可数名词单数变复数专项练习
一、变化规则
1、一般情况下直接在词尾加s例：bookbooksappleapples

ame_________
frie
d_________
girl__________
classmate_________stude
t__________2、以sxshch结尾的单词，加es例：busbusesboxboxesfishfishes
teacher_________
classfoxbeachwatch
lady______baby______
3、以f或fe结尾的单词，把f或fe变成v加es
例：leafleaves
k
ife________刀wife
（妻子）
4、以辅音字母加y结尾的单词，把y变i加es
例：flyflies
factory_______library_______baby_____【速记口诀】
单数变复数，规则要记住，一般加s，特殊有几处：s结尾，es不离后，末尾字母o，大多加s，两人有两菜，es不离口，词尾f、fe，s前有v和e；没有规则词，必须单独记。【妙语诠释】
①大部分单数可数名词变为复数要加s，也就是单词如果以ch，sh，s，x等结尾，则一般加es；②以o结尾的单词除了两人（
egro，hero）两菜（tomato，potato）加es外，其余一般加s；③以f或fe结尾的单词一般是把f，fe变为ve再加s；④英语中还有些单词没有规则，需要特殊记忆，如
childchildre
，mousemice，deerdeer，sheepsheep，Chi
eseChi
ese，ma
me
，woma
wome
，footfeet，toothteeth。二、将下列的名词变成复数形式。
1book
___________2pe

___________3ruler
_________
4house
___________5ora
ge___________6eraser
_________
7class
___________8box
___________9blackboard_________
10watch___________11bus
___________12classroom_________
13city
___________14factory___________15crayo

_________
16cou
try___________17family___________18playgrou
d_________
19hero
___________20potato___________21thi
g
_________
22tomato___________23photo___________24foot
_________
25pia
o
___________26k
ife
___________27fish
_________
28leaf
___________29life
___________30sheep
_________
31foot
___________32tooth
___________33bed
_________
34ma

___________35woma
___________36child
_________
37toy
___________
三．请写出下列短语。
38mouse___________
39pe
cil
_________
1五只橡皮擦_________________2十个教室________________3两个铅笔盒_________________4六只钢笔________________5七支铅笔__________________6三个图书馆_______________
f7九支蜡笔__________________8四只尺子_____________________9八个操场__________________10五个实验室__________________四．用所给的单词的复数的正确形式填空：
1Toma
dKi
gare_____boy
2Therearethree______chairi
theclassroom
3These_______tomatoarered
4______heroaregreat
5Mybrotherlooksaftertwo______baby
6Tr