形容词比较级和最高级

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—tallestfast—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—largestnice—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—busiestearly—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—hottestbig—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—bestbad (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.

一.词形变换。

比较级最高级

large____________________________________

fast____________________________________

easy____________________________________

比较级最高级

wet____________________________________

good____________________________________

important____________________________________

well_____________________________________

bad____________________________________

many____________________________________

little____________________________________

far____________________________________

strong____________________________________

patient____________________________________

safe____________________________________

expensive____________________________________

二.选择填空。

1.Birds can fly _____________, eagles can fly

_______________than birds. They fly _____________ in the world.( high, higher, highest )

2. I am _____________ than my brother, but my little sister is the ______________ of us.(fat, fatter, fattest )

3. Which can swim ______________, fish or sharks?( well, better, best )

4. The green book is a _______________ book, but the red one is much _____________ thanthe green one. It’s the

______________ book in the bookshop.(nice, nicer, nicest )

5. Look at that boy, he is running ______________(fast, faster).

6. I think that book is ______________(good, better) for

you.

7. The new library has ______________(many, more) books than the old one.

8. Sally is ______________(tall, taller) than her cousin.

9. Our school is much ______________(large, larger) than yours.

10. Look, Janet is jumping ______________(high, higher) than Mike.

11．Mr Hare runs much ______________(fast, faster) than

Mr Turtle. Mr Hare needn’t run______________(fast, faster) now.

12. In the gym, Tommy is playing table tennis ______________ (well, better) than Jimmy.

13. This book is very ______________(interesting, more interesting) , but that one is

______________ (interesting, more interesting) than it.

14. The film is the ______________ (horrible, more horrible, most horrible) film of all.

15. It’s summer now. The weather is getting _______________.