Unit 2 How often do you exercise?1 、How often 意为“多久一次，多长时间一次” 用来提问频率，回答时一般用表示频率 的词或短语。 e.g. How often do you drink milk ? I drink milk every day.2. exercise v. 锻炼； n. U 运动; C 练习 e.g. Lets do our exercises. 让我们做练习吧。 Walking is a good exercise. 散步是一项很好的运动。go to the movies go shopping watch TV sleep readplay computer games exercise help with houseworkWhat do you usually do on weekends? What do you usually do on weekends? I usually / often I usually / often 频度副词 always 意为 “总是”, 表示动作的重复或状态的 延续。 usual
