2019年八年级英语上册 Unit 2 How often do you exercise知识点总结素材 （新版）人教新目标版

unit2 how often do you exercise?短语归纳help with housework帮助做家务 on weekends在周末 how often多久一次 hardly ever几乎从不 once a week每周一次 twice a month每月两次 every day每天 be free有空 go to the movies去看电影 use the internet用互联网 swing dance摇摆舞 play tennis打网球 stay up late熬夜；睡得很晚 at least至少 have dance and piano lessons上舞蹈课和钢琴课 go to bed early早点睡觉 play sports进行体育活动 be good for对有好处 go camping去野营notat all一点儿也不 in ones free time在某人的业余时间 the most popular最受欢迎的such as比如；诸如 old habits die hard积习难改 go to the dentist去看牙医morn than多于；超过 less than少于 help sb. with sth.帮助某人做某事 how about? .怎么样？/ 好不好？ want sb. to do sth.想让某人做某事 how many+可数名词复数+一般疑问句？ 有多少?主语+find+that从句. 发现 spend time with sb.和某人一起度过时光its+ adj.+ to do sth. 做某事的的。 ask sb. about sth.向某人询问某事by doing sth. 通过做某事 whats your favorite?你最喜爱的是什么？the best way to do sth.做某事的最好方式语法讲解1. exercise （v/n）的用法1）（动）:锻炼. 如： he exercises every day.2) (可数名词)：“.操;练习”. 如：do morning/ eye exercises; do math exercises(不可数名词):“锻炼;运动”讲：如： we often do / take exercise on weekends.2. -how often do you usually go shopping? sometimes/twice a week. 有时候/一周两次.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/hiking2)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：许多次/倍; some time: 一段时间(2). hardly(adv): 几乎不 hard硬的；困难的；严厉的；勤奋的 a hard writer 努力地； 猛烈地 study/rain hard3）how often表示“多久一次”，是对动作的频率进行提问。其回答通常有：频率副词： always, usually, often, sometimes, hardly ever, neverhow often 次数时间段: 如：once or twice a week every 时间段: every day (每天) 区别：everyday（每天的；日常的）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)4）由how构成的疑问词组的用法“多少” howmany+ 可数名词复数 如：how many programshowmuch+不可数名词 如：how much coffee但how much=whats the price of.? 还有“多少钱”的意思 如：howmucharethosepants?how many times: “多少次”. 其答语表示次数。如：once ,twice，three times等how old.? 询问年龄 如：how old are you? i am five.“how long?”(4) 多久(时间) 常用 for two days，for three hours等回答。 多长（某物的长度） 如：-how long is the river? - 10 kms.(5)how soon 用来询问过多久，多久以后，其答语是in two hours，in three days等。如：how soon wil he come back？ in an hour。3. “空闲的”：are you free tonight? 4. at least 至少 at most 最多be free “自由的”： a free country freedom(n) 5. stay up 熬夜“免费的”： work for free. 6. junk food 垃圾食品full5. “满的；饱的” be full of : the bottle is full of water. 瓶子里装满了水。“忙的”=busy he had a full life6she says its good for my health. 她说那对我的健康有益。(1）be good for：“对有好处”。 如：doing exercise is good for our health.（2）be good at：“擅长于” 如：he is good at playing football.(3) be good to sb./sth: “对好” 如：the old woman is good to us.(4) be good to do sth.: “适合；宜于” 如：the water is good to drink. (5) be good with: “与相处好” 如： the teacher is good with his students.7go online = use the internet ：上网 8. teenager magazine 青少年杂志9. more than two hours=over two hours:超过 10. go to the dentist: 去看牙医11. keep healthy = stay healthy = keep in good health: 保持健康12. ask sb. to do : 叫做某事 teacher asked me to clean the classroom. ask sb. not to do sth.: 叫不要做某事 teacher asked me not to clean the classroom. ask sb. about sth. : 问某人某事 we asked our students about their free time activities.ask sb. for sth. : 向某人要求 如：ask teacher for help13. help sb. with sth. 如：they help me with this problem. 他们帮助你解决这个问题。 help sb.（to）do. 如：they help you (to) solve this problem. 他们帮助你解决这个问题。14. (n) 惊讶: to ones surprise 令某人惊讶的是 in surprise 惊讶地 be surprised at sth. 对 感到意外v) 使惊奇、意外： be surprised to do sth. 惊讶做某事 be surprised that + 从句如：i was surprised at the news = i was surprised to hear the news.15. fifteen percent of the students 百分之十五的学生 16. swing dance 摇摆舞17. although(conj):“尽管；虽然”，表示转折关系，同义词有though, 不能与but同时使用。如： although theyre neighbors, they dont play together.= theyre neighbors, but they dont play together. 尽管他们是邻居，但是他们不在一起玩。18. maybe (adv): 也许，大概 (maybe) he (maybe) knows it.may + v(原)：也许，大概 he may know it.如：maybe he is at home.= he maybe is at home.= he may be at home.19. its good to relax by using the internet or watching game shows.by: he learns english by singing english songs.通过 方式 he went home by bus.= he went home on the bus= he took the bus home. through 通过 方式+ 名词： the best way to relax is through exercise （从里面）穿过： climb through the window. 注意： 横过（从一边到另一边） walk across the street.例如20. such as =like + 名短： 如： such as winning the game. for example + 句子： 如：its healthy for the mind and the body.21. old habits die hard. 恶习难改. die(v):死亡；消失 death(n): 死亡；dead(adj): 死的； dying(adj): 垂死的；临终的；（植）枯萎的 dying wish-遗言21. you can spend time with your friends and family as you play together.s