【优化课堂】2012高中英语 Unit4 period ⅱ learning abouage课件 新人教版选修6

SectionLearningaboutLanguageageneraltendencyinthewayasituationischanging形势变化的总的趋势1tendencyn倾向；趋势,典例,Thereisagrowingtendencyforpeopletoworkat,homeinsteadofinoffices.人们在家里而不是在办公室工作的趋势日益增长。,拓展tendency(forsb.)todosth.(某人)做某事的倾向,tendencytowards/tosth.的倾向/趋势,运用完成句子,Hehas_(逃跑的倾向)standingonthe,stagefacingsomanypeople.,The_(和平的趋势)canbeseen,clearlynow.,atendencytorunaway,tendencytowards/topeace,Onthewholethewarmingoftheearthisaphenomenonthatcausesgreatconcern.地球变暖基本上是一个引起巨大关注的现象。2onthewhole大体上；基本上,典例,Nocitizenspayattentiontotheeffectstheyhaveon,theenvironmentonthewhole.基本上，没有市民去关注他们对环境造成的影响。拓展asawhole作为一个整体；整体来看thewholeof整个,运用用whole构成的短语填空Thisarticleiswellwritten_.,We,must,look,at,the,educational,problem,_._themorningwaswastedtryingtofindthedocuments.,onthewhole,asawhole,Thewholeof,Low-lyingcountriesfeeltheirveryexistenceisin,dangerfromrisingsealevels.低洼的国家感到他们完全生存在海平面上升的危险中。3existence,解析existence是动词exist的名词形式，多用作不可数名,词，表示“生存；存在”。如：,ItsimpossibletoprovetheexistenceofGod.无法证明上帝的存在。,拓展inexistence存在的；现有的,comeintoexistence(comeintobeing)产生；成立bring/oexistence使产生/成立,运用完成句子,Thisisthetallestbuilding_(现有的)in,theworld.,Thecompany_(成立)20yearsago.,inexistence,cameintoexistence,it的用法,本单元的语法点是it引导的强调句。it可以用来对句子的某一成分进行强调，其基本句型结构为“Itis/was被强调的成分that/who/whom其他成分”。该结构的强调成分仅限于主语、宾语和状语。,1强调主语,ItwasIthat/whometJackonthewaytoschoolthismorning.,是我今天早晨在上学的路上碰到了杰克。,2强调宾语或介宾,ItisMarywho/whom/thatyoushouldask.你应该问的是玛丽。,Itwastomethatshegavethemoney.她那钱是给我的。,3强调状语,(1)强调地点状语,ItwasinShanghaithatIstudiedfouryearsago.我四年前就是在上海读书。(2)强调时间状语,ItwasfouryearsagothatIstudiedinShanghai.就在四年前我在上海读书。(3)强调方式状语,Itwasinthiswaythattheywonthegame.就是用这种方法他们赢得了比赛。,注意：,(1)强调人时，连接词可用that，也可用who(作从句的主语)或whom(作从句的宾语)；强调物或状语时，连接词只能用that。(2)原句的谓语动词时态是过去时，用“Itwas.”，其余用“It,is.”。如：,ItisEnglishthatMr.Wangteachesus.王老师教我们的是英语。,ItwasEnglishthatMr.Wangtaughtuslastyear.王老师去年教我们的是英语。,(3)从结构上看，把强调句的结构去掉，剩下的仍是完整的,句子。,(4)强调句的一般疑问句为“Is/Wasit.that.”；否定句为“Itisnt/wasnt.that.”；特殊疑问句为“特殊疑问词is/wasitthat.”。如：,Isittomorrowthatwewillhaveameeting?是不是明天我们将有一个会议？,Itisnttomorrowbutthedayaftertomorrowthatwewillhave,ameeting.不是明天而是后天我们将有一个会议。,Whenwasitthatyoucaughtacold?你究竟是什么时候感冒的？,一、完成句子,1_alongtheMississippiRiver_(正是)MarkTwainspentmuchofhis,childhood.,2What_(是)hisdaughterneedsmost?3ItwasMikeandJim_(帮助)theold,manlastweek.,4It_(是她)peopletooktoanearby,hospitallastnight.,5Itwas_hecameback_,(直到才)heknewthenews.,Itwas,that,isitthat,who/thathelped,washerthat/whom,notuntil,that,二、句型转换,1Itwasat9thatIcalledyouyesterday.(对画线部分提问),_,2IvisitedthemuseumwithMaryonSunday.(强调句，强调,时间状语),_,3Ioftenhelpmymotherwiththehousework.(强调句，强调,宾语),_,Whenwasitthatyoucalledmeyesterday?,ItwasonSundaythatIvisitedthemuseumwithMary.,Itismymotherthat/who/whomIoftenhelpwiththehousework.,4Itwasnotuntiltenoclocklastnightthatmyfather,re