Unit 1 How tall are you,tall,taller,old,older,small,smaller,young,younger,strong,stronger,short,shorter,long,longer,big,bigger,Look at the pictures and understand 看图并理解,A,B,thin,thinner,heavy,heavier,形容词比较级,大多数形容词和副词有三个等级: 原级,即原形 比较级,表示“较”;“更,Grammar,形容词和副词的比较级,最高级,表示“最,构成的规则变化: 1. 一般在词尾加 er eg. cold colder old older,一、形容词的比较级变化形式,tall - _ 7. small- _ 2. short- _ 8. cool-_ 3. strong-_ 9.cold- _ 4. old - _ 10.warm-_ 5. young-_ 11.deep -