形容词比较级
一：定义形容词有原级、比较级和最高级。原级用于描述；比较级是同一范畴内的人或事物相比，一方比一方更……；最高级是三者或三者以上以及一定范围内的描述二：句子构成：
主语+ be ( am is are ) + 形容词的比较级
+than+ 比较对象。
(注意造句或订错时按照句子构成形式来逐一检查你的句子是否正确。 ) 三：形容词的变化
1 直接+ er
Small--small er long tall short old young
strong quiet loud strict kind smart sweet
sour fresh clean cold cool warm fast
2 以e 结尾。直接+ r
Nice--nice r large
3 双写末尾字母再加er
Big —bi gger fat hot sad thin
4 辅音字母+Y 结尾，先把y 变i 再加er
Funny—funn ier heavy happy tasty
salty windy snowy easy hungry angry thirsty
dirty sunny
5 特殊变化
Much( many) - more—most
good --- better —best
bad —worse ---worst little —less ---least far --- farther (further)
6 多音节前面加more
beautiful --- more beautiful beautiful
most excited --- more excited —most excited
四使用中的问题：1:The tree is tall .
（描述性的没有上下文，也没有比较对象的时候直接用原级，不用比较级。）
The tree is taller than that one .（有比较对象, 两者相比的时候用比较级。）
The tree is the tallest in the park （描
述性的在一定范围内不是两者相比时用最
高级。)
2: How heavy are you
I am 48 kilograms .
How tall are you
I am metres (meters)
How old are you
I am 12 years old .
3 My shoes are bigger than yours .(
shoes )
4 He is stronger than me .( 宾格)
5 When the sun gets down, the shadow
getting (longer and longer .)
5 改错：
1 The dogs are thin than the cats.
The dogs are thinner than the cats .
2 He has longer hair .
He has long hair.
3 The monkeys is clever than giraffes .
The monkeys are clever than your
is
the the
giraffes .
4 The elephants are heavy than the horses. The elephants are heavier than the horses.
5 Today is hotter then yesterday .
Today is hotter than yesterday .