有机物的特征

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1、被动语态课件WuXiuhuaFromYumenMiddleSchool一构成主语是动作的承受者，用被动语态。1.现在时被动语态：am/is/are+及物动词的过去分词，（be是助动词）e.g:Englishisspokenbymanypeople.Germanisn’ttaughtinourschool.IsFrenchstudiedinyourschool?grammar:2.过去时的被动语态：was/were+及物动词的过去分词e.g:Thesenewhouseswerebuiltin2000.Mybikewasn’tmadeinShanghai.Wasthiskindo

2、fmachinemadeinShenzhen?注意：被动语态中be的形式是由主语决定的3.情态动词的被语态：must/can/may+be+动词的过去分词e.g:Thecarmustn’tbestoppedhere.Canthischairbetakenoutoftheroom?Thisjobmustbefinishedontime.小窍门：我们可以这样看被动语态的基本构成：be+及物动词的过去分词表示时态表示被动要变化不变化二被动语态的几种类型：1主动句中有一个宾语的被动语态Hesawherintheshopyesterday.Shewasseenintheshopyest

3、erday.2主动句中有二个宾语的被动语态Jimgavemeabook.IwasgivenabookbyJim.AbookwasgiventomebyJim.3主动句中含有宾语补足语句子的被动语态Mothertoldmenottobelate.Iwastoldnottobelatebymother.Isawmotherplantingflowersinthegarden.Motherwasseenplantingflowersinthegarden.Theymadehimwork12hoursaday.Hewasmadetowork12hoursaday.4短语动词的被动语态

4、Icantakegoodcareofthebaby.Thebabycanbetakengoodcareof.三被动语态的注意事项1“主语+系动词+表语”的句子没有被动语态2therebe句型没有被动语态3主动句中宾语是反身代词的没有被动语态4主动句的谓语动词是不及物动词的没有被动语态，但与介词搭配后，则有:Thenurselookedafterhimcarefully.Thebabywaslookedafterbythenursecarefully.Practice:1MustIpayforitatonce?_____it______________atonce?2Wewil

5、lbuildanewlab.Anewlab_____________.3Theyaren’tstoppingthetrafficnow.Thetraffic_______________now.4Howlonghaveyoukeptthebook?Howlong____thebook________?Mustbeenpaidforwillbebuiltisn’tbeenstoppinghasbeenkept5Ifyourhomework______(do)well,youmaygotoplay.6Mr.Greenwasseen_______(grow)trees.7Thebl

6、ackboardwas________(look)carefullybythestudents.8Theshipmodel____be____(make)intwodays.isdonetogrowlookedatwillmadeTranslatethefollowingsentences.1.我们必须采取措施以阻止河流的进一步污染。Something____________________tostoptheriverfrombeingpollutedmore.2.世界上讲英语的人是最多的。English____________bythelargestnumberofpeop

7、leintheworld.mustbedoneisspoken3.明年我校还要修一幢新教学楼。Anothernewteachingbuilding_________________inourschoolnextyear.4.中国南方种水稻。Rice__________inSouthChina.5.昨天爸爸给你买了一辆自行车。Abike______________foryoubyyourfatheryesterday.willbebuiltisgrownwasbought6.前天在街道拐弯处发生了一起车祸