teacher是名词

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teacher是名词，名词单复数变换，可数名词有单数和复数两种形式,不可数名词没有复数变化.



①．一般规则：A．直接加“s”； B．以“s”、“X”、“ch”、“sh”

结尾加“es”；

C．以辅音字母加“y”结尾，把“y”变“i”加“es”﹙roof→roofs除外﹚；

D．以“o”结尾，有生命的加“es”，无生命的加“s” E．以f﹙e﹚结尾，把“f﹙e﹚”变为“ves”

②．特殊情况

A．单复数不一致：child---children man---men

woman---women mouse---mice tooth---teeth foot---feet B．单复数一致：Chinese Chinese Japanese Japanese deer deer sheepsheep fish---fish

C．只有复数形式：people trousers clothes glasses﹙眼镜﹚

The deer has four ______.

A. foot B. feet C. feets D. foots

Her two brothers are both ______.

A. policeman B. policemans C. policemen D. policemens The _____ has two ______.

A. boys, watches B. boy, watch C. boy, watches D. boys, watch


There are lots of _____ in the basket on the table.

A. tomatos B. tomato C. tomatoes D. tomatoss The cat caught two ______ last night.

A. mouses B. mice C. mouse D. mices

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