unit9复习课件.ppt

* * * * * * * * Unit 9 When was it invented? Revision 当堂达标 点拨解疑 基础巩固 复习目标 Review goals： 1、Review the important words,phrases and sentences。 2、Review the usage of “the passive voice”，and use it to make your own sentences and dialogues. 3、热爱神奇的大自然，热爱人类伟大的发明。 BACK Unit 9 When was it invented? 1、发明_________ 2、发展_________ 3、操作_________ 4、加热________ 5、咸的_________ 6、酸的________ 7、留下，保持不变________ 8、注意到_________ 9、生产，制造_________10、令人愉快的_________ 11、古老的_________ 12、尝起来__________ 13、投掷，扔___________ 14、世纪________ 15、活泼的活动的________16、分开划分___________ invent develop operate heat salty sour remain notice produce pleasant ancient taste throw century active devide 1、被用来做_________ 2、被用作____________ 3、被...使用____________ 4、电灯泡__________ 5、错误地_____________6、偶然地_____________ 7、最后__________ 8、根据__________ 9、落入____________ 10、这样 ____________ 11、撞到__________ 12、把...划分成...__________ 13、...的数量____________ 14、大量的许多的、______________ 15、把...撒到...上___________________ be used for be used as be used by light bulb by mistake by accident in the end according to fall into in this way devide... into... knock into the nunber of a number of… sprinkle ... on ... --When was it invented ? -- It was invented.... 2. -- Who were they invented by ? -- They were invented by... 3. --What are they used for? --They are used for... 4. It is believed that... 句型再现 被动语态的谓语部分由“______+_______ ”构成，助动词be有_______、_______和_______ 的变化。 1.Many people like football. _______语态 Football is liked by many people. _______语态 被动 主动 时态 数 人称 动词的过去分词 be 一般现在时 一般过去时 一般将来时 现在进行时 过去进行时 现在完成时 与情态动词连用 BACK was/were + 动词过去分词 will/shall +be + 动词过去分词 am/is/are + 动词过去分词 am/is/are +being + 动词过去分词 was/were+ being + 动词过去分词 情态动词+ be + 动词过去分词 have/has +been + 动词过去分词 各种时态的被动语态 be used for/ as/ by/ in 一、be used for 表示“被用来做”，介词for表示目的和用途，后接名词或动词的-ing形式。 如：木材可以被用来造纸。