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
many(much)-more-most little-less-least
选择填空
1. Which does Jimmy like _____ , Chinese or Art?
A. well
B. best
C. better
D. much
2. The Changjiang River is one of _____ in the world.
A. the longest river
B. longest rivers
C. the longest rivers
D. longer rivers
3. The box is _________than I wanted.
A. biger
B. the biger
C. bigger
D. the bigger
4. He jumps _____ of the three.
A. far
B. further
C. farthest
D. Furthest
5. The pen is _____ than that one.
A. more cheap
B. cheap
C. much cheaper
D. quite cheaper
6.Who has _____ apples now, Jim, Lily or Lucy?
A. much
B. biggest
C. better
D. the most
7. Mother is _____ in my family.
A. busy
B. busier
C. the busiest
D. more busy
8.-This blue sweater is too big for me .-Will you please show me a _____ one?
A. small
B. smaller
C. the smallest
D. smallest
