高中英语 Unit 3 Computers 2 Learning about Language课件 新人教版必修2.ppt

section learningaboutlanguage 一 二 三 四 一 用所给动词的适当形式填空1 they tell aboutitmanytimesandibelievetheywillpayattentiontoit 2 greatchanges take placeinthecityinthepastthreeyears 3 mysisterisworkingatthepowerstationthat use forjustoneyear 4 tillnow threefilms show inthatsmallvillagethismonth 5 nobooks buy sincelastweek havebeentold havetaken hasbeenused havebeenshown havebeenbought 一 二 三 四 二 读下列句子 选出含有被动语态的句子1 theboyhaslostthekeytotheclassroom 2 lotsofquestionshavebeenaskedbythestudentsaroundme 3 thisisthefirsttimeihaveriddenahorse 4 ihavestudiedenglishforabouttenyears 5 hishomeworkhasbeendone 6 anewlibraryhasbeenbuiltinourschool 7 i veneverheardofanythingaboutit 8 hiscomputerhasbeenrepairedbytheyoungwoman 含有被动语态的句子 归纳 现在完成时的被动语态的构成为 2 5 6 8 have has been 及物动词的过去分词 一 二 三 四 三 读下列句子 试着把可以变为被动语态的句子改为被动语态例句 wehaveusedthecomputerfortwoyears thecomputerhasbeenused byus fortwoyears 1 howmanywordshaveyoulearned 2 theyhavealreadygotup 3 hehastranslatedthosebooksintochinese 4 thisbuildingbelongstoourcompany 5 shehasboughtsomeflowersforhermother 答案 howmanywordshavebeenlearned byyou 答案 不能变为被动语态 答案 thosebookshavebeentranslatedintochinesebyhim 答案 不能变为被动语态 答案 someflowershavebeenboughtbyherforhermother 一 二 三 四 6 weshouldpayattentiontoourspellingandgrammar 7 canyoumeetourneed 8 areyoufreethedayaftertomorrow 答案 attentionshouldbepaidtoourspellingandgrammar 答案 canourneedbemetbyyou 答案 不能变为被动语态 一 二 三 四 四 欣赏下面的笑话 画出含有被动语态的句子a granny mayiaskifyouhavestrongteeth b strongteeth allmyteethhavebeenpulledoutbyabaddentist 牙医 a good keepthesenutsforme willyou i llplayfootballforhalfanhour ofcourseidon tmindifthenutsareeatenup 答案 a granny mayiaskifyouhavestrongteeth b strongteeth allmyteethhavebeenpulledoutbyabaddentist 牙医 a good keepthesenutsforme willyou i llplayfootballforhalfanhour ofcourseidon tmindifthenutsareeatenup 1 2 1 bythetimeiwassixteen mydreamhadcometrue 到我十六岁时 我的梦想成为现实 剖析本句的时间状语从句为一般过去时 主句为过去完成时态 又如 bytheendoflastyearhenryhadcollectedmorethanathousandforeignstamps 到去年年底 亨利已经收集了一千多张外国邮票 归纳 当bythetime后接一般过去时的句子时 其主句应用过去完成时态 1 2 当bythetime后接一般现在时的句子时 其主句用将来完成时态 如 bythetimeyoureturn wewillhavestartedthework 到你回来时 我们将已经开始这项工作了 考点cometrue实现 成为现实hisdreamofbeingadmittedtooxforduniversityisdifficulttocometrue 他被牛津大学录取的梦想很难实现 1 2 cometrue和realize的区别 ibelieveyourdreamwillberealized ibelieveyourdreamwillcometrue ibelieveyourdreamwillbecomeareality 我相信你的梦想会实现 归纳 cometrue作为 实现 讲 是不及物动词短语 不能用于被动结构 realize作为 实现 讲时 是及物动词 后接宾语 可用于被动结构 表示 成为现实 也可以用becomeareality来表达 1 2 活学活用语法填空1 he graduate fromtheuniversitybythetimehisfathercamebackfromabroad 2 bythetimeyouwakeuptomorrowmorning we arrive intheusa hadgraduated willhavearrived 单句改错3 bythetimewegotthere thebusleft 4 doyouthinkhisdreamwillbecometrue 答案 bus后加had 答案 去掉be 1 2 2 grammar 现在完成时的被动语态考点一现在完成时的被动语态的定义和构成现在完成时的被动语态同主动语态一样强调过去的动作对现在的影响 现在完成时的被动语态由 has have been 及物动词的过去分词 构成 注意各种句式变化 下面以动词teach为例 列表说明现在完成时的被动语态的句式变化 1 2 1 2 考点二现在完成时的被动语态的注意事项1 只带有一个宾语的动词变为被动语态时 将主动语态的宾语变为被动语态的主语 主动 wehavebuiltmanyhousesinthepasttenyears 被动 manyhouseshavebeenbuiltinthepasttenyears 2 带有双宾语的动词 如give send bring take teach show tell make sing write read sell buy ask pay borrow lend offer hand pass get promise等 变为被动语态时 可将其中一个宾语变为主语 另一个保留在原处 主动 ihavegivenhimthebook 被动 hehasbeengiventhebook 被动 thebookhasbeengiventohim 注意 带有双宾语的动词在由主动语态变为被动语态时 一般把表示 人 的宾语 间接宾语 变为主语 1 2 3 带有复合宾语 宾语 宾语补足语 的动词变为被动语态时 只能将宾语变为主语 原来的宾语补足语仍留在原处 改称为主语补足语 原来为省略to的不定式做宾语补足语的 被动语态中要用带to的不定式 主动 ihaveaskedhimtohelpyou 被动 hehasbeenaskedtohelpyou 主动 ihavemadehimworkhard 被动 hehasbeenmadetoworkhard 1 2 4 短语动词变为被动语态时 要注意保持其完整性 动词后面原有的介词或副词切不可遗漏 主动 hehasreferredtothebook 被动 thebookhasbeenreferredto byhim 主动 hehasthoughtofawayofdoingit 被动 awayofdoingithasbeenthoughtof 5 由主动语态变为被动语态时要注意主谓一致 主动 hehaswrittenthreenovels 被动 threenovelshavebeenwritten byhim 1 2 考点三现在完成时的被动语态的高考考点 1 2 1 2 1 2 1 2 1 2 活学活用语法填空1 2015 重庆高考改编 inmyhometown thereisalwaysaharvestsupperforthefarmersafterallthewheat cut 2 2015 天津高考改编 despitethepreviousroundsoftalks noagreement reach sofarbythetwosides 3 2015 福建高考改编 thebattlelastslittlemorethanhalfanhour inwhichtimearound50 000kilogramsoftomatoes throw atanyoneoranythingthatmoves runs orfightsback 4 2015 浙江高考改编 inmostcitiestheskylooksasthoughit empty ofstars leavingbehindavacanthazethatmirrorsourfearofthedark hasbeencut hasbeenreached havebeenthrown hasbeenemptied 1 2 5 everyyearafloodoffarmersarriveinshenzhenforthemoneymakingjobsthey promise beforeleavingtheirhometowns 6 morethanonemeans take sincetomlearnedthenewlanguage buthestilldoesn tperformwell 7 thefieldswherecropsusedtobegrown use forbuildingsnow 8 thenewdictionariesareveryuseful they sell welland sellout already 9 computers use inofficesandhomessince1970s 10 whatisthepriceofpetrolthesedays oh it rise slightlysincelastmonth havebeenpromised hasbeentaken arebeingused sell havebeensoldout havebeenused hasrisen 1 2 将下列句子改为被动语态11 theprogrammerhasprogrammedtherobotstoactjustlikehumanbeings 12 theyhaveputthecomputerintoarobot 13 wehavefinishedtheworknow 14 hehasgiventhechildsomeinterestingbooks 答案 therobotshavebeenprogrammedtoactjustlikehuma