八年级上英语unit2How-often-do-you-rcise短语知识点详解.doc

Unit2 How often do you exercise?本单元的话题：谈论生活习惯，复习一般现在时。本单元的语法：1.复习一般现在时；2.学习表示频率副词的用法。主要频率副词的等级排序：always(总是) usually (通常) often(经常) sometimes(有时) hardly ever(很少) never(从不)这些副词在句子中的位置，一般放在助动词、be动词或情态动词之后，行为动词之前。即：“行”前“助(系)”后。 如：Peter is always late for school. Peter上学总是迟到。I usually do my homework in the evening. 我通常在晚上做作业。提问 always, sometimes, twice a day 等频率副词，用 How often I watch TV every day.我每天都看电视How often do you watch TV?(你多长时间看一次电视？)重点短语1.such as例如；诸如2.junk food n.垃圾食品；无营养食品3.more than超过；多于；不仅仅；非常4.less than不到；少于5.help with housework 帮助做家务 6.on weekends 在周末 7.how often 多久一次 8.hardly ever 几乎从不 9.once a week 每周一次 10.twice a month 每月两次 11.every day 每天 12.be free 有空 13.go to the movies 去看电影 14.use the Internet 用互联网 15.swing dance 摇摆舞 16.play tennis 打网球 17.stay up late 熬夜；睡得很晚 18.at least 至少 19.have dance and piano lessons 上舞蹈课和钢琴课 20.go to bed early 早点睡觉 21.play sports 进行体育活动 22.be good for 对有好处 23.go camping 去野营 24.notat all 一点儿也不 25.in ones free time 在某人的业余时间 26.the most popular 最受欢迎的27.such as 比如；诸如 28.old habits die hard 积习难改 29.go to the dentist 去看牙医 30.morn than 多于；超过 31.less than 少于 32.help sb. with sth. 帮助某人做某事 33.How about? .怎么样？ 34.want sb. to do sth. 想让某人做某事 35.How many+可数名词复数+一般疑问句？ 有多少? 36.spend time with sb. 和某人一起度过时光 37.Its+ adj.+ to do sth. 做某事的的。 38.ask sb. about sth. 向某人询问某事 39.by doing sth. 通过做某事 40.Whats your favorite? 你最喜爱的是什么？41.the best way to do sth. 做某事的最好方式42.go online 上网重点句子： 1. What do you usually do on weekends? 周末你通常做什么？2. I often go to the movies. 我经常去看电影。3. Next week is quite full for me. 下一周我相当忙。4. They often help with housework. 他们经常帮着做家务。5. He hardly ever watches TV. 他几乎从不看电视。6. Does Sue eat a healthy breakfast? Sue吃健康早餐吗？7. What can you do to improve your English? 你能做什么来提高你的英语？8. My mother wants me to drink it. She says its 我妈妈想我喝它。她说这对我的健康有好处 good for my health.9. How many hours do you sleep every night? 你每天晚上睡几个小时？10. Last month we asked our students about their 上个月我们问了我们的学生关于free time activities. 他们业余活动的问题。11. Here are the results. 结果如下。12. Twenty percent do not exercise at all. 20%的学生根本不运动。13. Most students use it for fun and not for homework. 大部分学生用电脑来娱乐而不是为了作业14. The answers to our questions about watching television 对我们提出的有关看电视的问题的 were also interesting. 答案也颇有意思。15. Although many students like to watch sports, game shows 虽然许多学生喜欢看体育节目，但are the most popular. 游戏类节目确实最受欢迎的。16. It is good to relax by using the Internet. 上网是一个很好的放松方式。17. The best way to relax is through exercise. 最好的放松方式是通过运动。18. You can spend time with your friends and family 当你和家人朋友一起运动的时候， as you play together. 你可以和他们共度美好时光。19. Old habits die hard. 旧习难改。20. So start exercising before its too late! 所以赶快锻炼起来，不要等到来不及了！21. How many percent of the students do not exercise at all? 百分之多少的学生根本不运动？22. Show the pie chart to your class. 把饼状图展示给全班看。23. Jane is a 16-year-old high school student. Jane 是一个16岁的高中生。24. She never goes to the dentist for teeth cleaning. 她从来不去牙医那里清洗牙齿。She says she is afraid. 她说她害怕。25. Use the report in 3a as an example. 把3a中的报告作为一个例子。26. Im just like Tom. 我就像Tom一样。重点语法 1. How about? 怎么样？/ 好不好？ （后跟名词代词V ing）(用来提出意见或征求对方建议) I like apples,how about you ?我喜欢苹果，你呢？（apple,名词，苹果）(how about =what about) How about going shopping this afternoon？今天下午去购物怎么样？（go为动词）2. want sth：需要某物 He wants a new pen.他想要一支新钢笔。 want to do sth:想做某事 He wants to watch TV after school.放学后他想去看电视。 want sb to do sth:让某人做某事 My mother wants me get up early.妈妈让我早起。3. be good for对有好处 be bad for 对有害处 Swimming is good for our health.游泳对我们的健康有好处。 Watching TV is bad for our eyes.看电视对我们的眼睛有害处。4. ask sb about sth：问某人某事 My parents often ask me about my study.我的父母经常问我的学习情况。5. in ones spare time在某人业余时间 He studies English in his spare time.他在业余时间学习英语。6. ”数字+percent of+名词”做主语时，后面的单词取决于名词的情况。若名词为复数，后面的动词用复数形式；若名词为单数或不可数名词，后面的动词用单数形式。 In our class ,twenty of students are boys.在我们班，百分之二十的学生为男生。 Thirty of water is dirty.百分之三十的水是脏的。7. notat all:一点儿也不 （not构成否定句） I dont like the movie at all.我一点也不喜欢这部电影。8. the answer to+名词：的答案 the answer to the question这个问题的答案9. the most popular最受欢迎的 although(虽然)不能与but连用，但可以与yet ,still 连用。 Although it is dark ,they are still working.虽然天黑了，但他们仍在工作。 Although he is old ,he is quite strong.他虽然年龄大了，但身体很健壮。10. the (best) way to do sth: 做某事的(最好)方式 The best way to learn English is speaking English.学习英语的最好方法是说英语.11. such as比如 （后跟名词或名词短语） for example 例如（后跟句子） 如： He likes fruits,such as apples,bananas and so on.他喜欢水果，例如苹果、香蕉等。 He has some good ways to study English,for example ,he often listens to tapes.他有许多好的方法学习英语，例如，他经常听磁带。12.old habits die hard积习难改。13. 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.14. -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/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：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 hard 3）how often表示“多久一次”，是对动作的频率进行提问。其回答通常有： 频率副词： always, usually, often, sometimes, hardly ever, never how 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 programs howmuch+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?” 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。free15. “空闲的”：Are you free tonight? be free “自由的”： a free country freedom(n) “免费的”： work for free. full16. “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 life17She 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.18 go online = use the Internet ：上网 19. . Teenager magazine 青少年杂志20 . more than two hours=over two hours:超过 21 . keep healthy = stay healthy = keep in good health: 保持健康22. 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 help23. 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。24. (n) 惊讶: to ones surprise 令某人惊讶的是 in surprise 惊讶地 surprise 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.25. fifteen percent of the students 百分之十五的学生 26. 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.27. Its good to relax by using the In