2023学年完整版Unit2Period3设计

Unit2WildlifeprotectionPeriodThreeDiscoveringUsefulStructuresThepresentcontinuouspassivevoice教学设计教学目标和核心素养MotivateSstodeepentheunderstandingoftheusageofpresentprogressivepassivevoiceinafixedcontext.EnableSstomastertheusageofpresentprogressivepassivevoiceanduseitflexiblyinacontext.LeadSstoconstructsentencesorappreciatesentencesusedmasteritanduseitflexiblyinacontext.教学重点难点1.Helpstudentstoappreciatethefunctionoftheusageofpresentprogressivepassivevoiceinasentence2.Instructstudentstowriteessaysusingtheproperusageofpresentprogressivepassivevoice.教学过程StepILead-in感知以下课文原句，完成以下小题1．Whatisbeingdonetohelpthem?2．Iknowthatthey’rebeinghuntedandtheirhabitatisgettingsmaller.3．Whatmeasuresarebeingtakentohelpthem?4．Theyarebeinghunted,illegally,fortheirvaluablefur.5．Muchisbeingdonetoprotectwildlife，butifwereallywanttosavetheplanet，wemustchangeourwayoflife.以上句子中的黑体部分为现在进行时的被动语态，其构成形式为be

(am/is/are)＋being＋动词的过去分词。StepIINewcontentsThepresentcontinuouspassivevoice1．现在进行时的被动语态的构成形式形式结构肯定形式主语＋be(am，is，are)＋being＋done否定形式主语＋be(am，is，are)＋not＋being＋done一般疑问式be(am，is，are)＋主语＋being＋done特殊疑问式特殊疑问词＋be(am，is，are)＋主语＋being＋done2.现在进行时的被动语态表示的意义(1)表示某事/某人此时此刻正在被……。Thecriminalisbeingwatchedoverbyapoliceman.那名罪犯正由一名警察看守。Thebridgeisbeingrepaired.这座桥正在被修复中。(2)表示某事/某人现阶段正在被……。Manyinterestingexperimentsarebeingcarriedoutthesedays.这些天许多有趣的实验正在被进行着。(说话时并不一定正在进行)(3)表示一种经常性的被动行为，常与always，constantly，frequently等词连用，表示赞赏(扬)、羡慕、讨厌等感情色彩。Ifeelverysurprisedthatthewindowofourclassroomisfrequentlybeingbroken.我感到非常吃惊的是我们教室的那扇窗户经常被打破。(4)与部分情态动词连用，表示对正在发生的动作的推测。Hemaybebeingscoldedbyhisfatherattheverymoment.此刻他也许正被他父亲责骂。3．现在进行时的被动语态注意要点(1)不可遗漏being。现在进行时的被动语态表示说话时正在进行的一个被动的动作，如果我们把being漏掉，即成为一般现在时的被动语态或系表结构。Look！Thechildrenarebeingtakencareofbytheiraunt.瞧！那些孩子正由他们的姑妈照看着。Childrenaretakengoodcareofatschool.孩子们在学校被照顾得很好。(一般现在时的被动语态)Thereportisbeingwrittenbyoneofthebeststudents.报告正由一名最优秀的学生写着呢。Thereportiswellwritten.(系表结构)这个报告写得很好。(2)现在进行时的被动语态也可以表示将来。现在进行时的被动语态有时可表示按计划或安排将要进行的一个被动动作(此种用法仅限于少数及物动词，如：hold，take等)。Apartyisbeingheldtonight.今晚将要举行一场晚会。(3)不及物动词(短语)、非延续性动词、表示存在意义/所属关系/静态特征的动词以及系动词不用于现在进行时的被动语态。这本书是他的。[误]Thebookisbeingbelongedtohim.[正]Thebookbelongstohim.(4)一些表示状态、心理活动、拥有、存在等的动词，如have，want，need，like，realize等，一般不用于进行时的被动语态，而常用一般现在时的被动语态表示此时此刻或目前主语正在承受谓语动词表示的动作。玛丽，过来，有你的电话。[误]Mary,come’rebeingwantedonthephone.[正]Mary,come’rewantedonthephone.(5)“be＋under/in”等“介词＋名词”结构可表示现在进行时的被动语态的含义。Theproblemisunderdiscussion(isbeingdiscussed)atthemeeting.这个问题正在会上讨论。Thetelephoneisinuse(isbeingused)now.这部电话正在使用中。StepIIIPracticeⅠ.单句语法填空1．Isthemeetingbeing

held(hold)inthehallnow?2．Wecanhearthatthepapersare

being

printed(print)thesedays.3．Mysisteris

being

interviewed(interview)atthismoment.4．Thereisalotofnoiseoutsideasrepairworkis

being

done(do)tothehouse.5．Look!Themanis

being

questioned(question)bythepolice.Ⅱ.用现在进行时的被动语态改写下列句子6．Theyarebuildingnineparks.Nine

parks

are

being

built

(by

them)．7．Yourquestionsareunderdiscussion.Your

questions

are

being

discussed.8．TheyarestudyingtheMiludeerattheresearchcentre.The

Milu

deer

are

being

studied

at

the

research

centre

(by

them)．9．Theyarecollectingmoneyfortheproject.Money

is

being

collected

(by

them)

for

the

project.10．Myfatherispaintingournewhousenow.Our

new

house

is

being

painted

(by

my

father)

now.Ⅲ.语法填空(用所给词的正确时态、语态填空)LiMing：Hi,LinTao,it’sseveralmonthssincewe(meet)lastsaidyouweretiredofyourworkandyou

find(find)anewareyoudoingnow?LinTao：Oh,I’m

trained(train)fortheworkinthesupermarketthisknow,asupermarket

being

built(build)inourtown,andit

be(be)openinabouttwoareyougoingnow?LiMing：I

going(go)tothecentrestadium,wherethespringsportsmeeting

being

held(hold)．LinTao：Ihearthatacarexhibitionisalso

held(hold)don’tyoudrivethere?It’salongwayfromhere.LiMing：Ther