《八年級英語上冊 Unit 2 How often do you exercise短語、語法知識點(diǎn)匯總 （新版）人教新目標(biāo)版（通用）》

1、unit 2 how often do you exercise一、必背短語。1.去看電影go to the movies2.多久一次how often3.幾乎從不hardly ever4.在周末on the weekend/on weekends5.一周一次once a week6.一周兩次twice a week7.一個(gè)月三次three times a month8.使用互聯(lián)網(wǎng)use the internet9.充滿be full of10.上鋼琴課have piano lessons11.不得不做某事have to do sth.12.幫助做家務(wù)help with housework13

2、.至少at least14.至多at most15.保持健康keep healthy/keep in good health16.的結(jié)果the result of17.百分之二十twenty percent18.對有益be good for19.對有害be bad for20.垃圾食品junk food21.多少個(gè)小時(shí)how many hours22.做運(yùn)動(dòng)play/do sports23.在某人空閑時(shí)間in ones free time24.根本不；一點(diǎn)也不notat all25.詢問關(guān)于askabout26.熬夜stay up late27.一個(gè)16歲的男孩a 16-year-old bo

3、y28.超過、多于more than29.少于less than30.放松的最好方式the best way to relax【教材內(nèi)容解析】section a1. what do you usually do on weekends? (p. 9)on weekends意為“在周末”，泛指每個(gè)周末，on the weekend則表示“在這個(gè)周末”，特指某個(gè)周末；在英式英語中，在周末也可以用at the weekend或者at weekends。i like going fishing on weekends.he wants to do something special on the we

4、ekend.2. help with homework (p. 9)help表示“幫助”時(shí)，常用的句型為：help sb. with sth. 幫助某人某事；help sb. (to) do sth. 幫助某人做某事。can you help me with my homework?he often helps his mother clean do housework.3. sometimes (p. 9)sometimes是頻度副詞，意為“有時(shí)”，相當(dāng)于at times。i sometimes play computer games on weekends.【拓展】辨析sometimes,

5、 some times, sometime與some timesometimes有時(shí)sometimes he had lunch at school.some times幾次、幾倍ive been to the museum some times.sometime某時(shí)i will visit daming sometime this summer vacation.some time一段時(shí)間she has lived here for some time.4. hardly ever (p. 9)hardly作副詞，表示“幾乎不”；hard用作副詞表示“努力地、猛烈地”，作形容詞表示“硬的、困

6、難的”。he hardly works.he works hard.this is a hard work.5. how often do you watch tv? (p. 9)how often意為“多久一次”用來提問頻率，常用表示頻率的副詞或者短語來回答，如twice a week, sometimes, every day, always等。-how often do you play sports?-three times a week.【拓展】辨析how long, how soon和how oftenhow long“多長時(shí)間”，提問for和since引出的時(shí)間狀語-how lo

7、ng did you stay there?-for about two weeks.how soon “多久”提問“in+一段時(shí)間”-how soon will they come back?-in two weeks.how often“多久一次”，提問動(dòng)作發(fā)生的頻率-how often do you go home?-once a week.how far“多遠(yuǎn)”，提問距離的遠(yuǎn)近-how far is it from your home to school?-three kilometres.6. use the internet (p. 10)internet作名詞，表示“互聯(lián)網(wǎng)、因特

8、網(wǎng)”，常用的短語為：on the internet“在互聯(lián)網(wǎng)上”；surf the internet“上網(wǎng)”。you can find much useful information on the internet.most of the students like surfing the internet.7. hi, claire, are you free next week? (p. 10)free作形容詞表示“空閑的、有空的”，be free相當(dāng)于have time。i will be free next week.=i will have time next time.【拓展】fr

9、ee作形容詞，還可以表示“免費(fèi)的、自由的”，be free to do sth.“自由地做某事”。the tickets are free.you are free to come and go.8. how come? (p. 10)how come意為“為什么呢、怎么回事”，用于詢問某事為什么會(huì)發(fā)生，可以單獨(dú)使用也可以后接陳述句。how come you didnt wait for me for a while?9. well, how about tuesday? (p. 10)how about相當(dāng)于what about意為“怎么樣”，用來征求對方意見或者詢問情況，后接名詞或者動(dòng)名詞

10、。its sunny today. how/what about playing tennis?10. oh, i have to play tennis with my friends. (p. 10)have to表示“不得不、必須”，強(qiáng)調(diào)客觀需求；must側(cè)重主觀上自己認(rèn)為有必要做某事。it is getting dark. i have to go home now.we must care for our parents.11. i go to the movies maybe once a month. (p. 11)maybe作副詞，表示“可能、也許”，常常放在句首，可以與may

11、 be相互轉(zhuǎn)換。maybe he is a foreigner.=he may be a foreigner.12. how often do they stay up late? (p. 11)stay up意為“熬夜”，表示“為熬夜”時(shí)，用“stay up for sth.”。it is a bad habit to stay up late.13. he plays at least twice a week. (p. 11)at least表示“至少”，反義詞為at most“最多”。there are at least 10,000 students in our school.he

12、 can carry three boxes at most.section b1. she says its good for my health. (p. 12)(1) be good for意為“對有益”，反義詞是be bad for“對有害”。doing sports is good for you.(2) health是不可數(shù)名詞，意為“健康”，in good health表示“很健康”，形容詞為healthy，副詞是healthily。to keep healthy, you should eat healthily.2. last month we asked our stude

13、nts about their free time activities. (p. 13)ask sb. about sth.意為“詢問某人某事”。someone is asking lucy about the wonderful building.3. here are the results. (p. 13)here和there置于句首，謂語動(dòng)詞是be動(dòng)詞或者come, go等不及物動(dòng)詞時(shí)，主語為名詞時(shí)，用倒裝結(jié)構(gòu)，即主謂調(diào)換位置，若主語是代詞時(shí)，主謂不倒裝。here comes the bus.there he goes.4. we found that only fifteen pe

14、rcent of our students exercise every day. (p. 13)percent表示“百分之”，常用“基數(shù)詞+percent+of+名詞”，“percent of+名詞”作主語時(shí)，謂語動(dòng)詞的單復(fù)數(shù)取決于名詞的單復(fù)數(shù)。seventy percent of the boys like playing computer games.ninety of the work is finished.5. and twenty percent do not exercise at all!(p. 13)not.at all意為“一點(diǎn)兒也不、根本不”；not at all表示“

15、沒關(guān)系、不用謝”。i dont know about it at all.-thank you very much.-not at all.6. we all know that many students often go online.(p. 13)此處online用作副詞，表示“在線、聯(lián)網(wǎng)”，也可以用作形容詞，意為“在線的、聯(lián)網(wǎng)的”。many people like buying things online.the online games are popular with children.7. the answers to our questions about watching t

16、elevision were also interesting. (p. 13)名詞answer后常跟介詞to，表示“的答案”，類似的名詞還有key，solution，ticket。your answer to the question is right.8. although many students like to watch sports, game shows are the most popular. (p. 13)although用作連詞，表示“雖然、即使”，相當(dāng)于though，用來引導(dǎo)讓步狀語從句。在英語中，although/though和but不能同時(shí)出現(xiàn)。although

17、it rained heavily, the boys played outside.=it rained heavily, but the boys played outside.9. it is good to relax by using the internet or watching game shows, but we think the best way to relax is through exercise. (p. 13)(1) by可以用來表示方式，意為“通過”，后接名詞或者動(dòng)名詞短語。he usually goes to work by bus.the man make

18、s a living by selling newspapers.(2) way表示“方法”時(shí)，后常接動(dòng)詞不定式或者of doing作定語。can you think out a way to open the door/of opening the door?10. exercise such as playing sports is fun, and you can spend time with your friends and family as you play together. (p. 13) (1) such as一般用于列舉同一類人或物中的一個(gè)例子，但必須數(shù)量少于前面所提及的

19、總數(shù)，只能放在所列舉的名詞前；for example一般用于列舉一個(gè)例子，后面經(jīng)常加上一個(gè)句子，位置很靈活，可位于句首、句中，于被列舉的事例之間用逗號隔開。i like fruit; for example, i often eat bananas in the evening.he knows several languages, such as english and chinese.(2) sb. spend+時(shí)間/金錢+on sth. “在某事上花費(fèi)多長時(shí)間或者多少錢”； sb. spend+時(shí)間+(in) doing sth.“花費(fèi)多長時(shí)間做某事”the man spent the

20、whole day on his speech.the family spent 10,000 dollars on their trip.the boy has spent two hours playing the computer games.【拓展】辨析spend, pay, take和costspend主語是人spend.on sth./spend.(in) doing sth.pay主語是人pay for sth./pay +金錢. for sth.take 主語是itit takes sb.+時(shí)間+to do sth.cost主語是物sth. costs sb.+金錢11. ja

21、ne is a 16-year-old high school student in the united states. (p. 15) 16-year-old意為“16歲的”，其中的名詞用單數(shù)形式，在句中作定語，16 years old表示“16歲”，在句中作表語。li bo is a seven-year old boy.=li bo is seven years old.12. however, she has some bad habits, too. (p. 15) (1) however作副詞，表示“但是、然而”，常位于句首，后面常常跟有逗號隔開。the boy eats muc

22、h every meal. however, he is very thin.(2) also, too, as well與either都可以表示“也”，但是用法不同。also放在句中行為動(dòng)詞前，be動(dòng)詞、助動(dòng)詞和情態(tài)動(dòng)詞之后。he also wants to go.too用于肯定句中，放在句尾，前面用逗號隔開。he wants to go, either.as well用于肯定句中，放在句尾，前面不用逗號隔開。he wants to go as well.either用于否定句句末。he doesnt want to go either13. she says she is afraid.

23、(p. 15) be afraid of意為“害怕、不敢”，后接名詞、代詞或者動(dòng)名詞。she is afraid of snakes.i was afraid of going through the woods.拓展1. be afraid to do sth. 意為“膽小不敢做某事”。he was afraid to go out at night.2. be afraid that.意為“擔(dān)心、害怕”。he was afraid that he would lose.3. im afraid表示“恐怕”。-can we go there on time?-i am afraid not.14. none (p. 16)