名词单数变复数专练课件

名词单数变复数What’sthisinEnglish?It’sanapple.Whatarethese?Theyaretwoapples.--Whatarethese?--What’sthis?--It’sapen.--Theyarepens.--Whatarethose?--What’sthat?--It’sanEnglishbook.--TheyareEnglishbooks.backpackswatchesorangespens--What’rethese?--They’re….mapscaseskeys--What’rethose?--They’re….单数复数可数名词如何变化？规则变化不规则变化规则变化Sumup:1.一般情况下,直接在名词词尾加-s.2.以s,x,sh,ch结尾的名词,在词尾加-es.3.以辅音字母加y结尾的名词，要变y为i再加-es.5.以f或fe结尾的名词，先将f或fe变为v,再加-es.6.以o结尾的名词,表示无生命事物的名词加-s,表示有生命事物的名词加-es。4.以“元音字母+y”结尾的名词，直接在词尾加-s.综合练习一wife-----key------glass---knife---boy-----eye-----watch--city------school-wiveskeysglassesbusesboyseyeswatchescitiesschoolsbox-----baby---family--brush--match-class----desk----hen------day------boxesbabiesfamiliesbrushesmatchesclassesdeskshensdays综合练习二familiesknivesbooksbedswolvesbusesshelveszoospotatoescitiesphotosleafpianoboxtomatobrushwatchbagcatradioboystrawberryleavespianosboxestomatoesbrusheswatchesbagscatsradiosboysstrawberriesfamilyknifebookbedwolfbusshelfzoopotatocityphoto不规则名词复数变化不规则名词复数变化一deer-------sheep-----foot-------tooth------goose----fish-------Chinese--Japanese-deersheepfeetteethgeesefishChineseJapanese不规则名词复数变化二man---------woman-----policeman-mouse-----child-------menwomenpolicemenmicechildren不规则名词复数变化三this-------that-------I-----------me--------you-------he/she/it/--him/her/it-am/is------thesethoseweusyoutheythemare综合练习三me-------Chinese-tooth----mouse--fish-----you-----she------watch-him----potato-shelf---child---woman-bag-----bus---box---photo-sheep-this---that---I-------usChineseteethmicefishyoutheywatchesthempotatoesshelveschildrenwomenbagsbusesboxesphotossheep-thesethosewe句子单数变复数1.Thisisabook.2.Thatisaneraser.3.Itisaredapple.4.Iamaboy.5.He/Sheisateacher.6.What’sthis?Thesearebooks.Thoseareerasers.Theyareredapples.Weareboys.Theyareteachers.What’rethese?复数句子变单数句子Thesearedictionaries.单数一般疑问句,并作肯定回答划线提问Thisisadictionary.Arethesedictionaries?Yes,theyare.Whatarethese?this–that–I–you–he/she/it–am/is–thesethoseweyoutheyare单数复数