Unit2WildlifeprotectionPeriodThreeDiscoveringUsefulStructuresThepresentcontinuouspassivevoice教學設計教學目標和核心素養(yǎng)MotivateSstodeepentheunderstandingoftheusageofpresentprogressivepassivevoiceinafixedcontext.EnableSstomastertheusageofpresentprogressivepassivevoiceanduseitflexiblyinacontext.LeadSstoconstructsentencesorappreciatesentencesusedmasteritanduseitflexiblyinacontext.教學重點難點1.Helpstudentstoappreciatethefunctionoftheusageofpresentprogressivepassivevoiceinasentence2.Instructstudentstowriteessaysusingtheproperusageofpresentprogressivepassivevoice.教學過程StepILead-in感知以下課文原句，完成以下小題1．Whatisbeingdonetohelpthem?2．Iknowthatthey’rebeinghuntedandtheirhabitatisgettingsmaller.3．Whatmeasuresarebeingtakentohelpthem?4．Theyarebeinghunted,illegally,fortheirvaluablefur.5．Muchisbeingdonetoprotectwildlife，butifwereallywanttosavetheplanet，wemustchangeourwayoflife.以上句子中的黑體部分為現(xiàn)在進行時的被動語態(tài)，其構成形式為be

(am/is/are)＋being＋動詞的過去分詞。StepIINewcontentsThepresentcontinuouspassivevoice1．現(xiàn)在進行時的被動語態(tài)的構成形式形式結構肯定形式主語＋be(am，is，are)＋being＋done否定形式主語＋be(am，is，are)＋not＋being＋done一般疑問式be(am，is，are)＋主語＋being＋done特殊疑問式特殊疑問詞＋be(am，is，are)＋主語＋being＋done2.現(xiàn)在進行時的被動語態(tài)表示的意義(1)表示某事/某人此時此刻正在被……。Thecriminalisbeingwatchedoverbyapoliceman.那名罪犯正由一名警察看守。Thebridgeisbeingrepaired.這座橋正在被修復中。(2)表示某事/某人現(xiàn)階段正在被……。Manyinterestingexperimentsarebeingcarriedoutthesedays.這些天許多有趣的實驗正在被進行著。(說話時并不一定正在進行)(3)表示一種經常性的被動行為，常與always，constantly，frequently等詞連用，表示贊賞(揚)、羨慕、討厭等感情色彩。Ifeelverysurprisedthatthewindowofourclassroomisfrequentlybeingbroken.我感到非常吃驚的是我們教室的那扇窗戶經常被打破。(4)與部分情態(tài)動詞連用，表示對正在發(fā)生的動作的推測。Hemaybebeingscoldedbyhisfatherattheverymoment.此刻他也許正被他父親責罵。3．現(xiàn)在進行時的被動語態(tài)注意要點(1)不可遺漏being。現(xiàn)在進行時的被動語態(tài)表示說話時正在進行的一個被動的動作，如果我們把being漏掉，即成為一般現(xiàn)在時的被動語態(tài)或系表結構。Look！Thechildrenarebeingtakencareofbytheiraunt.瞧！那些孩子正由他們的姑媽照看著。Childrenaretakengoodcareofatschool.孩子們在學校被照顧得很好。(一般現(xiàn)在時的被動語態(tài))Thereportisbeingwrittenbyoneofthebeststudents.報告正由一名最優(yōu)秀的學生寫著呢。Thereportiswellwritten.(系表結構)這個報告寫得很好。(2)現(xiàn)在進行時的被動語態(tài)也可以表示將來?，F(xiàn)在進行時的被動語態(tài)有時可表示按計劃或安排將要進行的一個被動動作(此種用法僅限于少數(shù)及物動詞，如：hold，take等)。Apartyisbeingheldtonight.今晚將要舉行一場晚會。(3)不及物動詞(短語)、非延續(xù)性動詞、表示存在意義/所屬關系/靜態(tài)特征的動詞以及系動詞不用于現(xiàn)在進行時的被動語態(tài)。這本書是他的。[誤]Thebookisbeingbelongedtohim.[正]Thebookbelongstohim.(4)一些表示狀態(tài)、心理活動、擁有、存在等的動詞，如have，want，need，like，realize等，一般不用于進行時的被動語態(tài)，而常用一般現(xiàn)在時的被動語態(tài)表示此時此刻或目前主語正在承受謂語動詞表示的動作?，旣悾^來，有你的電話。[誤]Mary,come’rebeingwantedonthephone.[正]Mary,come’rewantedonthephone.(5)“be＋under/in”等“介詞＋名詞”結構可表示現(xiàn)在進行時的被動語態(tài)的含義。Theproblemisunderdiscussion(isbeingdiscussed)atthemeeting.這個問題正在會上討論。Thetelephoneisinuse(isbeingused)now.這部電話正在使用中。StepIIIPracticeⅠ.單句語法填空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.用現(xiàn)在進行時的被動語態(tài)改寫下列句子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.語法填空(用所給詞的正確時態(tài)、語態(tài)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