Unit4_Grammar_精品课件（2025年版）.pptVIP

WildlifeprotectionA.陈述句：主语+am/is/are+being+过去分词B.疑问句：疑问词+am/is/are+主+being+过去分词Presentation表示说话人说话时或现阶段正在进行的动作，经常和时间副词now(现在),rightnow(现在,此刻),atpresent(现在,目前),atthismoment(此刻)连用。Presentation主语和谓语动词之间是被动关系,而且动作正在进行。e.g.EnglishisbeingtaughtbyMissLeenow.Newfunctionsarebeingaddedtothecameraatpresent.PresentationTheTenseoftheThePassiveVoice1.Presentpassivevoice:am/is/are+p.p.e.g.TheOlympicGamesareusuallyheldinbigcities.2.Pastpassivevoice:was/were+p.p.e.g.ThelastOlympicGameswereheldinBeijing.Presentation3.Futurepassivevoice:will/shall+be+p.p.e.g.Thechildrenwillbetakentohospitaliftheyhaveaslightfever.am/is/are+goingtobe+p.p.e.g.Thechildrenaregoingtobetakentohospitaliftheyhaveaslightfever.Presentationam/is/are+tobe+p.p.e.g.Thechildrenaretobetakentohospitaliftheyhadaslightfever.4.Presentcontinuouspassivevoice:am/is/are+being+p.p.e.g.--Whyitissonoisyoutthere?--Oh,it’sbecausetheroadisbeingrepaired.Presentation5.Perfectpassivevoice:have/has+been+p.p.e.g.TheOlympicGameshavebeenheld29times.Presentation现在进行时的被动语态:am/is/are+beingdone表示说话时正在进行的一个被动动作，强调主语是动作的承受者。Presentatione.g.瞧！那个婴儿正由他的姑姑照料着。Look!Thebabyisbeingtakencareofbyheraunt.2)表示这一段时间正在进行的一个被动的动作。e.g.这一阵子许多讲座正在举行。Manyspeechesarebeingheldthesedays.Presentation3)表示按计划或安排将要进行的一个被动动作e.g.今晚将要进行一场圣诞晚会。Apartyisbeingheldtonight.①be+under/in+n.的结构可以表示现在进行时的被动语态的含义。PresentationTheproblemisunderdiscussionnow.=Theproblemisbeingdiscussednow.Thetelephoneisinuse.=Thetelephoneisbeingused.Presentation②一些表示“心理活动,拥有,存在”等动词,一般不用现在进行时的被动语态,而用一般现在时的被动语态。e.g.