语法专项复习ObjectClause------宾语从句一、宾语从句的概念宾语从句即句子作宾语，而不再是一个词或短语作宾语。Ilikemyteacher.（名词作宾语)Iknowhim.（代词作宾语）IknowMrLiteachesEnglish.(句子作宾语）包含宾语从句的句子结构：主句+连接词（引导词）+宾语从句二、宾语从句三要素关联词时态语序（一）关联词1.that（陈述句）2.whether/if（一般疑问句）3.连接代词（特殊疑问句）whowhomwhosewhatwhich4.连接副词whenwhywherehow。（特殊疑问句）注：that在句中无词汇意义，在从句中不能充当成分，在口语当中往往省略e.g.1.Ihear(that)_______________________.2.Hesaid(that)______________________.hewillbebackinanhourhemissedusverymuchHewillbebackinanhour.Hemissedusverymuch.由从属连词whether,if引导的宾语从句e.g.1.Askhim_____________________.2.Idon’tknow___________________________.whether(if)hecancomewhetheritisgoingtorainornot当句末为ornot时，引导词只能用whether而不能用if.Canhecome?Isitgoingtorain?If与whether的区别1.Idon’tknow_____hewillcomeornot.2.Idon’tcareof______heishandsome.3.Hewondered______tostayherethenextweek.4.____hewillcomeisnotdecided.与ornot连用只能用whether介词后只能用whether与todo不定式连用只能用whether作主语只能用whether由连接代词what,whom,whose,which,what及连接副词when,where,how,why引导的宾语从句由连接代词what,whom,whose,which,what及连接副词when,where,how,why引导的宾语从句whenwe’llhaveameetingwhocouldanswerthequestion1.Heasked__________________________.2.Doyouknow_________________________.3.Pleasetellme_______________________.whomtheyarewaitingforWhocouldanswerthequestion?Whenwillwehaveameeting?Whomaretheywaitingfor?由连接代词what,whom,whose,which,what及连接副词when,where,how,why引导的宾语从句由连接代词what,whom,whose,which,what及连接副词when,where,how,why引导的宾语从句whereheishowIcangettothestationwhythetrainislate4.Canyoutellme_______________.5.Couldyoutellme______________________.6.Wouldyoutellme_________________.Whereishe?HowcanIgettothestation?Whyisthetrainlate?（二）语序：陈述句语序即：陈述句结构（主+谓+其他成分）将下列句子换成陈述句语序1.Isthereabanknearhere?2.Aretheydoinghomework?（三）时态(时态一致性）1.如果主句的时态是一般现在时，宾语从句的时态根据具体情况来确定，可以是_________时态。Idon’tthink(that)youareright.Pleasetelluswherewe’llgofishingtomorrow.DoyouknowwhenMr.Smithmovedhere?任何Youareright.Wherewillwegofishingtomorrow?WhendidMr.Smithmovehere?2.如果主句的时态是一般过去时，宾语从句只能用相应的_________时态（一般过去时，过去进行时，过去将来时，过去完成时）。例如：Hetoldmethat.Hesaidthat过去Iamdoingmyhomework.IwillgobacktotheU.S.soon.hewasdoingmyhomeworkhewouldgobacktotheU.S.soon.3.如果宾语从句所陈述的是客观真理，即使主句用了过去时，从句仍用_______时态。例如：Theteachersaidthattheearthmovesaroundthesun.一般现在三、宾语从句与简单句的转换（一）当宾语从句的主语和主句的主语相同，且主句的谓语动词是hope,wish,decide,agree,choose等时，从句可简化为不定式结构。eg:IhopethatIcanreceiveyoure-mail.→Ihopetoreceiveyoure-mail(二）当宾语从句的主语和主句的主语相同，且主句的谓语动词是know,remember,forget,learn等时，从句可简化为“疑问词+不定式”结构。eg:(2)Shedoesn’tknowwhatsheshoulddonext.→Shedoesn’tknow________________.(三）当主句的谓语动词是ask,tell,show,teach等时，从句可简化为“疑问词+不定式”结构。eg:(3)WillyoupleaseshowmehowIcanworkitout?→Willyoupleaseshowme___________________.whattodonexthowtoworkitout(四）当直接引语为祈使句，变为间接引语时，用ask/tell/ordersb.(not)todosth...
