北京市房山区周口店中学九年级英语 被动语态课件 人教新目标版.ppt

readthesesentences mymotherwaterstheflowerseveryday theflowersarewateredbymothereveryday wecleanedtheclassroomyesterday theclassroomwascleanedbyusyesterday hemustfinishthehomework thehomeworkmustbefinished wewillcleantheclassroom theclassroomwillbecleanedbyus 语法被动语态 语态分类 英语动词有两种语态 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 如 theywillbuildanewhouse 主动 anewhousewillbebuilt 被动 汉语中常用 被 给 由 受 等词用来表示被动 而英语中则用被动语态表示 hisbrotherwashesbowlseveryday 主 谓 宾 受动者 bowls arewashed by hisbrother everyday helookedafterthelittlebabyyesterday 主 谓 宾 受动者 thelittlebaby waslookedafter by him yesterday mymotherwaterstheflowerseveryday theflowersarewateredbymothereveryday wecleanedtheclassroomyesterday theclassroomwascleanedbyusyesterday hemustfinishthehomework thehomeworkmustbefinished wewillcleantheclassroom theclassroomwillbecleanedbyus 1 一般现在时被动语态2 一般过去时被动语态 结构 am is are 过去分词 was were 过去分词 4 含情态动词的被动语态 情态动词 be 过去分词 3 一般将来时被动语态 will be 过去分词 被动语态的用法 1 当不知道谁是动作的执行者 2 没有必要或不想指出谁是动作的执行者时 3 只需强调动作的承受者时 isspoken wastaken canfinish 1 knives use forcuttingthings 2 thewindowsoftheirclassroom clean twiceamonth 3 tom ask toturnonthecomputeryesterday exercises areused are cleaned wasasked 4 mostofthework do bywomeninthisfactory 5 thework finish today 6 allthestudents ask tobringakitewiththemlastsunday isdone mustbefinished wereasked 检测 chinese bymoreandmorepeopleintheworldnow 2004 a isspokenb isspeakingc speaksd spoke a thedoctorlookedoverpetercarefullyafterhe tothehospital 2005 a takesb istakenc tookd wastakenitissaidthatpotatochips bymistakeaboutahundredyearsago 2006课 a inventedb inventc areinventedd wereinvented d d 检测 todaychinese bymoreandmorepeoplearoundtheworld 2006 awasspokenb isspokenc spoked speaktheolympicgames everyfouryears 2007课 a areheldb wereheldc areholdingd willhold b a thisschoolhasalonghistory it 100yearsago 2007 abuildbbuildscwasbuiltdhasbuilt c who sthelittlebabyinthephoto susan it sme thisphoto tenyearsago a takesb istakenc tookd wast