人教版八年级上册-Unit2知识点讲解与练习
Unit2 How often d o you exercise?Section A知识讲解一. help with housework 帮助做家务1. help with sth. 意为“帮助做某事”2. help sb. with sth. = help sb. _______ sth. 帮助某人做某事Eg: I often help him ______ his English. = I often help him __________ English. 我经常帮他学习英语。
【拓展】1. help oneself to… 请随便吃/喝···Please help yourself to some cakes.2.can’t help doing sth 情不自禁做某事I can’t help falling in love with that girl. 我情不自禁爱上那个女孩。
二．housework 意为“家务劳动”。
不可数名词。
1. They have housework to do. A. many B. much三. sometimes 有时辨析：sometimes ，some times ，sometime ， some timesometimes 有时候。
=at times= from time to time也是“有时”的意思。
some times 几次。
time作可数名词时可作“次数”解；表示“时间”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 。
口诀记忆：分开“一段时间” ；相聚“某个时候”。
练习：① We plan to stay in Hainan for . 我们打算在海南呆一段时间。
② I am sure that we have met before. 我肯定我们之前见过几次了。
③ I have letters from him. 有时我会收到他的来信。
四. hardly ever 几乎不①hard作形容词时，意为“困难的；硬的；勤奋的；严厉的；苛刻的”。
hard作副词时常用来表示程度，意为“努力地；猛烈地；剧烈地”，This ground is too hard to dig. 这块地太硬，挖不动。
They tried hard to succeed. 他们努力工作，以求得成功。
②Hardly 副词，意为“几乎不”后，不表示频率。
常用来修饰表示能力的词，如can, could等。
He can hardly play football. 他几乎不会打篮球。
There is hardly any coffee left. 几乎没有剩余的咖啡了③hardly ever是表频率的副词，意为“几乎不；几乎没有”，相当于almost not, seldom。
练习：There is ______ ______food left. 几乎没有食物剩下。
He ______ ______ . 他几乎不工作。
He ______ ______. 他工作努力。
五．What’s your favorite...? =What... do you like best？你最喜欢的......是什么？1.What’s your favorite animal？你最喜欢的动物是什么？= __________________________________________六. 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“免费的”Eg：The tickets are free. 票是免费的。
七． quite full 很忙，相当忙.1. adj. full 还可译为“满的，充满的”。
反义词是empty，意为“空的”。
Eg：The bus was full when they got there. 翻译________________________________________.拓展：A be full of B. = A be fill with B; A中充满了B。
The room is full of students. The bus is full of people.The hall is _______ people. A. fill with B. full with C. filled of D. filled with2.full adj. “饱的”。
其反义词是hungry，意为“饥饿的”。
Are you hungry or full？你饿了还是饱了？Eg：I can’t eat any more，I am quite full. 我不能再吃了，我相当饱了。
八． maybe “也许，大概，可能”，常位于句首。
Eg：Maybe he knows Tom. 也许他认识Tom。
辨析：maybe 和may beLily an English teacher. Lily可能是一名英语老师。
=________________________________________九.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. _____________________________________。
十. how often意为“多久一次”，常用于对时间频率的提问。
回答可用once/twice/three times a day(一天一/两/三次)，sometimes(有时)，never(从不)，very often(经常)等。
How often do you watch TV? 你多久看一次电视？十一.look、see、watch和read辨析：look为不及物动词，后接宾语时须用介词at，指看的动作。
see着重于看的后果，即“看到，看见”。
read多指“看书、报”，这里的“看”实为“读”。
watch表示“注视，观看，监视”之意。
也常用于“看电视，看比赛”等短语中。
一． want sb. to do sth. 的否定形式为want sb. _____to do sth.Eg：She wants me to bring him some pens. 否定：She wants me__________________ him some pens.拓展：1.want sth. 想要某物 2.want to do sth. 想要做某事3. want (sb.)to do sth.=would like/love (sb.)to do sth.二． 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】1.be good to“对…好”，其反义短语为be bad to“对…不好”。
2. be good at“在…方面擅长”， at后面常接名词、代词或动词-ing形式，同义短语为do well in。
She is good at English and Chinese. = She does well in English and Chinese. 她擅长英语和汉语。
I am good at __________________（play）basketball.3. be good with “和…相处得好；擅于和…相处”。
Are you good with children? 你和孩子们相处得好吗？Eg:I asked my teacher about today’s homework.三. Here are the results. 这是（调查）结果。
here 位于句首，句子要倒装。
Here is + 单数名词。
Here are + 复数名词.Eg：Here is your jacket. 这是你的夹克。
四. 1. 百分数由percent来表示，构成：基数词+percent ，常用“数词＋percent of＋名词”这一结构作主语时，谓语的单复数要看percent of 后跟的名词，如果是可数名词复数，谓语应该用复数，如果是不可数名词，谓语应该用单数Thirty percent of the students ______ ( like) watching game shows.70 percent of water _______ ( be ) salty water(盐水)。
五．surprised 惊奇的，感到意外的1. be surprised at sb. / sth. / doing sth.对…感到惊奇， We are surprised at the news.2. be surprised to do sth.对做某事感到惊讶。
I’m very surprised to meet you here.3. be surprised that + 从句.因…而感到惊讶。
I’m surprised that he came here on time.【拓展】 surprising 令人惊讶的to one’s surprise 令某人惊讶的是in surprise 惊讶地；吃惊地六．the answers to questions问题的答案the way to sp 去某地的路七 . most students = most of the students 大多数学生1. most +复数名词. Most birds can fly.大多数鸟儿会飞. __________ 大部分时间2. most of + 限定词+复数名词 most of the girls , most of my friends3. most of + 人称代词宾格 most of them / us______ the students like reading the story. A. Most B. Most of4. the +most +多音节形容词，表示最高级，意为“最”。
This is the most beautiful flower. 这是最漂亮的花。
如果most前有不定冠词a，则表示“非常；很”，相当于very。
She is a most beautiful girl. 她是个非常漂亮的姑娘。
八年级上册英语unit2知识点人教版
八年级上册英语unit2知识点人教版Unit2主要涉及的知识点包括：一般现在时、第三人称单数形式、时间状语、频率副词、情态动词can及其用法、情态动词must及其用法、情态动词should及其用法。
一、一般现在时一般现在时是表示经常性、习惯性或普遍真理的动作或状态。
其构成为“主语+现在时动词原形”。
例如：She sings very well. (她唱歌非常好。
)He usually goes to school by bike. (他通常骑自行车上学。
)二、第三人称单数形式第三人称单数形式是在一般现在时的基础上加上s或es。
需要注意的是，如果动词以sh、ch、x、o结尾，应在动词后面直接加es。
例如：He plays basketball very well. (他打篮球非常好。
)She teaches English to us. (她教我们英语。
)三、时间状语时间状语是指在句子中修饰时间的词汇。
常用的时间状语包括：always、usually、often、sometimes、rarely、never等。
例如：I always get up early in the morning. (我总是早起。
)He never eats junk food. (他从不吃垃圾食品。
)四、频率副词频率副词是指表示动作发生次数的副词。
常用的频率副词包括：always、usually、often、sometimes、rarely、never等。
例如：We usually eat breakfast at home. (我们通常在家吃早餐。
)She rarely goes to the movies. (她很少去看电影。
)五、情态动词can及其用法can表示“能够”，用于表示某人能够做某事。
can的否定式为can't。
例如：I can swim very well. (我会游泳。
)He can't play soccer. (他不会踢足球。
人教新目标英语八年级上册Unit2知识讲解+练习题(含答案)
人教新目标英语八年级上册Unit 2 How often do you exercise?词句精讲精练撰稿：审稿：词汇精讲1. maybemaybe是副词，意思是“也许，可能”，在句中作状语，相当于perhaps，常位于句首。
例如：Maybe she’ll come this afternoon. 她可能今天下午来。
Maybe you put the letter in your pockets. 大概你把信放在衣袋里了。
【拓展】（1）maybe和may be的辨析：maybe是副词，而在may be中，may是情态动词，be是动词原形，两者构成完整的谓语形式，与主语形成系表结构，意为“也许是、可能是”。
例如：I can’t find my watch. It may be in your pocket.我找不到我的手表了，它可能在你的口袋里。
He may be a soldier. 他可能是军人。
（2）maybe和may be可相互转换。
例如：He may be in the office. = Maybe he is in the office. 他或许在办公室。
You may be right. = Maybe you are right. 你或许是对的。
2. althoughalthough的意思相当于though，意为“尽管，虽然”，用来引导让步状语从句。
它所引导的从句不能与并列连词but; and; so等连用，但可以和yet; still等词连用。
例如：Although he lives alone, he doesn’t feel lonely.= He lives alone, but he doesn’t feel lonely.虽然他一个人住，但他并不感到孤独。
There is air all around us, although we cannot see it.虽然我们看不见空气，但空气却存在于我们的周围。
人教版八年级英语上册Unit 2重要知识点讲解
Unit2How often do you exercie?重要知识点讲解惯用法：1. help sb. with sth 帮助某人做某事2. How about…? ….怎么样？/ ….好不好？3. want 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…..5. 主语+ find+ that 从句…发现…6. It’s + adj.+ to do sth. 做某事是….的7. spend time with sb. 和某人一起度过时光8. ask sb. about sth. 向某人询问某事9. by doing sth. 通过做某事10. What’s your favorite…..? 你最喜欢的……是什么？11 start doing sth. 开始做某事12. the best way to do sth.做某事的最好方式词语辨析：1. how often 多久一次，用来提问动作发生的频率。
回答用：once，twice, three times 等词语。
How often do you play sports? Three times a week.how long 多长，用来询问多长时间，也可询问某物有多长。
How long does it take to get to Shanghai from here? How long is the ruler?how for 多远，用来询问距离，指路程的远近。
How far is it from here to the park? It’s about 2 ki lometers.2.free 空闲的，有空的，反义词为busy.be free 有空，闲着，相当于have time.I’ll be free next week. = I’ll have time next week.还可作“免费的、自由的”解。
人教版英语八年级上册Unit2知识点总结与训练
Unit2How often do you exercise?23.more than 多于；超过 24.less than 少于25.at least 至少 26.have dance and piano lessons 上舞蹈课和钢琴课用法集萃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…?5.主+find+that从句. ……发现……6.spend time with sb. 和某人一起度过时光7.It’s+ adj.+ to do sth. 做某事是……的。
8.ask sb.about sth. 向某人询问某事9.by doing sth. 通过做某事10.What’s your favorite……? 你最喜爱的…是什么？11.the best way to do sth. 做某事的最好方式12.(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 helps 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。
人教版八年级英语上册Unit2知识点汇总总结
人教版八年级英语上册Unit2知识点汇总总结01.重点短语1. help with housework 帮着做家务2. use the Internet 使用互联网3. go to the movies 去看电影4. my favorite TV program ( s）我最喜欢的电视节目5. how often 多久一次6. have dance and piano lessons 上舞蹈与钢琴课7. swing dance 摇摆舞 swung ( swing 的过去式）8. hardly ever 几乎从不9. play tennis with friends 与朋友打网球10. stay up late 熬夜11. eat a healthy breakfast 吃一顿健康的早餐12. play sports 进行体育运动13. at least / at most twice a week 一周至少／最多两次14. be good for my health 有利于我的健康 healthy ( health 的形容词形式）15. eat junk food 吃垃圾食品16. drink coffee 喝咖啡 drank ( drink 的过去式）17. No.5 High School students 第5中学学生18. in one’s free time 在某人的空余时间19. ask them about their free time activities 询问他们关于他们的业余活动20. not … at all 根本不…21. go online 上网22. be surprised that .．感到惊讶23. use it for fun 为了取乐而使用它24. the answers to the questions 这些问题的答案25. one to three times a week 一周一到三次26. two percent of the students 2％的学生27. the best way to do sth.做某事的最好方式28. such as 例如29. spend time with your friends 与你的朋友共度时光spent ( spend 的过去式）30. spend time on sth./ in doing sth．花时间在某事上／做某事31. play together 一起玩32. watch TV for over 2 hours 看两个多小时电视33. go to the dentist 去看牙医34. a 16-year-old high school student 一名16岁的中学生35. have a lot of good habits 有许多好习惯36. more / less than two hours 多／少于两小时37. go to the dentist for teeth cleaning 去牙医处清洁牙齿38. go to the shopping center 去购物中心02.重点句子语法聚焦1. --What do you usually do on weekends?你在周末通常做什么？--I always exercise.我总是锻炼。
人教版八年级英语上册Unit1-Unit2知识点详解和练习试卷
人教版八年级英语上册Unit1-Unit2知识点详解和练习试卷一、课堂讲解1、tayhealthy=keepingoodhealth保持健康2、giveb.th.=giveth.tob.把某物给某人3、needtodoth.需要做某事4、keep/tay/behealthy=keep/tay/beingoodhealth=keepfit保持健康5、take/doe某ercie=play/doport锻炼,做运动6、betheamea与……相同7、bedifferentfrom不同8、afor至于；关于9、ofcoure=ure当然；确信10、lookafter=takecareof=carefor照顾；照看11、alotof=lotof=plentyof许多；大量12、hardlyever几乎不13、begoodfor对……有益14、trytodoth.尝试做某事15、getgoodgrade取得好成绩16、helpb.[to]doth.帮助某人做某事17、kindof有点18、eatinghabit饮食习惯1、want[b.]todoth.想要（某人）做某事2、betreedout紧张的；有压力的3、atthemoment=rightnow=now现在(atthatmoment过去进行式)4、What'thematter=What'wrong=What'theproblem怎么了？5、lie(-lay-lain;lying)downandret躺下休息6、eeadoctor看病7、eeadentit看牙医8、hopetodoth.希望做某事9、it'+adj.+[forb.]+todoth.做某事（对某人来说）……（加形容词）10、gettired感到疲倦11、have/catcha(bad)cold=havegota(bad)cold患（重）感冒12、haveaorethroat=haveapaininone'throat喉咙痛13、haveatomachache=haveaoretomach=haveapaininone'tomach胃痛14、haveaoreback背痛15、haveatoothache牙痛16、havea(high)fever=havea(high)temperature发（高）烧17、lookwell(healthy)看起来很健康18、drinkhotteawithhoney喝加蜂蜜的热茶19、drinklotofwater多喝水20、oundlikeagoodidea听起来像个好主意。
初中英语 人教版八年级上册 Unit 2 重点词汇、词组复习及练习
人教八上Unit 2 How often do you exercise重点词汇、词组及练习一、重点单词1. housework n 家务劳动；家务事2. hardly adv 几乎不；几乎没有3. together adv. 在一起；共同4. although conj. 虽然；尽管；即使5. twice adv. 两次；两倍6. result n. 结果；后果7. health n. 健康；人的身体（或精神）状态8. full adj. 忙的；满的；充满的9. swing n. 摆动；秋千n. （使）摆动；摇摆10. die v. 消失；灭亡；死亡11. least adv. 最不；最少adj. & pron. 最小的；最少的12. dentist n. 牙科医生13. magazine n. 杂志；期刊14. however adv. 然而；不过15. almost adv. 几乎；差不多16. point n. 得分；点v. 指；指向二、重点短语1. how often 多久一次2. help with housework 帮助帮家务3. hardly ever 几乎从不4. on weekends 在周末5. not…at all 上点儿也不6. twice a month每月两次7. be free 有空= in one’s free time 在某人的业余时间8. go to the movies 去看电影9. more than 多于10. be good for 对…..有好处11. junk food 垃圾食品12. such as 例如；像……这样13. stay up late 熬夜；睡得很晚14. at least 至少；不少于；起码15. play sports 进行体育活动16. go online 上网17. the best way to do sth. 做某事的最好方式三、词性转换1. one—once(副词)2. empty/ hungry—full(反义词)3. little—less(比较级)—least(最高级)4. healthy adj.健康的—health(名词)5. body n. 身体—bodies (复数)6. die v.死亡—dying (现在分词)—died (过去式)7. write v. 写—writer (名词，指人)—wrote(过去式)四、巩固练习I.写单词。
人教版八年级上册英语unit2知识点及习题
人教版八年级上册英语unit2知识点及习题XXX the words "sometimes" and "XXX"。
"XXX。
while "sometime" means at some point in time。
For example。
in Unit 2 of our textbook。
we learn how often we exercise。
We can use phrases like "hardly ever"。
which means almost never。
or "once a week"。
which means once every seven days。
Some people exercise twice a month。
while others exercise every day。
In our free time。
we might help with housework or go to the movies。
use the。
or learn swing dance。
We might play tennis or stay up late。
but it'XXX。
XXX percent of the students have dance and piano lessons。
and many play sports or go XXX are good for our physical and mental health。
However。
old habits die hard。
and some people may not enjoy exercise at all。
In their free time。
they might read books or watch TV instead。
人教版英语八年级上册Unit2知识点总结与训练
Unit2Howoftendoyouexercise?短语归纳l.helpv/ithhouseivork帮助做家务 2.onv；eekends在周末3.how cften多久一次丄hardlyever几乎从不.oncea^veek每周?丈 6.t^vice a nion±每月两次7.befree有空£去看电凳e±eInternet用占1联网10.swingdaiice揺摆舞11.playtennis打郦求ay uplate款夜；睡得很晩13.gctobedearly早点睡觉14.playsports进行体■育活动15..13good,for对有好处15.gocamping去野营17.not...at all—点儿也不IS.inone's ume在某人的业余时jj19.the mo stpopular最受欢迎的20.such as比如；诸如21.old habits diehard积习难改22ec tothe dentist去看才医23.morethan多于；超过24.lessthan少于25.atleast至少26.havedanceandpianolessons上舞蹈课和钢琴课用法集萃1.helpsb.withsth.二helpsb(to)dosth帮助某人做某事2.Howabout…？二Whatabout…怎么样？/好不好？3.wantsb.todosth.二wouldlikesbtodosth想让某人做某事4.Howmany+可数名词复数+—般疑问句？…有多少…？5.主+find+that从句.发现6.spendtimewithsb.和某人一起度过时光7.1t's+adj.+todosth.做某事是的。
&asksb.aboutsth.向某人询问某事9.bydoingsth.通过做某事10.What'syourfavorite?你最喜爱的…是什么？11.thebestwaytodosth.做某事的最好方式。
人教版英语八年级上册Unit 2知识点详解及练习
Unit2 How often do you exercise?1. hardly /hɑ:dlɪ/ adv. 几乎不，几乎没有1. Zhang Hao ____ watches TV. He likes using the Internet.A. hard everB. hardly everC. doesn’t hard everD. doesn’t hardly ever2. He hardly does his homework at home, ____?A. is heB. isn’t heC. does heD. doesn’t he【参考答案】1. B 2. C2. once /wʌns/ adv. 一次，曾经I go shopping with my mother _____ a month.A. one timeB. two timesC. onceD. three time 【参考答案】C3. twice /twaɪs/ adv. 两次，两倍We should think _____ before we make a decision.A. carefulB. twiceC. onceD. three times 【参考答案】B4. Internet /'ɪntənet/ n. （国际）互联网，因特网How often do you ______?A. find the InternetB. surf the internetC. surf the InternetD. find the internet【参考答案】C5. full /fʊl/ adj. 忙的；满的，充满的The glass _____ water.A. fillB. filled withC. full ofD. is full of 【参考答案】D6. maybe /'meɪbɪ/ adv. 大概，或许，可能辨析：maybe与may be—Did you see Richard?—No. he is in the playground.A. MightB. May beC. MaybeD. May 【参考答案】C7. at least 至少，不少于，起码Although the food I cooked wasn't delicious, _____ I could cook myself.A. at leastB. at lastC. because ofD. at all 【参考答案】A8. percent /pə'sent/ n. 百分之……1. Fifteen percent of the students __________ (come) from China.2. Thirty percent of his hair _____ (be) white.【参考答案】come, is9. online /ˌɒnˈlaɪn/ adj.&adv. 在线（的），联网（的）1. 一些在线游戏非常有趣。