Unit2语法专项不定代词课件外研版英语七年级下册

教学课件外研英语七年级下册

Unit2语法专项——不定代词（Indefinitepronouns）

全解精讲+分层练习学习目标掌握all、both、either、neither、none的定义与指代范围区分五组不定代词的核心用法及主谓一致规则能在单选、填空、造句中正确运用不定代词结合语境判断并选择合适的不定代词完成句式什么是不定代词不定代词是指代不特定的人或事物的代词本单元核心不定代词：all、both、either、neither、none可在句中作主语、宾语、定语等成分核心考点：指代范围、主谓一致、语境搭配学习重点：区分易混代词的用法差异核心不定代词-指代范围分类不定代词指代范围核心含义all三者及以上全部、所有both两者都either两者任意一个neither两者都不none三者及以上都不all的核心用法指代三者/三者以上的人或事物作主语时主谓一致看指代对象指代可数名词复数，谓语用复数指代不可数名词，谓语用单数常用搭配：allof+the+名词

例句：Allofthebooksarenew.both的核心用法专属指代两者，表“都”作主语时谓语动词一定用复数常用搭配：bothof+the+名词/代词宾格例句：Bothofthemaremyclassmates.either的核心用法指代两者，表“任意一个”，二选一作主语时谓语动词一定用单数常用搭配：eitherof+the+名词；either...or...例句：Eitherofthepensismine.neither的核心用法指代两者，表“都不”，否定两者作主语时谓语动词一定用单数常用搭配：neitherof+the+名词；neither...nor...例句：Neitheroftheanswersisright.none的核心用法指代三者/三者以上，表“都不”，否定三者及以上作主语时谓语动词可单可复，日常常用单数常用搭配：noneof+the+名词/代词例句：Noneofthewaterisleft.易混对比-bothvsall均表肯定，“都”，作主语表复数概念用复数谓语核心区别为指代范围both仅限两者，如parents、twinsall仅限三者及以上，如students、books例句对比：Bothofmysistersaretall./Allofmyfriendsaretall.易混对比-neithervsnone均表否定，“都不”核心区别为指代范围neither仅限两者，否定二选一none仅限三者及以上，否定多个例句对比：Neitherpenworks./Noneofthepenswork.易混对比-eithervsneither均指代两者，仅针对两个对象语气一肯一否either表肯定，“任意一个”neither表否定，“两个都不”两者作主语，谓语均用单数重点搭配-either...or...意为“或者……或者……；要么……要么……”连接两个并列的人、物或句子成分主谓一致遵循就近原则，谓语随靠近的主语变化例句：Eitheryouorhegoestotheshop.重点搭配-neither...nor...意为“既不……也不……”连接两个并列的人、物或句子成分，表双重否定主谓一致遵循就近原则，谓语随靠近的主语变化例句：NeitherInorshelikesdancing.主谓一致核心规则两者肯定用both，谓语永远是复数两者一肯一否either/neither，谓语一律用单数三者肯定用all，复名用复不可单三者否定用none，单复谓语都可行语境判断小技巧先看指代数量，两者/三者及以上，缩小选择范围再看语气，肯定/否定，确定最终代词最后检查主谓一致，验证答案是否正确注意题干中的关键词：two/three/both/all/none等专项练习Ⅰ-单项选择

1.—DoyoulikemathorEnglish?—______isOK.Ilikebothsubjects.A.BothB.EitherC.NeitherD.None2.______ofthetwobrothersisadoctor.Theyarebothteachers.A.BothB.EitherC.NeitherD.All3.—Howmanyofyoucanplaychess?—______.Weallcanplayitwell.A.BothB.EitherC.NeitherD.AllBCD专项练习Ⅰ-单项选择

4.Therearethreeparksinourcity,but______isopenatnight.A.bothB.eitherC.neitherD.none5.Myparents______likecooking.Theyoftenmakefoodforme.A.bothB.eitherC.neitherD.none6.______oftheanswersiswrong.Youcantakeanyofthem.A.BothB.EitherC.NeitherD.AllDAC专项练习Ⅱ-用所给词填空（all/both/either/neither/none）1.Ihavetworulers.________ofthemareyellow.2.Therearefourshopshere,but________ofthemisopenonMonday.3._________you______yourbrothercangotothecinema.Ihaveoneticket.4._________ofthetwinslikessinging.Theybothlikedancing.5.—Doyouwanttogoshoppingorgohiking?

—_________.Iwanttostayathomeandrest.BothnoneEitherorNeitherNeither专项练习Ⅱ-用所给词填空（all/both/either/neither/none）6.______ofthechildrenintheparkareplayinggames.7.Youcantake______theredpen______theblueone.Ihaveanotherone.8._________ofthethreegirlscanrideabike.Theyallcan’trideit.9.Mygrandparents_________likewatchingTV.Theypreferlisteningtotheradio.10._________ofthewaterinthebottleisclean.Wecandrinkit.AlleitherorNoneneitherAll专项练习Ⅲ-句型转换（按要求改写）1.Bothofmyparentsareworkers.（改为否定句）______ofmyparents______aworker.2.Allofthestudentsareintheclassroom.（改为否定句）______ofthestudents______intheclassroom.3.EitheryouorIgotothelibrary.（改为就近原则单数形式）EitheryouorI______tothelibrary.NeitherisNonearegoes专项练习Ⅲ-句型转换（按要求改写）4.Neitherhenorshelikesswimming.（改为肯定句，两者都）______he______she______swimming.5.Noneofthebooksisnew.（改为肯定句）______ofthebooks______new.6.BothTomandJimlikeplayingfootball.（改为二选一）______Tom______Jimlikesplayingfootball.BothandlikeAllareEitheror专项练习Ⅳ-完成句子（汉译英）1.这两个女孩都不喜欢画画。_________ofthetwogirls_________drawing.2.所有的老师都在办公室里。______oftheteachers______intheoffice.3.你可以选择这两本字典中的任意一本。Youcanchoose_________ofthetwodictionaries.NeitherlikesAllareeither专项练习Ⅳ-完成句子（汉译英）4.他们三个人都不知道这个消息。_________ofthethreepeople_________thenews.5.这两个建议都很好。_________ofthesuggestions_________verygood.6.你可以吃香蕉或者橙子。Youcaneat_________thebanana_________theorange.NoneknowsBothareeitheror7.五杯水里都没有水了。_________ofthefivecups_________anywater.8.他们俩都擅长弹吉他。_________ofthem_________goodatplayingtheguitar.9.这两个问题都不容易。_________ofthequestions_________easy.10.所有的水果都很新鲜。_________ofthefruit_________veryfresh.NonehasBothareNeitherisAllis专项练习Ⅴ-改错（找出错误并改正）Bothoftheboyisastudent.→Neitheroftheanswersareright.→Allofthemilkareonthetable.→Noneofthestudentsishere.（改复数谓语）→Eitheryouormegoestoschool.→boy→boysare→isare→isis→areme→I语法小测-综合填空

Hello,everyone!Ihavetwofriends,LucyandLily.______(both/neither)ofthemareinGradeSeven.______(either/neither)ofthemlikesmath,buttheybothlikeEnglish.Therearethreebooksonmydesk,but______(none/neither)ofthemisthei