Unit+2+Be+sporty,+be+healthy+Grammar+and+usage+教学设计 牛津译林版（2020）高中英语必修第二册

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课程基本信息学科英语年级高一学期春季课题BOOK2UNIT2Besporty,behealthyGrammarandusage2教科书书名：新译林教材出版社：译林出版社出版日期：2020年12月教学目标Bytheendofthissection,studentswillbeableto:mastertheuseofpassivevoiceinthepresentcontinuousandpresentperfecttense;changeactivevoiceintopassivevoicecorrectly.教学内容教学重点：Reviewthegrammarrules.Helpstudentstounderstandtheruleswhenchangingactivevoiceintopassivevoice.

教学难点：1.Howtoexplaintherulesclearlyandmakestudentsunderstand.教学过程ReviewThepassivevoiceinthepresentcontinuoustenseoftenrefersto:apassiveactionthatareongoingapassiveactionthatisbeingcarriedoutduringthisperiodbutisnotnecessarilyhappeningatthismoment.Itisoftenusedinconjunctionwiththesedays,thisweek,etc.Thepassivevoiceinthepresentcontinuoustenseofafewverbsindicatesthatacertainactionwillbeenduredaccordingtotheplanorschedule.be+under/in/on+n.canindicatethemeaningofthepassivevoiceinthepresentcontinuoustense.Attention:Theprepositionoradverbinphrasalverbscannotbeomitted,andthephrasalverbshouldbeseenasawhole.Thepassivevoiceinthepresentperfecttenseoftenrefersto:apassiveactionthatoccurredinthepast,emphasizingtheeffectsandresultsithasforthepresent.apassiveactionorstatethatoccurredinthepast,continuestothepresentandmaycontinueinthefuture.Itisoftenusedinconjunctionwithtimeadverbssuchasforatime,since,howlong,etc.Attention:一般过去时的被动语态表示一个被动的动作发生在过去某个时间，其结果对现在没有影响；而现在完成时的被动语态的动作或状态尽管发生在过去，但强调该动作或状态对现在造成的影响和结果。HomeworkcheckingApplyingtherules.LetstudentsfinishtheexerciseB1andB2onthetextbookandthenchecktheanswers.Extension主动语态变被动语态应注意的问题”1.把主动语态变为被动语态时，应保留主动语态原来的时态。2.有些动词可以有双宾语，在用于被动结构时，通常变为主语的是间接宾语（sb.）3.当“动词+宾语+宾语补足语”结构变为被动语态时，将宾语变为被动结构中的主语，其余不动4.在使役动词have,make,get以及感官动词see,watch,notice,hear,feel,observe等变为被动结构时，要加to。5.有些相当于及物动词的词组，如“动词＋介词”，“动词＋副词”等，也可用于被动结构，但要看作一个整体，不能分开，其中的介词或副词也不能省略。6.系动词taste,smell,feel,sound,prove等可用主动形式表达被动意义。7.某些与can’t,won’t等连用的不及物动词，如move,lock,shut,open等可用主动形式表达被动意义。8.某些可用来表示主语内在品质或性能的不及物动词，如sell,write,wash,clean,last(耐久),wear(耐穿)等可用主动形式表达被动意义.9.形容词worth后要用动名词的主动形式表被动意义。10.在动词require,need,want等之后，可用动名词的主动形式表示被动意义。11.动词不定式的主动形式表示被动意义：1)n.+be+too+adj.+todo…Theplaneistoohightosee.2)n.+be+adj.+enough+todo…Thebookischeapenoughformetobuy.3)n.+be+adj.+tod