单复数变化规则

发布时间:2017-09-23 23:51:31   来源:文档文库   
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一、 规则的可数名词的复数变化规则:

二、 1.一般情况加s : book-- books mouth---mouths house---houses girl---girls



2.s sh ch x结尾的加es : class--- classes box----boxes match----matches



3.辅音字母 + y结尾的变 y ies: city---cities country----countries party----parties factory----factories



4.o结尾的词 +es的只有以下词:heroesNegroes tomatoes potatoes zeroes/zeros

o结尾并且词尾有两个元音字母+s radios zoos bamboos (pianos photos)



5.f fe 结尾的 ffev +es :

thief wife life knife wolf half leaf shelf

eg. The thief’s wife killed three wolves with some leaves and knives in half of her life.



二、 不规则的可数名词的变化规则:

1.man-men, woman-women, tooth-teeth, foot-feet, goose-geese child-children, mouse-mice,



2.单复数相同: sheep, deer, Chinese, Japanese Swiss.



3.man, woman 修饰名词构成合成词,两个词都变化.

man servant-men servants. (boy/girl students

三、名词词尾的读音规则:

A. [ p] [t] [k] [f]清辅音后读[s] cups hats cakes roofs



B. [s] [z] [∫] [t∫]等音后读[iz] glasses, faces, roses.



C.在其他情况下读作[z] beds days cities knives.



D.th结尾的词原来读[s ] 加词尾后多数读[z ] : mouth-mouths path-paths ;

但是也有不变化的,如: month-months, ninth-ninths, youth-youths.

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