Unit 2 School life Grammar比较级和最高级+er stronger smaller taller colder warmer+r nicer finer 辅音 +y ier prettier heavier angrier easier 双写 +er bigger slimmer thinner fatter redder hottermore+ 多音节形容词 more beautiful more important more poisonous more careful more useful more helpful more slowly more quickly more quietly 不规则 bad / ill worse worst good /well better best far farther/further farthest/furthest much/many more most strong tall cheap bright light few clever short smartfine nice close large widethin slim big red sad fat wet beautiful careful useful famous handsome friendly lovely quickly lazy dirty early lucky busy easylittle much good ill bad badly ererererer ererererrrrrrnermer gerderdertertermorey-ier不规则变化little less least much more mostgood better best ill worse worstbad worse worst b