八年級上英語unit2Howoftendoyouexercise短語知識點詳解

1、Unit2 How often do you exercise?本單元的話題：談論生活習慣，復習一般現(xiàn)在時。本單元的語法：1.復習一般現(xiàn)在時；2.學習表示頻率副詞的用法。主要頻率副詞的等級排序：always(總是) > usually (通常) > often(經(jīng)常) > sometimes(有時) > hardly ever(很少) > never(從不)這些副詞在句子中的位置，一般放在助動詞、be動詞或情態(tài)動詞之后，行為動詞之前。即：“行”前“助(系)”后。 如：Peter is always late for school. Peter上學總是遲到。I us

2、ually do my homework in the evening. 我通常在晚上做作業(yè)。提問 always, sometimes, twice a day 等頻率副詞，用 How often I watch TV every day.我每天都看電視How often do you watch TV?(你多長時間看一次電視？)重點短語1.such as例如；諸如2.junk food n.垃圾食品；無營養(yǎng)食品3.more than超過；多于；不僅僅；非常4.less than不到；少于5.help with housework 幫助做家務 6.on weekends 在周末 7.how o

3、ften 多久一次 8.hardly ever 幾乎從不 9.once a week 每周一次 10.twice a month 每月兩次 11.every day 每天 12.be free 有空 13.go to the movies 去看電影 14.use the Internet 用互聯(lián)網(wǎng) 15.swing dance 搖擺舞 16.play tennis 打網(wǎng)球 17.stay up late 熬夜；睡得很晚 18.at least 至少 19.have dance and piano lessons 上舞蹈課和鋼琴課 20.go to bed early 早點睡覺 21.play

4、sports 進行體育活動 22.be good for 對有好處 23.go camping 去野營 24.notat all 一點兒也不 25.in ones free time 在某人的業(yè)余時間 26.the most popular 最受歡迎的27.such as 比如；諸如 28.old habits die hard 積習難改 29.go to the dentist 去看牙醫(yī) 30.morn than 多于；超過 31.less than 少于 32.help sb. with sth. 幫助某人做某事 33.How about? .怎么樣？ 34.want sb. to do

5、sth. 想讓某人做某事 35.How many+可數(shù)名詞復數(shù)+一般疑問句？ 有多少? 36.spend time with sb. 和某人一起度過時光 37.Its+ adj.+ to do sth. 做某事的的。 38.ask sb. about sth. 向某人詢問某事 39.by doing sth. 通過做某事 40.Whats your favorite? 你最喜愛的是什么？41.the best way to do sth. 做某事的最好方式42.go online 上網(wǎng)重點句子： 1. What do you usually do on weekends? 周末你通常做什么？2

6、. I often go to the movies. 我經(jīng)常去看電影。3. Next week is quite full for me. 下一周我相當忙。4. They often help with housework. 他們經(jīng)常幫著做家務。5. He hardly ever watches TV. 他幾乎從不看電視。6. Does Sue eat a healthy breakfast? Sue吃健康早餐嗎？7. What can you do to improve your English? 你能做什么來提高你的英語？8. My mother wants me to drink it

7、. She says its 我媽媽想我喝它。她說這對我的健康有好處 good for my health.9. How many hours do you sleep every night? 你每天晚上睡幾個小時？10. Last month we asked our students about their 上個月我們問了我們的學生關(guān)于free time activities. 他們業(yè)余活動的問題。11. Here are the results. 結(jié)果如下。12. Twenty percent do not exercise at all. 20%的學生根本不運動。13. Most s

8、tudents use it for fun and not for homework. 大部分學生用電腦來娛樂而不是為了作業(yè)14. The answers to our questions about watching television 對我們提出的有關(guān)看電視的問題的 were also interesting. 答案也頗有意思。15. Although many students like to watch sports, game shows 雖然許多學生喜歡看體育節(jié)目，但are the most popular. 游戲類節(jié)目確實最受歡迎的。16. It is good to rel

9、ax by using the Internet. 上網(wǎng)是一個很好的放松方式。17. The best way to relax is through exercise. 最好的放松方式是通過運動。18. You can spend time with your friends and family 當你和家人朋友一起運動的時候， as you play together. 你可以和他們共度美好時光。19. Old habits die hard. 舊習難改。20. So start exercising before its too late! 所以趕快鍛煉起來，不要等到來不及了！21. H

10、ow many percent of the students do not exercise at all? 百分之多少的學生根本不運動？22. Show the pie chart to your class. 把餅狀圖展示給全班看。23. Jane is a 16-year-old high school student. Jane 是一個16歲的高中生。24. She never goes to the dentist for teeth cleaning. 她從來不去牙醫(yī)那里清洗牙齒。She says she is afraid. 她說她害怕。25. Use the report i

11、n 3a as an example. 把3a中的報告作為一個例子。26. Im just like Tom. 我就像Tom一樣。重點語法 1. How about? 怎么樣？/ 好不好？ （后跟名詞代詞V ing）(用來提出意見或征求對方建議) I like apples,how about you ?我喜歡蘋果，你呢？（apple,名詞，蘋果）(how about =what about) How about going shopping this afternoon？今天下午去購物怎么樣？（go為動詞）2. want sth：需要某物 He wants a new pen.他想要一支新鋼

12、筆。 want to do sth:想做某事 He wants to watch TV after school.放學后他想去看電視。 want sb to do sth:讓某人做某事 My mother wants me get up early.媽媽讓我早起。3. be good for對有好處 be bad for 對有害處 Swimming is good for our health.游泳對我們的健康有好處。 Watching TV is bad for our eyes.看電視對我們的眼睛有害處。4. ask sb about sth：問某人某事 My parents often

13、ask me about my study.我的父母經(jīng)常問我的學習情況。5. in ones spare time在某人業(yè)余時間 He studies English in his spare time.他在業(yè)余時間學習英語。6. ”數(shù)字+percent of+名詞”做主語時，后面的單詞取決于名詞的情況。若名詞為復數(shù)，后面的動詞用復數(shù)形式；若名詞為單數(shù)或不可數(shù)名詞，后面的動詞用單數(shù)形式。 In our class ,twenty of students are boys.在我們班，百分之二十的學生為男生。 Thirty of water is dirty.百分之三十的水是臟的。7. notat

14、 all:一點兒也不 （not構(gòu)成否定句） I dont like the movie at all.我一點也不喜歡這部電影。8. the answer to+名詞：的答案 the answer to the question這個問題的答案9. the most popular最受歡迎的 although(雖然)不能與but連用，但可以與yet ,still 連用。 Although it is dark ,they are still working.雖然天黑了，但他們?nèi)栽诠ぷ鳌?Although he is old ,he is quite strong.他雖然年齡大了，但身體很健壯。10

15、. the (best) way to do sth: 做某事的(最好)方式 The best way to learn English is speaking English.學習英語的最好方法是說英語.11. such as比如 （后跟名詞或名詞短語） for example 例如（后跟句子） 如： He likes fruits,such as apples,bananas and so on.他喜歡水果，例如蘋果、香蕉等。 He has some good ways to study English,for example ,he often listens to tapes.他有許多

16、好的方法學習英語，例如，他經(jīng)常聽磁帶。12.old habits die hard積習難改。13. exercise （v/n）的用法 1）（動）:鍛煉. 如： He exercises every day. 2) (可數(shù)名詞)：“.操;練習”. 如：do morning/ eye exercises; do math exercises (不可數(shù)名詞):“鍛煉;運動”講：如： We often do / take exercise on weekends.14. -How often do you usually go shopping? Sometimes/Twice a week. 有時

17、候/一周兩次. 1) go shopping 意為“去購物”。Go+ v- ing : 表示進行某項活動。如： Go swimming/ shopping/skating/skiing/fishing/climbing/hiking 2)頻率副詞：always=all the time, usually, often, sometimes=at times , hardly ever, never (1).sometimes: 有時候；sometime：某時；some times：許多次/倍; some time: 一段時間 (2). hardly(adv): 幾乎不 hard 硬的；困難的；

18、嚴厲的；勤奮的 a hard writer 努力地； 猛烈地 study/rain hard 3）how often表示“多久一次”，是對動作的頻率進行提問。其回答通常有： 頻率副詞： always, usually, often, sometimes, hardly ever, never how often 次數(shù)時間段: 如：once or twice a week every 時間段: every day (每天) 區(qū)別：everyday（每天的；日常的） 注意：表示“一次或兩次”時，一般用once和twice表示。如：once a month(一個月一次) 而表示“三次或以上”時，則用

19、“數(shù)詞times”結(jié)構(gòu)。如：five times a year (一年五次) 4） 由how構(gòu)成的疑問詞組的用法“多少” how many+ 可數(shù)名詞復數(shù) 如：how many programs how much+不可數(shù)名詞 如：how much coffee 但how much=whats the price of.? 還有“多少錢”的意思 如：How much are those pants? how many times: “多少次”. 其答語表示次數(shù)。如：once ,twice，three times等 How ol

20、d.? 詢問年齡 如：How old are you? I am five.“how long?” 多久(時間) 常用 for two days，for three hours等回答。 多長（某物的長度） 如：-How long is the river? - 10 kms. (5)how soon 用來詢問過多久，多久以后，其答語是in two hours，in three days等。 如：How soon wil he come back？ In an hour。free15. “空閑的”：Are you free tonight? be free “自由的”： a free count

21、ry freedom(n) “免費的”： work for free. full16. “滿的；飽的” be full of : The bottle is full of water. 瓶子里裝滿了水。 “忙的”=busy He had a full life17She says its good for my health. 她說那對我的健康有益。 (1）be good for：“對有好處”。 如：Doing exercise is good for our health. （2）be good at：“擅長于” 如：He is good at playing football. (3)

22、be good to sb./sth: “對好” 如：The old woman is good to us. (4) be good to do sth.: “適合；宜于” 如：The water is good to drink. (5) be good with: “與相處好” 如： The teacher is good with his students.18 go online = use the Internet ：上網(wǎng) 19. . Teenager magazine 青少年雜志20 . more than two hours=over two hours:超過 21 . kee

23、p 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. : 問某人某事 We asked our students about their free time activities. ask sb. for sth. : 向某人要

24、求 如：ask teacher for help23. help sb. with sth. 如：They help me with this problem. 他們幫助你解決這個問題。 help sb.（to）do. 如：They help you (to) solve this problem. 他們幫助你解決這個問題。24. (n) 驚訝: to ones surprise 令某人驚訝的是 in surprise 驚訝地 surprise be surprised at sth. 對 感到意外 v) 使驚奇、意外： be surprised to do sth. 驚訝做某事 be sur

25、prised that + 從句 如：I was surprised at the news = I was surprised to hear the news.25. fifteen percent of the students 百分之十五的學生 26. maybe (adv): 也許，大概 (Maybe) he (maybe) knows it. May + v(原)：也許，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 usin