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八年级上Unit-2-How-often-do-you-exercise?知识点.doc

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1、1Unit2 How often do you exercise?常用短语1.help with housework 帮助做家务 2.go shopping=do some shopping 去购物 3.on weekends 在周末4.how often 多久一次 5.hardly ever 几乎从不 6.once a week 每周一次7.twice a month 每月两次 8.go to the movies 去看电影 9.every day 每天10.use the Internet 用互联网 11.be free 有空 12.swing dance 摇摆舞13.have dance

2、 and piano lessons 上舞蹈课和钢琴课 14.stay up late 熬夜,睡得很晚15.play tennis 打网球 16.at least 至少,起码 17.go to bed early 早点睡觉18.play sports 做运动 19.go camping 去野营 20.notat all 一点儿也不21.in ones free time 在某人的业余时间 22.the most popular 最受欢迎的 23.such as 例如,像一样24.more than 多于;超过 25.less than 少于 26.go to the dentist 去看牙医2

3、7.look after=take care of 照顾 28. healthy lifestyle 健康的生活方式 29.eating habits 饮食习惯30.exercise=take(much)exercise=do sports 锻炼 31. most of the students=most students 大多数学生32.eat less meat 吃更少的肉 33. get good grades 取得好成绩 34. some advice 一些意见35. be stressed out 紧张的,有压力的 36. take a vacation 去度假 37. get ba

4、ck 回来38.go online 上网 39. read English books 看英语书 40. of course 当然41.fifteen percent of our students 我们百分之十五的学生用法集萃1.help sb. with sth.=help sb (to)do sth 帮助某人做某事 2.How about? =What about 怎么样?/ 好不好?3.want sb. to do sth.=would like sb to do sth 想让某人做某事 4.How many+可数名词复数+ 一般疑问句? 有多少? How many students

5、are there in your class?5.主+find+that 从句. 发现 6.spend time with sb. 和某人一起度过时光7.Its+adj+to do sth 做某事是的 Its good for you to eat a lot of vegetables.多吃蔬菜对你有好处。8.ask sb.about sth. 向某人询问某事9.by doing sth. 通过做某事 例:I learn English by speaking English loudly.我通过大声说来学英语。 10.the best way to do sth. 做某事的最好方式211

6、. (1)不确定的频度副词:表示动作发生间隔(既频率)的副词。它们有 always、 usually、often、sometimes、seldom、hardly ever、never 等。always( 100%)usually(约 80%90%)often (约 60%)sometimes(约 30%)seldom(约 20%)hardly ever(约 10%) never(0%)在句中位置:频度副词在句中通常放在 be 动词、助动词、情态动词之后,在实义动词之前。She is often late for school./I can never be sure./He always he

7、lps me.(2).表示确定的频率短语 every day/week/month/year 每天/ 周/月/年;once a week 每周一次; twice a week 每周两次; twice a month一月两次;three times a day 一天三次;three or four times a week 一周三到四次注:三次或三次以上一般用“基数词times”表示。13辨析:sometimes ,some times ,sometime, some timesometimes 有时=at times,对其提问用 how often?some times 几次 。time 作可

8、数名词时可作 “次数”解;表示“时间”时是不可数名词。对其提问用 how many times?sometime 某时。可指过去或将来的某个时候。对其提问用 when?some time 一段时间。常与 for 连用。对它提问用 how long 。口诀记忆:分开“一段时间” ;相聚“某个时候” 。重点句子点拨:1. How often do you exercise?你多久锻炼一次?(1)how often 是对表示频度的时间状语的提问,可翻译为“多久(一次) ”。【拓展】与 how 有关的短语:how far(距离)多远;how long(时间)多长;how many 多少(只可接可数名词

9、的复数形式);how much 多少(只可接不可数名词) ;how soon(时间)多久后(事情还要过多久才发生) ;how old(年龄)多大。(2)exercise 做动词时,可作及物动词,也可作不及物动词。例如:She exercises two or three times a week.她一周锻炼两三次。【拓展】exercise 作名词时,意为“锻炼;运动”时是不可数名词,意为“体操;练习”时是可数名词。例如:I should eat less food and take more exercise.我应该少吃饭,多锻炼。We do morning exercise every mo

10、rning.我们每天早上都晨练。2. Whats your favorite program? 你最喜欢的节目是什 么?点拨:(句型)Whats your favorite.? =What. do you like best?你最喜欢的是什么?例:Whats your favorite animal?=What animal do you like best?3Are you free next week? 你下周有空吗?点拨:free 意为“空闲的,有空的” ,反义词 busy。be free 意为“闲着,有空” 。例:He is free now.他现在有空。拓展:free 还可译为“免费

11、的” 。例:The tickets are free. 票是免费的。4I go to the movies maybe once a month. 我大概每月去看一次电影。点拨 1:go to the movies 看电影;2:maybe 意为“也许,大概,可能” ,常位于句首。may be“ 可能是,也许是。是情态动词+be 动词的结构。35. He plays at least twice a week. 他至少每周踢两次(球) 。点拨:at least 意为“至少” 。其反义词为 at most “最多” 。6. But my mother wants me to drink it. 但

12、我妈妈想让我喝它。点拨:want sb. to do sth. 意为“想让某人做某事” , 否定形式为 want sb. not to do sth. 意为“不想让某人做某事” 。 She wants me to bring him some pens. 她想让我给她带些钢笔。 7. She says its good for my health. 她说它对我的健康有好处。点拨:be good for 意为“对有益” 。反义词为 be bad for “对有害” 。例: Vegetables are good for you. 蔬菜对你有好处。拓展:be good at 擅长 ; be goo

13、d at doing sth. 擅长做 8. Here are the results.这是(调查)结果。here 位于句首,句子要倒装。当主语是名词性短语时,要用全倒装,即“here +谓语+主语” ;当主语是人称代词时,要用半倒装,即“here+ 主语+谓语” 。例:Here is your jacket.这是你的夹克。 Here he comes.他来到这儿。 Here comes the bus.汽车来了。9.twenty percent students dont exercise at all.百分之 20 的学生根本不锻炼。百分数由 percent 来表示,构成:基数词+perc

14、ent。例:Seventy percent of the boys like playing computer games. 男生中 70%喜欢完电脑游戏。not. at all 意为“一点儿也不,根本不” 。例:I dont know about it at all.对那件事我一点也不知道。10.Although many students like to watch sports,game shows are the most popular.尽管许多学生喜欢看运动类节目,但游戏类节目是最受欢迎的。Although:连词。意为“虽然,尽管” 。but 意为“但是” 。英语中,althoug

15、h 与 but 不能同时使用。例:Although it rained,the boys still played outside.= It rained,but the boys still played outside. 尽管天下雨了,但男孩们仍在外面玩耍。11. It is good to relax by using the Internet or watching game shows. 通过上网或看游戏类节目是很好的放松方式。 句中 it 为形式主语,真正的主语是后面的动词不定式短语。此句型结构为:Its+adj+(for sb.)+to do sth. 意为 “(对某人来说)做某

16、事是的” 。例:Its very important to listen carefully in class. 上课认真听讲很重要。Its easy for us to swim. 对我们来说游泳很容易。12. She says she is afraid. 她说她害怕。 点拨:afraid 意为“担心的,害怕的” 。(1)be afraid to do sth.害怕去做某事。 例:I am afraid to travel by plane. 我害怕乘飞机旅行。4(2)be afraid of sb. sth.害怕某人某物。例:Some children are afraid of the

17、 dark.有些小孩怕黑。 (3)be afraid of doing sth.害怕做某事。 例:Dont be afraid of asking questions.不要怕提问题。 典句必背1. Although many students like to watch sports,game shows are the most popular. 尽管许多学生喜欢看运动类节目 ,但游戏类节目是最受欢迎的。2. Here are the results.这是(调查)结果。3. It is good to relax by using the Internet or watching game shows. 通过上网或看游戏类节目是很好的放松方式。4. However,she has some bad habits,too.然而她也有一些坏习惯。5. She usually watches TV for more than two hours a day.她通常每天看两个多小时的电视。

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