《名词单复数》PPT课件.ppt
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1、Welcome!,名词单数变复数,Whats this in English?,Its an apple.,What are these?,They are two apples.,-What are these?,-Whats this?,-Its a pen.,-They are pens.,-What are these?,-Whats this?,-Its a book.,-They are books.,backpacks,watches,oranges,pens,-Whatre these?-Theyre.,maps,cases,keys,-Whatre these?-Theyre
2、.,单数,复数,可数名词,如何变化?,规则变化,1.一般情况下,直接在词尾加-s构成复数形式。,tiger,panda,tigers,pandas,dog,dogs,1.,name,pen,pencil,ruler,names,pens,pencils,rulers,fox,2.以s,x,ch,sh等结尾的名词,在词尾加-es构成复数形式。,foxes,class,classes,watch,watches,brush,brushes,2.,bus,buses,foxes,dishes,3.以“辅音字母+y”结尾的名词,应改y为i,再加-es。,family,families,ladies,3
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