Peter likes candies very much. He never brushes his teeth. He seldom checks his teeth at doctors regularly. Have a toothache Have a stomachache Have a headache Feel tired Not have breakfast Take more exercises Never wash hands before each meal Eat too much something cold Stay up very late Watch TV a long time Go to bed very late Discussion Sentence structures Conjunction Composition Keep Healthy Healthy Food Good Lifestyle Youd better Why dont you do? Why not do? should Its good / bad forto do . Its useful / helpful forto do. Its necessary for sb to do sth. （做某事对某人有必要） find it adj. to do sth. take it granted 初三学生的生活紧张 ，学习繁重，健康的生活 习惯非常重要请你为同 学们提供一些行之有效的 措施、方法，帮助他们解 决疲劳、易困、营养不充 足等难题。 First; second; third; finally (顺序) First ; second ; third ; last, but not least (顺序) So; therefore; as a result; in this case; (于是；因此；结果；在这种情况下) For one thing; for another thing （首先； 其次 ） On one hand; on the other hand （一方面； 另一方面 ）