1、一般在词尾加s,如:Walkman—Walkmans boy—boys
2、以s、x、shforget、ch结尾的名词,加es 如:dress—dresses(连衣裙)、bus—buses、glass—glasses、box—boxes、fax—faxes、wish—wishes、watch—watches(手表)、peach—peaches
3、以辅音字母加y结尾,去y变i加es,如diary—diaries、family—families、study—studies(书房)、story—stories、hobby—hobbies、country—countries(国家)、butterfly—butterflies、firefly—fireflies(萤火虫)、city—cities(城市)
4、以o结尾的名词,有些在词尾加es,有的加s,如:mango—mangoes、photo—photos、zoo—zoos piano—pianos
5、以f、fe结尾的名词,去f、fe变v加es 如:knife—knives、scarf—scarves(围巾)、theif—thieves(小偷)、 leaf—leaves(叶子)、housewife—housewives(家庭主妇)
6、不规则变化 如child—children、foot—feet、tooth—teeth、people—people、 fish—fish、man—men、woman—women、policeman—policemen、policewoman—policemen、 snowman—snowmen
动词原形转化为动词的第三人单数形式的规则
1、一般在词尾加s,如:play—plays、stay—stays
2、以s、x、sh、ch、o结尾的名词,加es 如:dress—dresses(dress up装扮)、wash—washes(洗)、catch—catches、brush—brushes(刷)、touch—touches、watch—watches、teach—teaches、go—goes、do—does
3、以辅音字母加y结尾,去y变i加es,如try—tries(尝试)、cry—cries(哭)、study—studies(学习)、fly—flies、carry—carries(搬)、worry—worries(担心)
4、不规则变化 如have—has
动词原形转化为动词ing形式(动词的现在分词、动名词)规则:
1、一般在词尾加ing,如ski—skiing(滑雪)、jump—jumping、eat—eating、clean—cleaning
2、以不发音的e结尾,去e加ing 如make—making、skate—skating(溜冰)、take—taking、write—writing、cycle—cycling(骑自行车)
3、双写末字母加ing,如get—getting、run—running、swim—swimming、shop—shopping、sit—sitting、jog—jogging、put—putting、plan—planning(制定计划)、begin—beginning、forget—forgetting(忘记)、stop—stopping
动词原形转化为动词过去式规则:
1、一般在词尾加ed,如:talk—talked、water—watered
2、以不发音的e结尾,直接加d,如like—liked、taste—tasted、live—lived
3、以辅音字母加y结尾,去y变i加ed,如try—tried(尝试)、cry—cried(哭)、study—studied(学习)、carry—carried(搬)、worry—worried(担心)
4、双写末字母加ed,如stop—stopped
5、不规则变化
am\is—was、are—were、do—did、have—had、fly—flew、eat—ate、make—made、go—went、sing—sang、take—took、come—came、see—saw、 sit—sat、give—gave、 buy—bought、get—got、forget—forgot、meet—met、tell—told、run—ran、 begin—began、run—ran、read—read、put—put、say—said
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