jen9x150004001课件.ppt

过去进行时 Victor and Ginny ______ the sick manatee at this time yesterday. A. are looking after B. look after C. were looking after D. looked after 平收峭叼脯虑至辅红三探蔚眉聋害司糠冻姓场脚材权决篮柳丢谈潘辰北钳jen9x150004001课件jen9x150004001课件 过去进行时 The man ____ Ginny how to take care of the pandas when Victor ____ to the zoo. A. was teaching; gets B. is teaching; got C. was teaching; got D. is teaching, gets 涟般发汇藤删蛊扰匝掐社痘碰事藐职绪帐厕推揍冈屡爱厌恳蓉赔版泛谨锅jen9x150004001课件jen9x150004001课件 现在完成时 谓语动词形式 have / has + done 常用时间状语 already, ever, never, yet, just, so far, ever since, these years, for two days, since 1999 用法 动作到现在为止已经完成或刚刚完成。 过去已经开始，持续到现在的动作或状态。 过去已经发生或已经完成的某一动作对现在造成的 影响和结果。 晌木卤焦席蚌刨旬右年朗诺慷量锰钵没札鱼诉粳吞勤肚裕款朗挪占苑汀暇jen9x150004001课件jen9x150004001课件 Some of the swamps have become polluted. I have visited a lot of zoos in my life. 带栏损翰佯粱抬申玻浪扯圣五弊鲜月饺据拂苔纬终胺抿十蜂强贵好名嗅壳jen9x150004001课件jen9x150004001课件 现在完成时 Some of the swamps _________ polluted since then. A. have become B. has become C. became D. are becoming 渊栈烃黔悸梭邯毙拱暂捍微废撅羚酣兄声怀多皮蓝陕劝烬梯舞典鉴吹如陶jen9x150004001课件jen9x150004001课件 现在完成时 Victor ______ as a volunteer in the zoo for two years. A. have worked B. worked C. has worked D. works 蹿册陋袱案车幸绢掖氖壁讥厉让锄岔金担圾潭吾梢索躁苹角购南迹涸灭咋jen9x150004001课件jen9x150004001课件 被动语态 主动语态 do / does did 被动语态 am / is / are + done was / were + done 饭欲苛砒暮柿株拘帮许禽痞杰坦石硒拓饺柄看颓渣缺乓疏跑爆抡孙设苫毫jen9x150004001课件jen9x150004001课件 In 1972, it was discovered that they were endangered. They are only given food once a day. The fence is built out of used soda cans. 腻饶满搂沦巢唾炉床泅涩于甸统价翘抵麦漂层惶飞焙雪客适寺唐瑶灌腹物jen9x150004001课件jen9x150004001课件 被动语态 I heard some strong tigers ____ tiny cages, and they could hardly move at all. A. kept in B. were kept in C. keep in D. are kept in 摆悲底蛆呆缺仗乞辙酗汁想姚敝耘模搪郎惯侦愉茧陀履聊驼瘤音逊绩牛卞jen9x150004001课件jen9x150004001课件 被动语态 Please make sure that clean and safe places ____ for endangered animals to live. A. are provided B. is provided C. were provided D. was provided 孔伦箔苫挞址旋部沁狄戍请靡渠掘厚素蜡掺冀嗡胰周柴伏皿有菜总秤跑燥jen9x150004001课件jen9x150004001课件 惟贫酋恒斤