初二英语第一单元知识点Unit 1 How often do you exercise? 目标语言：talk about how often you do things 重点句型：What does she do on weekends? She often goes to the movies. What do you usually do on weekends? I usually play soccer. How often does Cheng watch TV? He watches TV twice a week. How many hours do you sleep every day? I sleep for nine hours . Do you think she has a healthy lifestyle ? Yes,I do. Is her lifestyle the same as yours? Yes, it is. Who is the healthiest? Tom is the healthiest. 重点词组：watch TV, read newspaper, go to the movies, surf the Internet, read English books, once or twice a week, every day, three or four times a week, the result of, be interested in, translate…into…,be good for, try to, the same as, help sb. to do,keep in good health. 学问点： 1.一般现在时，第三人称单数作主语时，动词的变化规章。
1) 一般在动词后加-s词尾如，come-comes live-lives 2) 在以ch, sh ,s, x, 或o结尾的词后要加-es, 如， teach-teaches catch-catches wish-wishes wash-washes miss-misses guess-guesses mix-mixes fix-fixes go-goes do-does 3) 以“辅音+y”结尾的词，先变y为I 再加es,如， Try-tries study-studies reply-replies fly-flies 1. 主语为第三人称单数时一般现在时的构造 确定式：主语+ 谓语动词的第三人称单数+其他 He likes bananas a lot. 他特别喜爱吃香蕉 否认式：主语+助动词(doesn’t)+动词原形+其他 She doesn’t like milk.她不喜爱喝牛奶 疑问式：助动词(Does)+主语+动词原形+其他 确定答复：Yes, 主语+does. 否认答复：No, 主语+doesn’t. -Does Kate like meat? 凯特喜爱吃肉吗? -Yes, she does. 是的，她喜爱。
-No, she doesn’t. 不，她不喜爱 2.频度副词的用法 1)频度副词是表示动作频率的词汇，常用的有always100%,usually80%,often50%,somtimes30%,hardly ever2%never0% 2)频度副词的位置 a) 放在连系动词，助动词或情态动词后面 b) 放在行为动词前 c) 有些频度副词可放在句首或句尾，用来表示强调 Sometimes I walk home,sometimes I go home by bus. 【留意】never放在句首时，主语，谓语动词要倒状 Never have I learnt this word.我从没学过这个词 3.词语辨析： 1) a) good, fine, well, nice good是通用词，可以表示各种品质方面的优异，从美学到道德标准几乎都可以使用 It is an old film, but it’s very good. b) fine表示“上好的，精细的”，也可以表示“美妙的”，天气“晴朗的”。
She always wears fine clothes.她总穿好衣服 It is fine sand.这是细砂 It is a fine day today. 今日天气晴朗 c) well表示身体“无病的，安康的“ d) nice表示使人感到“开心的，好的“ 2)every day, everyday every day作状语;everyday作定语 3)some time, some times, sometime, sometimes, a)some time表示“一些时间”，此处time为不行数名词“时间”，如 Don’t worry. We have sometime.别焦急，我们还有些时间 b)some times表示“一些次数/倍数”，此处time为可数名词“次数/倍数” I have been to Hong Kong some times.我去过香港好几次了 c)sometime表示“在某个时候”，且多指将来 We are going to HongKong sometime next summer.明年夏天的某个时候，我们将要去香港。
d)sometimes表示“有时，不时”，意思与at times相近，且多指现在的状况 My family sometimes goes to Hong Kong for vacations.我们家有时去香港度假 4)all, most, some ,no 这四个词都是用来表示也许的数量，但是他们所表示的程度不同：all全部的,most大局部的，some一些，no 没有如，all boys全部男孩，most boys大局部男孩，some boys一些男孩，no boys 没有男孩 5)health, healthy Health意思是“安康”，为名词;而healthy是在health的词尾加上加上y,变成形容词，意思是“安康的”它们的用法也不大一样：health一般只作主语或宾语;而healthy多作定语或表语 类似的词汇还有许多，要留意区分：sleep-sleepy, luck-lucky,mood-moody 6)kind, kind of, a kind of Kind有两种根本意思：1作名词，意思是“种类，类型”;2。
作形容词，用来形容热，意思为“慈爱的，友善的，和善的”. 。