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时间:2020-04-01
《英语语法复习if宾语从句和条件状语从句课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Grammarif从句Revision巧计、速记语法1:正确使用that,if/whether(是否),who,why等疑问词引导的宾语从句。语法2:if(如果)引导的条件状语从句主祈从现主将从现从主有逗主从无逗宾语从句❀什么是宾语从句?在复合句中做宾语成分的句子叫宾语从句。❀宾语从句的分类、引导词和语序原句式引导词从句语序陈述句一般疑问句特殊疑问句that不变whether/if改为陈述句语序特殊疑问词改为陈述句语序❀宾语从句的时态主句从句一般现在时保留原来句子的时态或根据实际情况而定一般过去时一般现在时→一般过去时现
2、在进行时→过去进行时一般将来时→过去将来时现在完成时→过去完成时任一时态若表客观事实、普遍真理及自然现象用一般现在时由从属连词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)he
3、willbebackinanhourhemissedusverymuchtheearthmovesaroundthesun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
4、下雨)if(whether)hewillgototheparkwithuswhether(if)hecancomewhetheritisgoingtorainornot当句末为ornot时,引导词只能用whether而不能用if.If与whether的区别Idon’tknow_____hewillcomeornot.Idon’tcareof______heishandsome.Hewondered______tostayherethenextweek.____hewillcomeisnotdecided.与ornot连用
5、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whenwe’llhaveameetingwhereheishowIcangettothestationwhythetrainislatewhocouldanswerthequestionwhosehandwritingwasthebestintheclass1.Heasked_______
6、___________________.(谁能回答这个问题)2.Doyouknow_________________________.(他们在等谁)3.Heasked__________________________________.(谁的书法是班上最好的)4.Pleasetellme_______________________.(我们什么时候开会)5.Canyoutellme_______________.(他在哪儿)6.Couldyoutellme______________________.(我该怎么去车站)7
7、.Wouldyoutellme_________________(为什么火车迟到了)whomtheyarewaitingfor把下列句子连成带宾从的复合句:1.Yousuckedyourfingeragain.(Ihear….)2.Theywillgoshoppingtomorrow.(Hetoldme…).3.Whosebikeisthis?(Doesanyoneknow…)4.Whowentfishingyesterday?(Heasked…)Ihearthatyousuckedyourfingeragain.Doe
8、sanyoneknowwhosebikethisis?Hetoldmethattheywouldgoshoppingtomorrow.Heaskedwhowentfishingyesterday.5.Howoldishe?(Shedoesn’tknow…)6.HashereturnedtoAmerica?(Iwant
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