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1、名詞單數(shù)變復(fù)數(shù)口訣,(一)規(guī)則變化名詞單數(shù)變復(fù)數(shù)，直接加 -s 占多數(shù)；book-books; pen-pens; apple-appless, x, z, ch, sh 來結(jié)尾，直接加上 -es；dress-dresses; box-boxes; buzz-buzzes; watch-watches; brush-brushes 詞尾是 f 或 fe，加 -s 之前先變 ve；一個(gè)”狼”的”妻子”,拿著”半”片”樹葉”和”架子”上的一把”刀”,要了那個(gè)”賊”的”命”wolf,wife,half,leaf,shelf,knife,thief.life,輔音 + y 在詞尾，把 y 變 i 再加

2、 -es；study-studies; baby-babies; city-cities元音+y在詞尾, 只加s就足夠boy boys ; day days; monkey monkeys詞尾字母若是 o，常用三個(gè)已足夠， 要加 -es 請記好，hero, tomato, potato。美國黑人和英雄愛吃土豆和西紅柿。negro-negroes; hero-heroes; potato-potatoes; tomato-tomatoes其余o結(jié)尾的詞加s, photo-photos; piano-pianos,(二) 不規(guī)則變化男人女人 a 變 e，鵝足牙 oo 變 ee；man-men; w

3、oman-women; goose-geese; foot-feet; tooth-teeth老鼠虱子也好記，ous 變 ic；mouse-mice; louse-lice孩子加上 ren，魚鹿綿羊不用變child-children; fish; deer; sheepthis-these(這些) that - those(那些),Exercises,寫出下列名詞復(fù)數(shù)leaf_ box_ knife_ fly_ fox_ bus_ bench_ brush_ kiss_ church_ dish_ ruler_ glass_ pencil_ boy_ zoo_ man_ sheep_ knif

4、e_ lady_ key_ strawberry_ watch_ bamboo_ city_ family_ day_ apple_ eraser_ speech_ thief_ mouse_ fish_ goose_ deer _ foot_ child_ tooth_ hero_ boss_ monkey_ city _ goat _ radio _ horse _ dog _,Exercises,寫出下列名詞復(fù)數(shù)leaf_ leaves box-boxes knife-knives flyflies fox-foxes bus-buses bench-benches brush-brus

5、hes dish-dishes rulerrulers glass-glasses pencil-pencils boy-boys zoo-zoos knife-knives ladyladies keykeys city-cities strawberrystrawberries watchwatches bamboo bamboos familyfamilies day-days,Exercices,Appleapples eraser -erasers Speech- speeches thief_ thieves boss -bosses monkey monkeysCity- cities goat -goats radio- radios horse- horses dog- dogs Manmen sheep_ sheep mouse-mice fish_ fish goose-geese deer -deer footfeet child-childrenToothteeth hero -heroes,