小学名词变复数.ppt

名词
名词：是指人或事物名称的词。
名词
专有名词 China
普通名词
个体名词 book
集体名词 family
物质名词 water
抽象名词 work
不可数名词
可数名词
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名词变复数
A book
This is a book.
This is a chinese book.
These are some books.
What’s this?
What are these?
It’s a book.
They are books.
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What’s this in English?
It’s an apple.
What are these?
They are two apples.
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--What are these?
--What’s this?
--It’s a pen.
--They are pens.
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--What are those?
--What’s that?
--It’s an English book.
--They are English books.
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bags
watches
oranges
pens
--What’re these ?
--They’re … .
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maps
cases
keys
--What’re those ?
--They’re … .
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This __________________.
These __________________.
is a tree
are two trees
are some trees
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名词变复数
1．一般在名词后面加上“s”:
book→books， bag→bags
2．以s, x, sh, ch，等结尾的词加“es”:
bus→buses， watch→watches
3．以辅音字母＋y结尾的词，变y为i加es，
baby→babies
以元音字母＋ y结尾的名词变复数时，直接加s变复数，boy →boys
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以o 结尾的名词变复数
(a）加s的名词
photo→photos ，piano→pianos， radio→radios， zoo→zoos
(b）水果、蔬菜、人这样的单词加es
potato→potatoes(土豆)
tomato→tomatoes（西红柿）
mango---mangoes (芒果)
Negro---negroes(黑人） hero---heroes（英雄）
黑人英雄喜欢吃土豆、西红柿和芒果。（简称两人两菜）
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