stomachache?肚子疼haveacold?感冒haveafever?发烧haveasorethroat?喉咙疼havetoothache?牙疼(注意没有“a”)I’mafraid?恐怕(表示婉转语气)toomuch+不可数名词?太多toomany+可数名词toolittle+不可数名词?太少toofew+可数名词watchtoomuchtelevision?看太多的电视(*watchtelevisionfortoolong)watchlesstelevision?看少一点电视wearenoughclothes?穿足够多的衣服*puton?穿上wearmoreclothes?穿更多的衣服eattoomuchspicyfood?吃太多的辛辣食物haveexercise?做运动onceaday?一天一次twiceaweek?一周两次threetimesamonth?一个月三次gotobedlate?晚睡gotobedearly?早睡practiseswimming?练习游泳*practisedoingsth.?练习做某事helpdothehousework?帮助做家务*helpsb.(to)dosth./helpsb.withsth.?帮助某人做某事II.词性转换act(v.)—activity(n.)—activities(pl.)—*active(a.)e.g.Wetakepartinallkindsofactivities.Heisveryactiveinclass.health(n.)—healthy(adj.)—unhealthy(a.)e.g.Healthisthemostimportantthing.Youshouldeathealthyfood.Eatingtoomuchicecreamisunhealthy.real(adj.)—really(adv.)