复数专题单元知识点总结

Unit2ThisismysisterenterReviewPerfectJob!Congratulations!

catone/atwocatsthreeclocsfourwatchesfivegirlssicomputerssevendogseightpencilsnineapplesWhatarewegoingtolearntoday复数sDiscussion:rules（规则）？Haveatry！

请说出下面单词的复数形式1、jeepbieapple2、boclasswatchdish3、babycountry4、tomatopotato5、nifeleafphotojeeps,bies,apples,pens,bags…boes,classes,buses,watches,fishesbaby—babies,country—countriestomatoes,potatoesnife—nives,leaf—leaves找到规律了吗？1一般直接在名词后面加“S”2以s,,ch,sh,ss结尾的单词，必须加上es3以辅音字母y结尾的单词，把Y变成i再加es4以辅音字母O结尾的单词，后加es（photo除外）结尾的单词。把f变v再加es你掌握了吗？请写出以下单词的复数形式：car，chair，river，ducwolf（狼）,leafwish愿望,bench,glass,dish菜肴）city,family，ato，hero，negroradio，photo，oo，piano你掌握了吗？请写出以下单词的复数形式：cars，chairs，rivers，ducswolves（狼）,leaveswishes愿望,benches,glasses,dishes菜肴）cities,families，atoes，heroes，negroesradios，photos，oos，pianoses四个特例黑人Negro,英雄hero,马铃薯ato口诀黑人英雄吃马铃薯和西红柿无规则变化名词复数womanmanchildtooth（牙齿）footgoose（鹅）ouse（老鼠）o（公牛）womenmenchildrenteethfeetgeesepeoplemiceoenDoyounow1单复同形如：

deer，sheeathematics，politics，physics,news等名词末尾有s，为不可数名词，是单数。

ThatisherorangeThoseareherorangesThatishisjacetThosearehisjacetsWhoisshe/heShe/HeismyWhoaretheyTheyare…sIfyouarethelittleboyiaoyu小雨,Thisisherorange->TheseareherorangesThatishisjacet->ThosearehisjacetsSheismysister->TheyaremysistersHeismycousin->TheyaremycousinsIamastudent->Wearestudents你可以得出什么规律？thesethosetheywethisthathesheitIyouyou代词的复数Iyouhe/she/itamareisweyoutheyarearearethese/thosearebe动词搭配this/thatis单数句型复数句型请将下列句子改为单数句Thebabyissleealisano公牛Theseanimalsareoen3ThechildhasgotawhitetoothThechildrenhavegotwhiteteeth4Thiscountryhasmanyanypeople5ThereisawatchintheparTherearewatchesintheparEercises8Iamlooingatthisgreenbench长凳Wearelooingatthesegreenbenches9Youaren´tathief小偷Youaren’tthieves10Mybasethasgotalightbrownleaf树叶Mybasetshavegotlightbrownleaves6Herdressisbrandnew全新的Herdressesarebrandnew7ShehasablactoothTheyhaveblacteethConclusionofUnit2概念区分指示代词thatthisthesethose人称代词Iyousheheitwethey陈述句单复数句型转换ThisisanumbrellaTheseareumbrellasThatisachildThosearechildren一般疑问句及肯定否定回答Isthis/thatyoursisterYes,itisNo,itisn’tArethese/thoseyourateYes,he/sheisNo,he/sheisn’tAretheymiddleschoolstudentsYes,theyareNo,theyaren’t特殊疑问句Whoishe/she/itHe/she/Itis……WhoaretheyTheyare……WhoareyouIam…eyymother’sbagMycousins’toys复数s结尾直