初中二年级英语上册第一单元第三课教案Unit 1 How often do you exercise ? Teaching goals: 1. Words &phrases: how often , hardly , twice , once , difference , look after , although ,etc . 2. Learn to talt how often do you do things . 3. 一些表示频率的副词: always , usually , often , never , hardly ever , sometimes . 4. 句子结构: What do you usually do on weekends ? How often ?及回答. Important and difficult points : What does she /he do on weekends ? She often goes to the movies . How often