+Unit13++Section+A+(Grammar+Focus-4c)+預習導學 人教版九年級英語全冊

人教版初中英語九年級全一冊Unit13We’retryingtosavetheearth!(Period3)SectionA(GrammarFocus-4c)班級_________姓名_________學習目標學習目標學完這一課，你能夠掌握：1．語法：復習現(xiàn)在進行時、現(xiàn)在完成時、被動語態(tài)、情態(tài)動詞、usedto句型；2．交際功能：恰當運用各種時態(tài)談論環(huán)境污染與環(huán)境保護。課前學習任務課前學習任務【學習任務一】詞匯檢測。1．參加________________2．v.承擔得起(后果)；買得起________________3．關(guān)掉________________4．a(chǎn)dj.可重復使用的；可再次使用的________________5．付費；付出代價________________6．采取行動________________7．n.運輸業(yè)；交通運輸________________【學習任務二】翻譯下列句子。1．我們正在努力拯救地球。______________________________________________________________________2．這條河過去是那么干凈。______________________________________________________________________3．空氣被嚴重污染了。______________________________________________________________________4．沒有科學研究表明魚翅對健康有益。______________________________________________________________________5．我們應該幫助拯救鯊魚。______________________________________________________________________課堂學習任務課堂學習任務【學習任務一】小組探究。1．觀察GrammarFocus中的句子，找出每個句子涉及的語法項目。We’retryingtosavetheearth.Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.2．觀察GrammarFocus中的句子：（1）從SectionA部分找出幾個與左欄例句所涉及語法項目相同的句子。________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________（2）寫下你的發(fā)現(xiàn)及疑問：Notes:____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________【學習任務二】小組探究。根據(jù)提示為每一幅圖片寫一段對話。________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Whatis/arethe...madeof?Whereis/arethe...made?Whois/arethe...madeby?________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________一、現(xiàn)在進行時含義：表示現(xiàn)在正在發(fā)生或進行的動作。構(gòu)成：am/is/are+動詞________________用法：①說話時或目前正在進行的動作。e.g.Don’tmakesuchloudnoise.Thechildren________________(have)anEnglishlesson.②一些表示位置移動的動詞，如go、come、leave、arrive等，常用現(xiàn)在進行時表________。e.g.He________________(leave)forShanghaitomorrow.二、現(xiàn)在完成時含義：表示________發(fā)生的動作對________造成的影響或產(chǎn)生的結(jié)果。結(jié)構(gòu)：have/has+________________用法：①表示到現(xiàn)在為止已經(jīng)發(fā)生的動作或狀態(tài)，句中常用already、just、________（通常用于否定句和疑問句等）。②表示到現(xiàn)在為止曾經(jīng)或從來沒有發(fā)生過的動作或狀態(tài)，句中常用ever或________。③表示到目前為止某一動作已經(jīng)發(fā)生了若干次，句中常用once、twice、…times。④表示一段時間以來某一動作或狀態(tài)一直發(fā)生，句中常用since或for。注意動詞為________（延續(xù)性/非延續(xù)性）動詞。三、被動語態(tài)構(gòu)成：be動詞+及物動詞的________（1）一般現(xiàn)在時的被動語態(tài)：________/________/________+及物動詞的________（2）一般過去時的被動語態(tài)：________/________+及物動詞的________（3）一般將來時的被動語態(tài)：will/shall________+及物動詞的________（4）現(xiàn)在進行時的被動語態(tài)：am/is/are+________+及物動詞的________（5）現(xiàn)在完成時的被動語態(tài)：________/________been+及物動詞的________（6）含情態(tài)動詞的被動語態(tài)：情態(tài)動詞+________+及物動詞的________注意：主動語態(tài)變被動語態(tài)時，be動詞的時態(tài)跟原主動語態(tài)中的時態(tài)________（一致/不一致）。四、情態(tài)動詞情態(tài)動詞表示說話人對某一動作或狀態(tài)的態(tài)度，如認為“可能”“應當”“必要”等。情態(tài)動詞本身有一定的意義，________（能/不能）單獨作謂語，________（有/沒有）人稱和數(shù)的變化。后面一般跟動詞________。五、usedto句型usedto意為“________________”，指的是過去的習慣性動作，目的在于與現(xiàn)在形成對照。usedto中的to是不定式符號，后面跟動詞________。在美式英語中，它的疑問式是：________+主語+useto________sth.?否定式是：主語+________use…”在英式英語中，它的疑問式是：________+主語+tosth.?否定式是：...________notto...或...________to...e.g.Mygrandpausedto________(walk)inthepark.【學習任務三】1．（1）Fillintheblankswiththecorrectformsoftheverbsinbrackets.Joe:_____youever_____(take)partinanenvironmentalproject?Ken:Yes,Ihave.I______(help)withaClean-UpDaylastyear.Itwas__________(consider)thebiggestclean-upprojectthiscity____ever_____(have).Joe:Howmanypeople______(take)part?Ken:I______(think)morethan1,000people______(come)tohelpout.Joe:That’sfantastic!Iguesseveryoneinthiscityis______(try)toimprovetheenvironment.Ken:Yes,wecan’taffordto_____(wait)anylongertotakeaction!（2）分角色朗讀對話。2．Fillintheblankswiththeappropriatemodalverbsfromthebox.canwouldcouldhavetoshouldmustmay/mightPeople___________thinkthatbigthings_______bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you_____saveelectricitybyturningoffthelightswhenyouleavearoom.You______alsousereusablebagsinsteadofplasticbags.Ithinkit’sagreatideathatyounow_______payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,you______rideyourbikeorwalk.Ifit’sfar,you______takethebus.Allthesesmallthings______addupandbecomebigthingsthat_______improvetheenvironment.Let’stakeactionnow!3．（1）Makealistofthingsthatpeoplecandotohelptheenvironment.usepublictransportation_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________（2）Discussyourlistwithyourpartner.A:Ithinkthateveryoneshouldusepublictransportation.B:Idisagree.It’sdifficultforparentswithyoungchildrentousepublictransportation…（3）利用討論結(jié)果辦一期以“保護地球”為主題的黑板報?！緦W習任務四】小組探究。1．takepartin意為“________”，其賓語通常是activity、meeting、conversation、war、project等。辨析takepartin、join與joinin________________指加入某一組織、黨派或社會團體，從而成為其中一員，如參軍、入團、入黨等；________________參加某項工作、活動或運動，并在其中起一定作用；________________多指參加正在進行的活動，如競賽、娛樂、談話等，其后只能接表示活動的名詞。選詞填空（takepartin，join，joinin） ____________ ____________ ____________2．a(chǎn)fford動