2019-2020学年高中英语 Unit 4 Wildlife Protection Section B Learning about Language课件 新人教版必修2

unit4wildlifeprotectionsectionblearningaboutlanguage 单元语法现在进行时的被动语态一 构成肯定式 主语 am is are beingdone 否定式 主语 am is arenot beingdone 一般疑问式 am is are 主语 beingdone 特殊疑问式 疑问词 am is are 主语 beingdone 二 用法 1 表示说话时正在进行的被动动作 2 表示现阶段正在进行的被动动作 说话时不一定在进行 3 表示一种经常性的被动行为 常与always constantly frequently等表示频度的副词连用 带有赞赏或厌恶等感情色彩 4 表示按计划或安排将要发生的被动动作 仅限于少数及物动词 三 注意事项 1 一些表示状态 心理活动 拥有 存在等的动词 如have want need love realize等 一般不用于进行时 因而也没有进行时的被动语态 而常用一般现在时的被动语态表示此刻或目前主语正承受谓语动词表示的动作 玛丽 过来 有你的电话 mary comehere you rebeingwantedonthephone mary comehere you rewantedonthephone 2 少数动词用于现在进行时态 用主动形式表示被动含义 如print cook fry hang等 3 be in on under 名词 常含被动意义 可代替现在进行时的被动语态 4 因为被动语态的基本结构为bedone 不少学生误将现在进行时的被动语态结构 am is are beingdone 写成一般现在时的被动语态结构 am is are done 瞧 这条道路正在建设中 look theroadisbuilt look theroadisbeingbuilt 晚宴正由克里斯蒂娜准备着 thedinnerispreparedbychristina thedinnerisbeingpreparedbychristina 四 句型转换现在进行时的被动语态与现在分词的被动式beingdone均可表示正在进行的被动动作 因此它们之间可以相互转换 误区警示非谓语动词的被动形式 表达不同时间的被动意义 作用也不一样 tobedone 不定式的被动形式 表将来和被动beingdone 现在分词的被动形式 表进行和被动havingbeendone 现在分词完成式的被动形式 表完成和被动 练习一单句语法填空 1 look thebaby take careofbyheraunt 2 词汇复现 anewhouse decorate outsideourschoolatpresent 3 anewlibrary build here theyhopetofinishitnextmonth 4 hi i malice lookatthisphoto asnowman make byme 5 atpresentanewhome build forpandas 6 isthebridge repair now isbeingtaken isbeingdecorated isbeingbuilt isbeingmade isbeingbuilt beingrepaired 7 toourdelight manyendangeredspecies protect bythegovernmentnow 8 manyinterestingexperiments carry outthesedays 9 sinceyourbike repair youcanusemine 10 daisyhasfoundthatalotofantelopes hunt andkilledforthewoolbeneaththeirstomachsnow 11 thenewgenerationofcomputers withartificialintelligence develop andperfectednow arebeingprotected arebeingcarried isbeingrepaired arebeinghunted arebeingdeveloped 12 2017 江苏卷 hehurriedhome neveroncelookingbacktoseeifhe follow 13 idon tsupposethepoliceknowwhodidit well surprisinglytheydo amanhasbeenarrestedand question now 14 haveyouhandedinyourschoolworkyet yes ihave iguessit grade now 15 what sthatnoise oh iforgottotellyou thenewmachine test wasbeingfollowed isbeingquestioned isbeinggraded isbeingtested 练习二单句写作 1 thesebirds 正在被保护 wellhere 2 thesportsmeeting 正在被举办 inourschool 3 howmanybuildings 正在被修建 inthetown 4 thegiantmachine 被拆卸 atthemomentanditwillbefixedupinthenewworkshopinthenearfuture 5 theclassroom 被装饰 withballoonsandflowersrightnowandthestudentsarepreparingforthenewyearparty arebeingprotected isbeingheld arebeingbuilt isbeingtakenapart isbeingdecorated 6 itisreportedthatmanyanewhouse 正在被建造 atpresentinthedisasterarea 7 he 总是受到表扬 bytheteacher 8 thewindowofourclassroom 经常被打破 9 thesumthesecomputerswillcostus 正在计算中 10 withthepopulationincreasing moreland 需要 isbeingbuilt isalwaysbeingpraised isfrequentlybeingbroken isbeingcalculated isneeded 练习三句型转换 1 请告诉我此刻正在举行的会议的有关情况 pleasetellmesomethingaboutthemeetingbeingheldnow pleasetellmesomethingaboutthemeeting 2 我发现国旗正在升起 ifindthenationalflagisbeingraised ifindthenationalflag 3 电脑现在正在使用中 thecomputerisinusenow thecomputer now whichisbeingheldnow beingraised isbeingused 4 近来这些高科技产品正在展出中 thesehigh techproductsareondisplaythesedays thesehigh techproducts thesedays 5 此刻 那座城堡正遭到袭击 thecastleisunderattackatthemoment thecastle atthemoment arebeingdisplayed isbeingattacked 6 这条公路正在修建 建造中 the