九年级英语上册Unit 2 Colour 教学课件：Grammar

Unit2Grammar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)Ienjoyplayingbasketball.(动名词作宾语）Idecidetostudyhard.（不定式作宾语）Iknowhim.（代词作宾语）IknowMrLiteachesEnglish.(句子作宾语）Sheaskediftheanswerwasright.(句子作宾语）二、宾语从句三要素连接词时态语序连接词1.that引导2.whether/if引3.连接代词whowhomwhosewhatwhich4.连接副词whenwhywherehow。由从属连词that引导的宾语从句注：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.Ihear(that)_______________________.（一小时后他会回来）Hesaid(that)______________________.（他非常想念我们）Theteachertoldus(that)___________________________.（地球围着太阳转）

hewillbebackinanhour

hemissedusverymuch

theearthmovesaroundthesun注意：当从句是客观真理的时候，无论主句什么时态，从句一律用一般现在时宾语从句可用于主句动词之后，如：know,think,believe,hope,mean…还可用于从句形容词之后，如：certain,sure,glad…eg:Iamglad(that)_________________(你赢了这比赛).Heissure(that)_________________(他能通过考试）由从属连词that引导的宾语从句youwonthegame

hecanpasstheexam由从属连词whether,if引导的宾语从句e.g.1.Iwanttoknow__________________________________.（他是否跟我们一起去公园）2.Askhim_________________________________.（他是否能来）3.Idon’tknow___________________________.（是否要下雨）

if(whether)hewillgototheparkwithus

whether(if)hecancome

whetheritisgoingtorainornotShouldIchoosethereddress?(疑问句）

陈述句结构（主+谓+其他成分）---Ishouldchoosethereddress.

添加if/whether,改变人称Kittycannotdecide________________________Dowhiteclothessuitme?--Whiteclothessuitme.（陈述句式）Sandydoesnotknow____________________________由从属连词whether,if引导的宾语从句if/whethersheshouldchoosethereddress.if/whetherwhiteclothessuither.Isthesportsbagmadeofcotton?Amyisasking_________________________DoesthegreenT-shirtmatchmytrousers?Simonisnotsure_______________________ShouldIstayathomeinsteadofgoingshoppingwithmyclassmates?Danieloftenwonders______________________________________由从属连词whether,if引导的宾语从句if/whetherthesportsbadismadeofcottonif/whetherthegreenT-shirtmatchhistrousers.if/whetherheshouldstayathomeinsteadofgoingshopping…If与whether的区别Idon’tknow______hewillcomeornot.Idon’tcareof______heishandsome.Hewondered______tostayherethenextweek._______hewillcome