中考英语知识点:可数名词的复数变化规则
1.可数名词复数形式的规则变化。
(1)一般情况下在末尾直接加s。如:map—maps,bag—bags
(2)以s,x,,sh,ch结尾的名词,在末尾加es。如:bus—buses,box—boxes,dish—dishes,watch—watches
(3)以辅音字母加y结尾的名词,变y为i,再加es。如:family—families,fly—flies
【注】以元音字母加y结尾的名词,y不变,直接在末尾加s。如:boy—boys,monkey—monkeys
(4)以o结尾的名词,变复数时,一般情况下在末尾加s。如:photo—photos,piano—pianos,zoo—zoos
【注】小学阶段有两个以o结尾的名词,变复数时,要在末尾加es。它们是:potato—potatoes,tomato—tomatoes
(5)以f,fe结尾的名词,变f,fe为ves。如:half—halves,knife—knives,leaf—leaves,wolf—wolves
2.可数名词复数形式的不规则变化。
(1)单复数同形。如:deer—deer,sheep—sheep,fish—fish
(2)oo变为ee。如:foot—feet,tooth—teeth,goose—geese
【注】book,school等词变复数时,直接在末尾加s。如:book—books,school—schools
(3)a变为e。如:man—men,woman—women
【注】由man,woman构成的复合词,也要如此变化。如:amandoctor—sixmendoctors,awomanteacher—ninewomenteachers
(4)加词尾变复数。如:child—children,ox—oxen
(5)特殊变化。如:mouse—mice
(6)表示国家、国民的名词变复数时,其变化规则有如下窍门:
中日不变英法变,有man,woman的变men,women(German除外),其余后面加s。如:
Chinese—ChineseJapanese—Japanese
Englishman—EnglishmenEnglishwoman—Englishwomen
Frenchman—FrenchmenFrenchwoman—Frenchwomen
American—AmericansGerman—Germans