人教版八年级上册英语第二单元知识点梳理 How often do you exercise?【语言目标】 What do you usually do on weekends? I sometimes go to the beach. How often do you eat vegetables? Every day. Most students do homework every day.【重点词汇】 always, usually , often, sometimes , hardly , ever, never. how often, once , twice , three times a week , every day.【应掌握的词组】1. go to the movies 2. look after = take care of4. healthy lifestyle