九年级英语Unit3 Topic1 Section A课件ppt仁爱版.ppt

Active voice : Many people speak English. (主动） Passive voice: English is spoken by many people . （被动） Active voice: Students plant trees. Passive voice: Trees are planted by students. 主动语态变被动语态的方法： 1.把主动语态的宾语变为被动语态的主语。 2.把主动语态的谓语变成被动结构。 3.把主动语态的主语放在介词by之后作宾语（将主格变为宾格）。 被动语态构成 ：助动词 be +及物动词的过去分词 一般现在时：am/is /are + 及物动词过去分词 一般过去时： was/were + 及物动词过去分词 一般将来时：will/shall be + 及物动词过去分词 现在进行时：am/is/are being + 及物动词过去分词 过去进行时： was/were being + 及物动词过去分词 现在完成时： have/has been + 及物动词过去分词 Beijing Opera visited visitors from all over the world Many trees is told to study hard many foreigners Li Yuchun planted by us every year are The students known most young people The Great Wall enjoyed their teachers * * * English is widely used throughout the world Section A Unit 3 Topic 1 Zhan Qiuming No.1 Middle School of Xinkai Many people speak English. Students plant trees. English, speak, many people English is spoken by many people many people , speak , English trees , plant , students Trees by are planted students Students , plant , trees Football is enjoyed by many children . football, enjoy, many children Many children enjoy football. a recorder , use , the teacher A recorder is used by the teacher. The teacher use a recorder. ① ② ③