高一英语必修2第四单元语法ppt课件.ppt

1 Unit4 WildlifeProtection Period4 GrammarPresentProgressivePassiveVoice现在进行时的被动语态 2 TheTenseoftheThePassiveVoice 1 Presentpassivevoice am is are p p TheOlympicGamesareusuallyheldinbigcities 2 Pastpassivevoice was were p p ThelastOlympicGameswereheldinAthens 3 3 Futurepassivevoice will shall be p p The2008OlympicGameswillbeheldinBeijing am is are goingtobe p p The29thOlympicGamesaregoingtobeheldinBeijingin2008 4 am is are tobe p p The29thOlympicGamesaretobeheldinBeijingin2008 4 Perfectpassivevoice have has been p p TheOlympicGameshavebeenheld28times 5 5 Presentcontinuouspassivevoice am is are being p p Whyitissonoisyoutthere Oh it sbecausetheroadisbeingrepaired 6 Completethesentencesaccordingtothetext 1 We forthewoolbeneathourstomachs Line9 2 Ourfur tomakesweatersforpeoplelikeyou L10 3 Iwonderwhat tohelpyou L12 4 Sogoodthings heretosavelocalwildlife L25 arebeingkilled isbeingused isbeingdone arebeingdone 1 Discoverwhatstructureisused whatstructureisused 7 Summary 现在进行时的被动语态 e g 1 Anewlibraryisbeingbuiltnow 2 Someanimalsarenotbeingprotectedwellenough 3 Isthebridgebeingrepairednow 1 构成 am is are not being V 过去分词 2 意义 正在被做 定义 现在进行时被动语态表示说话时或现阶段某个被动的动作正在进行 8 现在进行时的被动语态基本用法 表示现在正在进行的被动动作 eg Maryisbeinginterviewednow 9 Someculturalrelicsarebeingappreciatedbyexperts 10 He bite byamosquito isbeingbitten 11 2 表现阶段正在进行的被动动作 Theeffectofthenewdrugisbeingstudiedatpresentbyscientist 12 Thehabitatofthepandaisbeingprotectedbythelocalpeople 13 Thehabitatofthepandaisbeingprotectedbythelocalpeople 14 3 少数及物动词的进行时表示按计划 安排将要承受某个动作 Anpartyisbeingheldtonight 今晚将要举办一场晚会 Afolksongisbeingsungnext 下面将唱一首民歌 15 4 be under in V 可代替进行时被动语态 e g Thebridgeisunderrepair Thebridgeisbeingrepaired e g Thetelephoneisinuse isbeingused now 16 如果去掉being 就成为一般现在时被动语态或系表结构 试比较下列句子 Look Thechildrenarebeingtakencareofbytheiraunt 瞧 孩子们现在正由姑姑照看着 指现在的情况 Childrenaretakengoodcareofatschool 孩子们在学校被照看得很好 指通常的情况 17 e g 1 Theyarebuildinganewlibrarynow 被动 Anewlibraryisbeingbuiltnow Manyanimalsarenotbeingprotectedwellenough Isthebridgebeingrepairednow 2 Manyanimalsarebeingprotectedwellenough 否定句 3 Thebridgeisbeingrepairednow 疑问句 18 AhugeChristmastree decorate isbeingdecorated 19 Christmaspresents send tochildren arebeingsent 20 ManyChristmaspresents buy bymyparents arebeingbought 21 AwonderfulChristmasfeast enjoy bymyfamilies isbeingenjoyed 22 典型例题 Anewcinema here Theyhopetofinishitnextmonth 2001北京春季卷 A willbebuiltB isbuiltC hasbeenbuiltD isbeingbuilt2 Ihavetogotoworkbytaxibecausemycar atthegarage 2006重庆卷 A willberepairedB isrepairedC isbeingrepairedD hasbeenrepaired 23 3 Haveyoumovedintothenewhouse Notyet Therooms A arebeingpaintingB arepaintingC arepaintedD arebeingpainted 24 4 Rainforests andburnedatsuchaspeedthattheywilldisappearfromtheearthinthenearfuture A cutB arecutC ar