态） 主 谓 宾 English is spoken by us. 主 谓 介词+宾语 (2) The man 　　 killed 　　a tiger. A tiger　 　was killed 　　by the man.;特殊句型的被动语态 　　一　 双宾语　 give ,pass ,show， teach , tell等动词常常带有两个宾语即双宾语：直接宾语和间接宾语，改为被动语态时，可以选其中任何一个作主语。如果直接宾语作主语，那么间接宾语前要加相应的介词to/for。但ask , answer 后的双宾语，一般将间接宾语（人）变为主语；buy, make 等后的双宾语，一般将直接宾语（物）变为主语． 例：① He gave me a pen. = He gave a pen to me. 间 直 直 间 → I was given a pen by him. 间 →A pen was given to me by him.