Unit 7 What super food! 课件(共35张PPT)

(共35张PPT)
Unit 7 What super food!
fork
forks
box
boxes
glass
glasses
dish
dishes
sandwich
sandwiches
knife
knives
strawberry
strawberries
cherry
cherries
food
可数名词的复数形式：
可数名词复数的构成有规则变化和不规则变化两种形式。
规则变化：
(1)一般在单词的结尾直接+s；
book----books
dog----dogs
清辅音结尾的单词+s读[s]
eye---eyes
浊辅音或元音结尾的单词+s读[z]
----------------------
(2)如果单词以 s, sh, x, ch等
结尾+es;读[ z]
bus ---- buses
brush ---- brushes
box ---- boxes
watch---- watches
总结
可数名词的复数形式：
可数名词复数的构成有规则变化和不规则变化两种形式。
规则变化：
----------------------
总结
(4)元音+y结尾加s ;读[z]
baby---babies
story----stories
辅音字母+y结尾，变y为i+es；读[ z]
day---days
(3)以o结尾有的加s;有的加es
读[z]
potato---potatoes
zoo---zoos
可数名词的复数形式：
可数名词复数的构成有规则变化和不规则变化两种形式。
规则变化：
----------------------
(5)以f或fe结尾有的直接加s;读[s]
knife----knives
总结
以f或fe结尾，变f或fe为ves；读[vz]
giraffes---giraffes
(6)不规则变化
(7)单复数同形
child---children
sheep---sheep
fish-fish
boy
s
es
ies
ves
practice:
party
s
es
ies
ves
lamb
s
es
ies
ves
watch
s
es
ies
ves
baby
s
es
ies
ves
knife
s
es
ies
ves
Here you are,Mum!
The boxes!
Here you are .
给你
What are
these
And glasses.
They're dishes.
What are these
这些是什么？
Oh! What
great food!
What great food！
多么美味的食物！
What are
these
They 're knives
and forks.
Here you are .
给你
Wow! Sausages!
These are
strawberries.
And cherries.
And tomatoes.
Oh, sand-
wiches!
But where are
the sausages
where 在哪里
What are these？
They’re +可数名词复数形式.
问这些是什么？
grammar
回答它们是：
What are these？
They’re horses.
What are these
They’re strawberries.
What are these
They’re knives.
What are these
They’re sandwiches.
What are these
They’re cherries.
Read together
boxes
cherry
dishes
knife
glass
forks
sandwiches
strawberry
tomatoes