比较级与最高级变化规则总则1比较级直接在词尾+ er；最高级直接在词尾+est.
1.以不发音e结尾的单音节词，比较级直接加---r；最高级直接加---st.
2.在重读闭音节（即：辅音＋元音＋辅音）中，要双写结尾的辅音字母，然后比较级
加---er；最高级加---est。
3.辅音字母加y结尾的单音节词与双音节词（有ly后缀的词除外）要将“y”改为“i”后，
比较级加---er；最高级加---est。
4.其他双音节词与多音节词变比较级在原级前加more；变最高级在原级前加most。
5.不规则变化
二、用所给词的适当形式填空。
1. Fred is __________(friendly) in his class .
2. My erar is ________( nice) in my class.
3. Her rule is ______(long), and it’s the _______(long)of ours all .
4. Is she the ________(old ) woman in the world ?
5. Elephant is the ________(big) animal on land .
6. Jiamin is _______( tall ). But Yongxian is _______( tall ) than him .
7. I sing _________( good ) in class .
8. The woman is the ________( fat ) of the three .
9. The cat is ________(fast), the hor is _______(fast) than the cat.
