Unit2 How often do you exercise?一、知识点1. ----How often do you usually go shopping? —Sometimes/Twice a week. 有时候/一两次. 1) go shopping 意为“去购物”。Go+ v- ing : 表示进行某项活动。如:Go swimming/ shopping/skating/skiing/fishing/climbing/hiking 2)频率副词:always=all the time, usually, often, sometimes=at times , hardly ever, never (1).sometimes: 有时候;sometime:某时;some times:多次/倍; some time: 一时间 (2). hardly(adv): 几乎不 硬的;困难的;严厉的;勤奋的 a hard writer 努力地; 猛烈地 study/rain hard 3)how often表示“多久一次”,是对动作的频率进行提问。其回答通有: 频率副词: always, usually, often, sometimes, hardly ever, neverhow often 次数+时间: 如:once or twice a week every +时间: every day (每天) 区别:everyday(每天的;日的)注意:表示“一次或两次”时,一般用once和twice表示。如:once a month(一个月一次)而表示“三次或以上”时,则用“数词+times”结构。如:five times a year (一年五次)2. 由how构成的疑问词组的用法(1) how many+ 可数名词复数 如:how many programshow much+不可数名词。 如:how much coffee 但how much=what’s the price of..? 还有“多少”的意思 如:How much are those pants?(2)how many times: “多少次”. 其答语表示次数。如:once ,twice,three times等(3) How old...? 询问年龄 如:How old are you? I am five.(4) 多久(时间) 用 for two days,for |