初二 名词单数变复数专练

.
fe结尾的名词，先将f或 fe变为v,再加-es.
6.以o结尾的名词,表示无生命事物的名词加-s,
表示有生命事物的名词加-es。
给下列可数名词加复数．
bird-- birds card-- cards lady-- ladies orange--oranges ruler-- rulers photo-- photos friend-- friends boy-- boys watch-- watches girl-- girls case-- cases cat-- cats wife-- wives tree-- trees key-- keys bed-- beds hero--heroes family- families dictionary-- dictionaries question-- questions leaf-- leaves party-- parties cup-- cups
5. He / She is a teacher. They are teachers. 6. What’s this ? What’re these ?
复数句子变单数句子 dictionaries. These are dictionaries. 单数
This is a dictionary.
一般疑问句, 一般疑问句,并作肯定回答 Are these dictionaries ? Yes, they are. 划线提问
巧记：
“小偷”(thief)的“妻 子”(wife)用“刀子”(knife) 和“树叶”(leaf) 把“狼”(wolf)劈成两
6. 以o结尾的名词，有的加-s, 有 的加-es构成复数形式。
photo zoo) (动物园) (
photos zoos tomato tomatoes (西红柿) hero (英雄) heroes
What are these ?
--What’s that? --It’s an English book.
--What are those? --They are English books.
backpacks watches
oranges pens
--What’re these ? --They’re … .
--What’re those ? --They’re … .
maps
cases
keys
单数
如 何 变
规则变化
化
可数名词
？
不规则变化
复数
1. 1.一般情况下，直接在词尾加-s 构成复数形式。
car
cars
backpack backpacks book books
name pen card ruler
names pens cards rulers
2. 以s, x, ch, sh等结尾的名词， 在词尾加-es构成复数形式。
knife half
knives halves
“小偷”(thief)的“妻子”(wife)用“刀子”(knife) 和 “树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。
wife
(妻子)
wives leaves wolves roБайду номын сангаасfs
leaf
(树叶)
wolf
(狼)
roof
(屋顶)
class s box x watch ch brush sh
classes boxes watches brushes
bus fox
(狐狸)
buses foxes dishes
dish (盘子)
3. 以“辅音字母+y”结尾的名词， 应改y为i，再加-es。
family families ly comedy dy
制作人： 制作人：刘敏
名词单数变复数 名词单数变 单数
What’s this in English?
It’s an apple.
What are these?
They are two apples.
--What’s this? --It’s a pen.
--What are these? --They are pens.
以o结尾的名词, 表示无生命事物的名词，词尾加-s, 表示有生命事物的名词，词尾加-es。
加-es的名词有: potato, tomato, hero 巧记:
英雄爱吃 土豆炖西红柿。
• Sum up:
1.一般情况下,直接在名词词尾加-s. 2.以s,x,sh,ch结尾的名词,在词尾加-es. 3.以辅音字母加y结尾的名词，要变y为i再加-es. 4.以“元音字母+y”结尾的名词，直接在词尾加-s +y” -s 5.以f或
(喜剧)
comedies
4. 以“元音字母+y”结尾的名词， 直接在词尾加-s构成复数形式 。
boy oy oy day ay
boys days
city
(城市)
cities strawberries keys
strawberry
(草莓)
key
5. 以f或fe结尾的名词，先将f或fe 变成v，再加-es构成复数形式。
单数
this that I you he / she / it am / is – – – – – –
复数
these those we you they are
句子单数变复数 1. This is a book. 2. That is an eraser. 3. It is a red apple. 4. I am a boy. These are books. Those are erasers. They are red apples. We are boys.