名词单数变复数 ppt课件.ppt
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1、名词单数变复数,B: A-P-P-L-E, apple.,A: Is that an apple,too?,A: Whats this in English?,A: How do you spell it?,B: Its an apple.,B: No, it isnt . Its an orange.,Whats this?,Its an apple.,What are these?,They are apples.,-What are those?,-Whats that?,-Its a book.,-They are books.,近指人或物,远指人或物,this 这,these 这些,
2、that 那,those 那些,books,oranges,pens,-Whatre these ?-Theyre .,boxes,-Whatre those ?-Theyre .,watches,buses,1.一般情况下,直接在词尾加-s构成名词复数形式。,book,orange,books,oranges,pen,pens,练习一,dog-duck-chair-table- band-tree-,dogs,chairs,ducks,tables,bands,trees,watch,2. 以s, x, sh, ch等结尾的名词, 在词尾加-es构成复数形式。,watches,bus,bus
3、es,box,boxes,练习二,glass- box-brush-match-bus-watch-,glasses,matches,buses,watches,boxes,brushes,3. 以“辅音字母+y”结尾的名词,应改y为i,再加-es。,family,families,candies,4. 以“元音字母+y”结尾的名词,直接在词尾加-s构成复数形式 。,boy,boys,day,days,练习三,city-day -boy -family -key-baby -,cities,days,boys,families,keys,babies,综合练习,key-glass - bus
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