人教新目标英语八年级上册unit2单元知识点总结+练习题( 无答案)

1、人教新目标英语八年级上册Unit2 How often do you exercise?on weekends 在周末 once a week on weekends 在周末 once a week 每周一次 go to the movies 去看电影 play tennis 打网球 play sports进行体育活动 not.at all 一点儿也不. such as比方；诸如 more than多于；超过have dance and piano lessons上舞蹈课和钢琴课help with housework 帮助做家务 hardly ever几乎从不be free有空swing da

2、nce 摇摆舞go to bed early早点睡觉go camping去野营the most popular最受欢迎的go to the dentist 去看牙医 at least 至少how often多久一次twice a month每月两次use the Internet 用互联网stay up late熬夜；睡得很晚be good for对有好处in ones free time在某人的业余时间 old habits die hard 积习难改less than 少于二、句型荟萃How about.?How about.?怎么样？ /好不好？How many+可数名词复数+一般疑问句

3、？有多少.?spend time with sb.和某人一起度过时光ask sb. about sth.向某人询问某事Whats your favorite?你最喜爱的是什么？How about.?怎么样？ /好不好？How many+可数名词复数+一般疑问句？有多少How about.?怎么样？ /好不好？How many+可数名词复数+一般疑问句？有多少.?spend time with sb.和某人一起度过时光ask sb. about sth.向某人询问某事Whats your favorite?你最喜爱的是什么？主+find+that从句发现Its+adj.+to do sth.做某

4、事是的。by doing sth.通过做某事the best way to do sth,做某事的最好方式二、单兀语法频度副词.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。.how often意为“多久一次 用来提问在某一段时间内进行某个动作的频率。其回答通常是 often sometimes never hardly ever always once a day once a week 等等表示频率的副词 或是短语。例:一She hardly e

5、ver watches TV.（划线提问）How often does she watch TV?例句理解：I. What do you usually do on weekends?I often go to the movies.一How often do you shop?一I shop once a week.一 How often does she exercise?She exercises every day.3.频度副词：表示频率不确定，都用how often进行提问频率短语表示频率确定-不确定的频度副词always (100%) usually (约 80%90%) ofte

6、n (约 60%) sometimes (约 30%) seldom (约 20%) hardly ever (约 10%) never (0%)表示确定的频率短语onceonce a week 每周一次once a week 每周一次every day/week/month/year once a week 每周一次twice a week每周两次 three times a day 一天三次twice a weektwice a week每周两次 three times a day 一天三次twice a month 一月两次注：三次或三次以次一般用“基数词+times”表示。在句中位置：

7、频度副词在句中通常放在be动词、助动词、情态动词之应 在实义动词之石忆例：She is often late for school.I can never be sure.He always helps me.课堂巩固练习：一、对划线局部提问He always plays basketball after school, does he always after school?They hardly ever play football.they play football?二、单项选择()1. -How oftenA. do)2.1A. not)3.she exercise?B. does-

8、二、单项选择()1. -How oftenA. do)2.1A. not)3.she exercise?B. does-Twice a week.C. doingD. didlike to drink milk.B. doesnt do you go swimming ?A. How oftenB. How longC. dont-Sometimes.C. how manyD. noD. How old)4. Katrina watches TV once)4. Katrina watches TV onceweek.)4. Katrina watches TV onceweek.A. a知识

9、扩展：B. theC. anA. a知识扩展：B. theC. anD. how long一多久（用来提问有多长时间）ten years等表示一段时间的状语。回答通常是more than two weeks for a weekten years等表示一段时间的状语。For three weeks.how soon用来提问“需要多长时间才会”，指某一动作要多长时间以后才能完成或发生。回答通常是“in+一段时间”例： 一How soon will you come back? 一In a week.【活学活用】L用 how far, how often, how long填空。1)does sh

10、e usually exercise?2)is it from your home to the school?3)have you been away from (离开)your hometown?答案：l)How often 2)How far 3)How long.了解以下频率副词，写出其汉语意思.always (100%)usually (80%)often (60%)sometimes (30%)hardly ever(l%)never (0%).【区别】How often 和 How many timesHow often用来提问某个动作间隔多久发生一次,即询问动作发生的频率。通常

11、对一些表示频 率的副词进行提问；也可以对频度短语进行提问。How many times意思是“多少次”，用来提问做某事的次数,往往就once, twice, three times等 词语进行提问。典型例题：Li Ming does his homework every day.(就划线局部提问)一How often does Li Ming do his homework?解析：every day属于频度短语，就频度短语提问用How often.The old man went to the zooJhreeJimcs this year.(就划线局部提问)How many times di

12、d the old man go to the zoo this year?解析：这里就次数提问用how many times.课堂巩固：一、用所给词的正确形式填空watch TV(one) a week.He watches TV(two) a week.Katrina(exercise) every day.5 .语法归纳特殊疑问词How的用法家族成员称呼职责how1）怎样；怎么2）多么1）指询问方式、方法；程度2）构成感叹句how old几岁询问年龄多大。how many多少询问可数名词的数量。how much1）多少（how many的李生兄）2）多少钱1）询问不可数名词的数量2）询问

13、价钱或钱的数量how far多远询问两地之间的距离。how often多久次（表频率）询问做某事多长时间一次。how long1）多久2）多长1）询问做某事花了多长时间2）询问物体的玉废how tall多高询问人或物的高度how fast多快询问速度四、单元知识讲解Section Ahelp with housework帮助做家务（教材第9页）help with sth.意为“帮助做某事” 拓展：help sb. with sth.=help sb. （to） do Sth,帮助某人做某事Eg: I often help him with his English.二 T often help

14、him （to） learn English.我经常帮他学习英语。housework意为“家务劳动不可数名词。They have housework to do.A. manyB. muchsometimes有时（教材第9页）辨析：sometimes , some times , sometime , some time sometimes有时候。=at times也是有时的意思。some times几次。time作可数名词时可作“次数2解；表示“时皿时是不可数名词。 sometime某个时候。可指过去或将来的某个时候。some time一段时间。常与for连用。对它提问用how long。口

15、诀记忆：分开“一段时间L相聚“某个时候工Eg： Sometimes I get up very late.有时我起床很晚。I will go to shanghai sometime next week.下周某个时候我要去上海。He reads the story some times.他读这个故事几遍了。ril stay here for some time,我将会在这儿呆一段时间。练习：We plan to stay in Hainan for .我们打算在海南呆一段时间。I am sure that we have met before.我肯定我们之前见过几次了。I have lette

16、rs from him.有时我会收到他的来信。hardly ever几乎不（教材第9页）hardly ever 相当于 hardlyeg： There is hardly any food left.几乎没有食物剩下。辨析：hardly 与 hardhardly几乎不，一般位于动词之前。hard努力，位于动词之后。eg： He hardly works.他几乎不工作。He works hard.他工作努力。use the Internet用互联网（教材第10页）use sth. to do sth.用某物做某事eg： I use a knife to cut bread.我用刀切面包。短语：o

17、n the Internet在网上，surf the Internet网上冲浪,上网Whats your favorite program?你最喜欢的节目是什么？（教材第10页） 句型：Whats your favorite.?二Whatdo you like best?你最喜欢的是什么？.What your favorite animal?你最喜欢的动物是什么？Are you free next week?你下周有空吗？（教材第10页）free意为“空闲的，有空的，反义词busy。be free意为“闲着,有空”eg: ： He is free now.他现在有空。拓展：free还可译为“免

18、费的”Eg ： The tickets are free.票是免费的。. next week is quite full for me下周对我来说相当忙（教材第10页）quite full很忙，相当忙.拓展：i.fun还可译为“满的，充满的”。Eg： The bus was full when they got there. 翻译2.full还可译为“饱的”。Eg： I can9t eat any more, I am quite full.我不能再吃了,我相当饱了。How come?怎么回事？怎么会？（教材第10页）本句用来表示对某事感到很奇怪，有点想不通。have dance and pi

19、ano lessons.我要上舞蹈课和英语课。（教材第1（）页）have在此意为“上课”。Eg: They9re having an English lesson.他们正在上英语课。扩展：have lessons 上课，Lesson One 第一课1（）. Well, how about Tuesday?哦，那周二呢？（教材第 1（）页）How about.? （=What about.?）意为”怎么样？，用来征求对方的意见。Eg: How about this book?这本书怎样？How / What about doing sth,？做怎么样？Eg： What will we do on

20、 Sunday?星期天我们什么？How about visiting the museum? 去参观博物馆咋样？1. It9s sunny today, What about （play） tennis?11.1 go to the movies maybe once a month.我大概每月去看一次电影。（教材第11页）go to the moviesmaybe意为“也许，大概，可能”，常位于句首。Eg： Maybe he knows Tom.也许他认识Tom。辨析： may bn 和 may be1. Lily an English teacher. Lily可能是一名英语老师。mayb

21、e ”也许，大概，可能”。（一般放句首）Nlaybe you are right.也许你是对的。may be 可能是,也许是“。为“情态动词+be 动词”结构。（位于句中）You may be right.你也许是对的。12. He plays at least twice a week.他至少每周踢两次（球）。（教材第11页）at least意为“至少”。其反义词为at most“最多Eg： There are at least 1,500 students in our school.oSection BBut my mother wants me to drink it.但我妈妈想让我喝

22、它。（教材第12页）want sb. to do sth.意为“想让某人做某事“，否认形式为want sb. noLLD do sth.意为“不想让某人 做某事Eg： She wants me to bring him some pens.她想让我给她带些钢笔。拓展：Lwant sth.想要某物Do you want any story books?你想要些故事书吗？2.want to do sth.想要做某事I want to visit my uncle.我想去看望我的叔叔。Do you want （tell） me anything?She says iVs good for my he

23、alth.她说它对我的健康有好处。（教材第12页）be good for意为“对有益。反义词为be bad for 对有害”。Eg: Vegetables are good for you.蔬菜对你有好处。拓展：be good at 擅长.be good at doing sth.擅长做am good at （play） basketball.Last month we asked our students about their free time activities.上个月我们向学生询问 了他们 业余活动的情况。（教材第12页）ask sb. about sth.”询问某人关于某事”Eg

24、:I asked my teacher about todays homework.oHere are the results.这是（调查）结果。（教材第13页）here位于句首,句子要倒装pEg： Here is your jacket.这是你的夹克。.twenty percent students dont exercise at all.百分之 20 的学生根本不锻炼。（教材第 13 页）.百分数由percent来表示，构成：基数词+percent。Eg： Seventy percent of the boys like playing computer games.男生中 70%喜欢完

25、电脑游戏。. not. at all意为“一点儿也不，根本不”。Eg： I dont know about it at all.对那件事我一点也不知道。拓展：not at all = you are welcome意为“不用谢，不客气Eg： Thank you for your help.Not at all.Although many students like to watch sports, game shows are the most popular.尽管询:多学生喜欢看运动类节目，但游戏类节目是最受欢迎的。（教材第13页）although连词。意为“虽然，尽管“。but意为“但是”

26、。英语中，although与but不能:同时使用。Eg： 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。My cousin knows a lot about geography, he is only four years old.A. becauseB. soC. althoughA. becauseB. soC. althoughIt is good to relax by using the Interne

27、t or watching game shows.通过上网或看游戏类节目是很好的放松方式。（教材第13页）句中it为形式主语,真正的中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）做某事是的”。Eg： Its very important to listen carefully in class.上课认真听讲很重要。If s easy for us to swim.对我们来说游泳很容易。ts very hard fbr him to study English.I often have hamburgers for u

28、nch.-Youd better not. Its bad for you too much junk food.A.eatB.to eatC.eatingD. ateExercise such as playing sports is fun, and you can spend time with your friends and family as you play together.比方进行体育活动这方面的锻炼就是有趣的，当你们一起运动的时候你 可以和朋友、家人一起度过时光。（教材第13页） such as意为“比方，例如”。Eg: I have a lot of hobbies, s

29、uch as reading and singing.我有许多爱好，比方读书和唱歌。 spend意为“度过”或“花费（时间、金钱）Eg: Come and spend the weekend with us.来和我们一起度过周末吧。重点：1. spend timemoney on sth, 在上花费时间或金钱He didnt spend much time on his homework.他没在作业方面花很多时间。I spend 200 yuan on a new coat. 2. spend timemoney （in） doing sth.花费时间或金钱做某事Dont spend too

30、much time watching TV.不要花费太多时间看电视。He always spend his time playing football. Eg: I enjoy playing computer games,but I cant too much time that.A.take, doingC.spend, for doingB.spend, doing D.take, to doHowever,she has some bad habits,too.然而她也有一些坏习惯。（教材第 15 页） however意为“然而，不过”。可以位于句首、句中、句末。但要用逗号与句子的其他

31、部 A.take, doingC.spend, for doingB.spend, doing D.take, to doEg: She was ill. However she still went to work.她病 了,然而她依然去上班。辨析：but 和 howeverbut “然而，但是。可直接连接前后两个句子，表转折关系。However“然而，但是: 不能直接连接句子，必须用逗号与句彳隔开。Eg:l.It began to rain,we went out to look for the boy.天开始下雨了，但我们还是出去寻找那个男孩了。2. It a sunny morning

32、, very cold.这是个晴朗的早晨，但是却很冷。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。（教材第15页）more than相当于over。意为“超过，多余”。There are more than 2000 books. She says she is afraid.她说她害怕。（教材第15页）afraid意为“担忧的,害怕的”。.be afraid to do sth. 害怕做某事Eg： I am afraid to travel by plane.我害怕乘飞机旅行。.be afraid o

33、f sb. sth.害怕某人某物be afraid of doing sth. 害怕做某事Eg： She is afraid of the dog.她害怕那只狗。Dont be afraid of asking questions.不要怕问问题。be afraid to do sth.= 害怕做某事Less than six.少于 6 4的。（教材第 16 页）Less than意为“不到，少于”。其反义词为more than over “多余，超过“Eg： She sleeps less than seven hours every night.他每晚的睡眠时间不到 7 小时。We know Tom for 20 years.我们认识 Tom超过 20 年了。一.选择填空()1. 一How often Mary exercise?一Twice a week.A. do B. does C. doingD. did()2. Good food and exercise me to study better.A. help B. helps C. helping D.