Unit 2 Section A Grammar focus-3c 课件 2023-2024学年人教版英语八年级上册

Section A (Grammar Focus-3c) Unit 2 How often do you exercise? A: B: I always exercise. What do you do on weekends? go to the movies use the Internet go shopping watch TV read excercise they/ she A:How often do you--- once a month hardly ever twice a month never three times a week every day I sometimes go shopping. I never go shopping. I usually watch TV. I always exercise. I often help with housework. I hardly (ever) watch TV. I can always be your helper! She is never late for school. 频度副词(frequency adverbs) 频度副词 (Adverbs of Frequency) 频度副词表示事情发生的频率， 可用来回答how often引导的问句。 常用的频度副词有always，almost always， usually，often， sometimes，hardly ever（seldom），never等，它们在频度上的差异可以这样表示： never 0% hardly ever 5% sometimes 30% often 60% usually 80% always 100% 列1 0 0 0 10 列1 0 0 5 95 列1 0 0 25 75 列1 0 0 65 35 列1 0 0 80 20 列1 0 0 100 0 频度副词 always 总是 表示动作的重复或状态的延续 usually 通常 表示很少有例外 often 经常 表示动作的重复，但不如 usually频繁，中间有间断 sometimes 有时 表示动作偶尔发生 hardly ever 几乎从不 never 从未 “次数”的表达方法 一次    once， 两次    twice， 三次或三次以上用基数词加上 times, three times, five times, one hundred times. 表示“……几次”的表达方法是： once a day / a week / a month / a year    twice a day / a week / a month / a year three times a day / a week / … 这些表次数的词后与一段时间连用，表示动作多长时间发生几次，即动作的频率。 What … do on weekends? 询问课余活动 1) 答语可用频度副词表示活动的频率； 2) 频度副词一般在主语后、实义动词之前。 What do you usually do on weekends? I always exercise. What do they do on weekends? They often help with housework. What does she do on weekends? She sometimes goes shopping. how often 多久一次 用于提问频率的特殊疑问词组。 其答语应为表示频率的副词或副词词组。 句子的时态一般是一般现在时态，也可以是一般过去时。 对频率提问 How often do you go to the movies? I go to the movies maybe once a month. How often does he watch TV? He hardly ever watches TV. 总结：how often“多久一次”询问动作的频率。 答语：（1）频度副词 always（100%）---usually（90%）---often =all the time =at times （60%）---sometimes（30%）---hardly ever（10-20%） ---never（0%） =seldom （2）every+名词单数 everymorning/afternoon/evening/day/Sunday/weekend/ week/