山东省日照秦楼中心初级中学九年级英语 Unit 9《when was it invented》课件2.ppt

unit9whenwasitinvented thesecondperiod 复习 被动语态 主动语态改被动语态 bell invented thetelephone in1876 was by 主动句与被动句之间的转换icleanedtheblackboard 主语 谓语动词 宾语theblackboardwascleaned byme 主语 谓语动词 介词 宾语 将下列句子由主动句变为被动句或由被动句变为主动句 yaominginventedthispen 变被动句 2 teachersallowstudentstodrinkinclass thispenwasinventedyaoming studentsareallowedtodrinkinclass names chelsealanmonjaycecoziarjamieellsworthjuliethompson newwords 1 6 1 invent发明 创造v2 calculator计算机n3 beusedfor用来做 4 scoop勺子 用勺子舀n v5 adjustable可调节的adj6 heel脚后跟 鞋跟n newwords 7 11 7 battery电池n8 operate操作 作业v9 battery operated电池供电的10 slipper拖鞋n11 heat加热 是变热v inventions 1 lastclassweinventedmp8andlearnedlotsofinventions 2 todaylet sseewhatinventionswecanlearn 2a battery operatedslippers heatedicecreamscoop shoeswithadjustableheels listenandnumbertheinventionsintheorderyouhearthem 1 2 3 listenagainandmatchtheitemsincolumnsa bandc pairwork 2c let stalkabouttheinventionswelearnedin2aand2bjustnow askandanswer 3 1 what sthenameofthefirstinvention 2 whowas were it they inventedby 3 whatis are it they usedfor imagine发明者 我们班的任何一个人 语法学习 grammarlearning grammarfocus askandanswerinhalftohalf cars 1885 henryford travelfast名字时间发明者用途 fridge 1862 harrison keepfoodfresh名字时间发明者用途 washingmachine 1858 smith washclothes名字时间发明者用途 name when who whatuse thepassivevoice 被动语态 被动语态的用法 不知动作执行者时 常用被动语态 mybikewasstolenyesterday thiscarismadeinamerican 2 不必要说出动作执行者时 常用 ourblackboardiscleanedeveryday 3 为了突出强调动作的承受者时 常用被动语态 thewindowisbrokenbyourmonitor thepassivevoice 被动语态 主动语态变为被动语态的步骤 把原主动句中的宾语转换为被动语态的主语 2 把动词改为被动形式 即 be 过去分词 注意be动词要按新的主语的人称和数进行变化 时态要和原来的主动语态的时态保持一致 3 原来主动语态句中的主语 如果需要 就放在by后面以它的宾格形式出现 如果没有必要就可以省略 其他的成分 定语 状语 不变 句式也不能变 thepassivevoice 被动语态 主动语态变被动语态的结构图 bellinventedthetelephonein1876 thetelephonewasinventedbybellin1876 主语 谓语动词过去时 宾语 时间状语 主语 谓语动词的过去分词 宾语 时间状语 thepassivevoice 被动语态 主动语态改被动语态 bell invented thetelephone in1876 was by 被动语态的结构陈述句 主语 be 动词过去分词 例 treeswereplantedbyjimyesterday 一般疑问句 be 主语 动词过去分词 例 weretreesplantedbyjimyesterday 特殊疑问句 特殊疑问词 be 主语 动词过去分词例 whenweretreesplantedbyjim whoweretreesplantedby 请把下列主动句变为被动句 theyproducedthatkindofcar theworkersbuiltabridgeovertheriver mothertellsmeastoryeveryday thatkindofcarwasproducedbythem abridgewasbuiltbytheworkersovertheriver iamtoldastorybymothereveryday 请把下列主动句变为被动句 1 theyproducedthatkindofcar 2 theworkersbuiltabridgeovertheriver 3 m