小学英语比较级完整ppt课件

形容词最高级句式的结构：
主语 + be + the + 最高级 + of / in…..
.
9
young
cheap
￥30
tall
Tom
￥20
.
Li Lei
￥10 Jim
10
pumpkin 南瓜
Why does Lucy want to buy a pumpkin?
Lucy
.
11
Jim is strong.
thinner bigger hotter redder
以“辅音字母+- angry y”结尾的，先把 easy y变成i，再加-er .busy
angrier easier busier 4
形容词的比较级。
1.单音节词在词尾加-er构成比较级
原级
比较级
bright
brighter
young
younger
.
2
.
3
形容词/副词比较级变化规则
构成方法
原级
比较级
单音节 和少数 双音节 单词
一般在词 tall
尾加-er
long old
以字母e结尾， large
直接加-r
nice
taller longer older
larger nicer
以重读闭音节结 thin
尾的，如末尾只 big 有一个辅音字母，hot 应再先加双-er写该字母，red
long
Байду номын сангаас
longer
.
5
bigger big
biggest
The dog is bigger than the mouse. The horse is the biggest of all.
young
younger
youngest
The boy is younger than the man.
The baby is the youngest o. f the three.
A + be + 比较级 + than +B
.
8
The horse is the biggest of all. The baby is the youngest of the three. The brown coat is the cheapest. Jim is the tallest in our class.
（彩色车最. 好看）
13
7
The dog is bigger than the mouse The boy is younger than the man. Li Lei is taller than Tom. The yellow coat is cheaper than the purple one.
形容词比较级句式的结构：
.
1
big bigger biggest tall taller tallest nice nicer nicest good better best
long longer longest easy easier easiest
young younger youngesthot hotter hottest
6
Li Lei
Jim
Tom
Li Lei is taller than Tom. Jim is the tallest of all.
￥30
￥20
￥10
The yellow coat is cheaper than the purple one.
The brown coat is the che.apest of the three.
Li Lei is stronger.
Tom is the strongest .
.
12
The blue car is nice.
The red car is nicer than the blue car.(红车比蓝车好看）
The colour car is the nicest of all.