Unit 2 How often do you exercise句型透视必背句一必背句1. What do you usually do on weekends? I always exercise.2.What do they do on weekends?They often help with housework.3.What does she do on weekends?She sometimes goes shopping.4.How often do you go to the movies ? Once a month. 5.How often does he watch TV?He hardly ever watches TV.6.Does he go shopping? No,he never goes shopping. 二例句解析1. What does he do on weekends?He usually watches TV.他通常在周末做什么？他通常看电视。句子是一般现在时，主语he是第三人称单数，借助助动词does。在答语中，谓语动词用单三式watches。2. How often do you go to the movies ? Once a month你多久去看一次电影，一月一次。howoften是对动作发生的“次数”提问,询问的是频率“多久一次”。 Once是“一次”，“两次”是twice,三次以上用“基数词+times”来表示。若只对次数提问，则用How many times“多少次”。3.Whats your favorite program?你最喜欢的节目是什么？Whats your favorite？ =What do you like best?1