形容词、副词的比较级和最高级的用法:
当两种物体之间相互比较时,我们要用形容词或副词的比较级;
当相互比较的物体是三个或三个以上时,我们就要用形容词或副词的最高级。
形容词、副词的比较级和最高级的变化规律:
1. 单音节形容词或副词后面直接加-er或-est
tall—taller—tallest fast—faster—fastest
2. 以-e结尾的单音节形容词或副词直接加-r或-st
large—larger—largest nice—nicer—nicest
3. 以-y结尾的形容词或副词,改-y为-i再加-er或-est
busy—busier—busiest early—earlier—earliest
4. 形容词或副词是重读闭音节时,双写最后的辅音字母,再加-er或-est
hot—hotter—hottest big—bigger—biggest
5. 多音节形容词或副词前面直接加more或most
delicious—more delicious—most delicious
beautiful—more beautiful—most beautiful
6. 不规则变化
good (well)—better—best bad (badly)—worse—worst
形容词、副词的比较级和最高级的句子公式:
比较级
形容词物体A + am / are / is + 形比 + than + 物体B.
I am taller than you.
Pasta is more delicious than pizza.
副词物体A + 行为动词 + 副比 + than + 物体B.
Cheetahs run faster than goats.
He studies better than me.
最高级
1)物体A + am / are / is + the + 形最高级 + 比较范围(of + 人/物,in +
地方).
I am the tallest in the class.
Pasta is the most delicious food of the three.
2)物体A + 行为动词 + 副词最高级 + 比较范围(of + 人/物,in + 地方).
Cheetahs run fastest in the world.
He studies best of us.