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个性化教学设计学案授课时间:2019年月日备课时间:2019年月日年级:学科:英语课时:2学生姓名:课题名称一般过去时态的句子结构转换授课教师:教学目标熟练掌握否定句与疑问句的变换规则教学重点教学难点1.否定句和一般疑问句的转换;2.特殊疑问句的转换设计意图通过句式结构转换的学习,强化句子结构的理解,提高语言运用能力。教学过程句式结构转换1.对于有be动词的主系表结构,变否定句通常在be动词后加not即可;变一般疑问句通常将be动词提前至句首,即主语前面即可。句型如下:肯定句:S(主语)+be(系动词)+P(表语)+其他否定句:S(主语)+be(系动词)+not+P(表语)+其他一般疑问句:Be(系动词)+S(主语)+O(表语)+其他+?肯定回答:Yes,+S+be.否定回答:No,+S+be+not。E.g.:肯定句:Shewasabeautifulyounglady.否定句:Shewasn’tabeautifulyounglady.一般疑问句:Wassheabeautifulyounglady?
1回答:Yes,shewas./No,shewasn’t.2.对于含情态动词的句子,变否定句通常在情态动词后加not即可;变一般疑问句通常将情态动词提前至句首,即主语前面即可。句型如下:肯定句:S(主语)+情态动词+V原形(谓语)+O(宾语).否定句:S(主语)+情态动词+not+V原形(谓语)+O(宾语).一般疑问句:情态动词+S(主语)+V原形(谓语)+O(宾语).肯定回答:Yes,+S+情态动词.否定回答:No,+S+情态动词+not。E.g.:肯定句:Hecouldplaytheviolinverywell.否定句:Hecouldn’tplaytheviolinverywell.一般疑问句:Couldheplaytheviolinverywell?回答:Yes,hecould./No,hecouldn’t.3.对于实意动词作谓语的句子,变否定句通常在主语后谓语动词前加否定助动词didn’t;变一般疑问句通常在句首,即主语前面加疑问助动词Did。同时,助动词后面的动词要用原形。句型如下:肯定句:S(主语)+V(谓语)+O(宾语)否定句:S(主语)+didn’t+V原形(谓语)+O(宾语)一般疑问句:助动词(Did)+S+V原形+O(宾语)?肯定回答:Yes,+S+助动词.否定回答:No,+S+didn’t.E.g.:肯定句:Heboughtanewcomputeryesterday.否定句:Hedidn’tbuyanewcomputeryesterday.
2一般疑问句:Didhebuyanewcomputeryesterday?回答:Yes,hedid./No,hedidn’t.4.特殊疑问句的转换规则:特殊疑问句即是对划线部分提问,在结构转换不熟练的情况下,通常按照如下顺序进行可确保答案的正确性。Step1:根据实际提问的对象将划线部分转换为相应的特殊疑问词。Step2:将句子变为一般疑问句。Step3:将特殊疑问词提前。E.g.1:Shewasbornin2010.Step1:Shewasbornwhen.Step2:Wasshebornwhen?Step3:Whenwassheborn?E.g.2:Shecouldfigureoutthemathproblem.Step1:Shecouldfigureoutwhat.Step2:Couldshecouldfigureoutwhat?Step3:Whatcouldshecouldfigureout?E.g.3:Heusuallygotupat6:00lastyear.Step1:Heusuallygotupwhenlastyear.Step2:Didheusuallygotupwhenlastyear?Step3:Whendidheusuallygotuplastyear?E.g.4:Hehadapieceofbreadforbreakfast.Step1:Hehadwhatforbreakfast.
3Step2:Didhehavewhatforbreakfast?Step3:Whatdidhehaveforbreakfast?需要注意的是,如果对动词或动宾短语划线提问,第一步转换中需要将划线部分转换为dowhat.E.g.1:Hewantedtobuyabook.Step1:Hewantedtodowhat.Step2:Didhewantstodowhat?Step3:Whatdidhewantstodo?E.g.2:Sheneededtogojustnow.Step1:Sheneededtodowhatjustnow.Step2:Didsheneededtodowhatjustnow?Step3:Whatdidsheneededtodojustnow?同步练习一、按照要求改句子1.Sheoftenplayedbasketballafterschool.否定句:____________________________________________一般疑问句:____________________________________________回答(肯定和否定):____________________________________________划线部分提问:____________________________________________2.Shewasabeautifulgirlthen.否定句:____________________________________________一般疑问句:____________________________________________回答(肯定和否定):____________________________________________3.Tom’ssisterknewthesecret.
4否定句:____________________________________________一般疑问句:____________________________________________回答(肯定和否定):____________________________________________划线部分提问:____________________________________________4.Shelivedinasmalltowntwoyearsago.否定句:____________________________________________一般疑问句:____________________________________________回答(肯定和否定):____________________________________________划线部分提问:____________________________________________5.Thatrobotcouldsolvedifferenttypesoflogicalproblem.否定句:____________________________________________一般疑问句:____________________________________________回答(肯定和否定):____________________________________________特殊疑问句:____________________________________________6.Wehadfourlessonsinthemorningyesterday.否定句:____________________________________________一般疑问句:____________________________________________回答(肯定和否定):____________________________________________划线部分提问:____________________________________________7.Nancywonthefirst.否定句:____________________________________________一般疑问句:____________________________________________回答(肯定和否定):____________________________________________划线部分提问:____________________________________________
58.Danielgrewsomevegetablesinhisvegetablegardenthedaybeforeyesterday.否定句:____________________________________________一般疑问句:____________________________________________回答(肯定和否定):____________________________________________特殊疑问句:____________________________________________9.Ididmyhomeworkanhourago.否定句:____________________________________________一般疑问句:____________________________________________回答(肯定和否定):____________________________________________特殊疑问句:____________________________________________10.Shecameherebybus.否定句:____________________________________________一般疑问句:____________________________________________回答(肯定和否定):____________________________________________划线部分提问:____________________________________________11.HewenttoBeijingforfurtherstudy.否定句:__________________________________________一般疑问句:_______________________________________肯定回答:______________否定回答:__________________对划线部分提问:___________________________________12.Therewereaboutninehundredpeopleattheconcert.(音乐会)否定句:__________________________________________一般疑问句:_______________________________________肯定回答:______________否定回答:__________________
6对划线部分提问:___________________________________13.Hefinishedthetask(任务)betterwiththehelpofhisteacher.否定句:__________________________________________一般疑问句:_______________________________________肯定回答:______________否定回答:__________________对划线部分提问:___________________________________14.Anngrewsomevegetablesinthegarden.否定句:__________________________________________一般疑问句:_______________________________________肯定回答:______________否定回答:__________________对划线部分提问:___________________________________15.Thechildrenhadagoodtimeinthepark.否定句:__________________________________________一般疑问句:______________________________________肯定回答:______________否定回答:__________________对划线部分提问:___________________________________16.Mybrotherwasintheparkjustnow.否定句:__________________________________________一般疑问句:_______________________________________肯定回答:______________否定回答:__________________对划线部分提问:___________________________________17.Shehadsomebreadforlunchtoday.否定句:__________________________________________一般疑问句:_______________________________________
7肯定回答:______________否定回答:__________________对划线部分提问:___________________________________18.Theywenttotheairportbybus.否定句:__________________________________________一般疑问句:_______________________________________肯定回答:______________否定回答:______________对划线部分提问:___________________________________19.SuHaitooksomephotosatthesportsmeeting.否定句:________________________________________________一般疑问句:____________________________________________肯、否定回答:__________________________________________对划线部分提问:___________________________________10.Maiseiwentbackhomeearlytoday.否定句:________________________________________________一般疑问句:____________________________________________肯、否定回答:__________________________________________对划线部分提问:___________________________________二、按要求进行句型转换:1.Theairwascleanandfreshinoldtimes.(变为一般疑问句)_______________________________________2.Xuanxuanwas2yearsoldlastyear.(变为否定句)_______________________________________3.LiPingcouldjumplikeamonkey.(变为特殊疑问句)_______________________________________
84.Theboysvisitedthehistorymuseumlastmonth.(变为特殊疑问句)_____________________________________________________________5.Theoldmanhadapoorsleep.(变为否定句和一般疑问句)__________________________________________________________________________________________________________________________小结