八年级英语下册知识要点

1、八年级英语下册学问要点学习必备欢迎下载unit 1 will people have robots.一、重点语法：一般将来时：will/shall+动词原形；（i,we可用 shall； will用于全部人称）一般将来时的另外两种表达形式： be going to + 动词原形；现在进行时 am/is/are+doing ； 一般将来时的常用时间状语： in + 一段时间 =一段时间 +from now （如： in two days=two days from now两天后） , tomorrow 明天 , the day after tomorrow 后天 , soon 不久 , in t

2、he future 在将来 , next week 下周 , next month 下个月 , next year 明年 ；一般将来时的确定句、否定句、疑问句形式：确定句例句：people will have robots in a few years.否定句例句：people will not/won't have robots in a few years.一般疑问句例句：will people have robots in a few years.确定回答： yes, they will.否定回答： no, they won t.特殊疑问句例句：whatwill people h

3、ave in a few years.there be 句型的一般将来时：there willbe.=thereis/aregoingtobe.将会有.there is going to be+可数名词单数或不行数名词；there are going to be+可数名词复数；there will be. 的否定句：在will后加 not ；一般疑问句：把will提到句首； there will be a soccer game tomorrow.=there is going tobe a soccer game tomorrow. there will be more trees in 2

4、0 years.= there are going to be more trees in 20 years.二、重点短语和句型：1. 在人们家中in people's homes2. 在家通过电脑学习study at home on computers3. 将来，将来in the future4. 一百年之后in 100 years=100 years from now5. 活到 200岁 live to be 200 years old6. 免费的 be free7. 一张纸 a piece of paper8. 更多 / 更少的树more / fewer trees9. 更多 /

5、 更少的污染more / less pollution10. 更少使用地铁use the subway less11. 在 25年到 50 年之后 in 25 to 50 years12. 同意某人的看法agree with sb13. 与某人谈话talk to / with sb14. 使用某物做某事use sth to do15. 在上学校 be in elementary school16. 住在一间公寓live in an apartment17. 独自居住 live alone18. 爱上fall in love with19. 乘坐火箭到月球fly rocketsto the mo

6、on20. 能够做某事be able to do sth=can/could do sth留意： can 只有两种形式：表过去用could；表现在用can ；不能表将来；留意： be able to有多种形式：表过去用was/were able to =could；表现在用am/is/are able to= can；表将来用will be able to，这时不能与can/could替换；例句： she was able to sing last year. = she could sing last year.学习必备欢迎下载he is able to speak english. = h

7、e can speak english. they will be able to go to america for vacation next year.21. 去香港度假go to hong kong on vacation22. 世界杯 the world cup23. 飞到月球度假fly to the moon for vacation24. 有朝一日 one day25. 为某人工作work for sb26. 看起来精神look smart27. 实现 come true28. 预言将来 predict the future29. 观察某人做过 / 正在做 某事 see sb d

8、o / doing sth30. 数以百计的hundreds of31. 数以千计的thousands of32. 拥有某人自己的机器人have sb's own robot33. 科幻小说 science fiction movies34. 帮忙做家务help with the housework35. 与某人做同样的事do the same things as sb36. 叫醒某人 wake sb up37. 与某人交伴侣make friends with sb.38. 看起来更像look more like39. 一遍又一遍地over and over again40. 在太空

9、in space41. 有更少的工作去做have less work to do42. 有某人 / 物正在做某事there be sb / sth doing sth43. 做某事好玩be fun to do sth44. 查找（某人 / 某物） look forsb/sth45. won't = will not they'll = they will she'll = she will he'll = he will i'll = i will46. 做某事（对某人来说）怎么样it was/is/will be+adj+for sb+to do st

10、h例句： it will be difficult for a robot to do the same things as a person.unit 2 what should i do.一、重点语法：should应当（ shall的过去式）、could可以（ can 的过去式）表建议；二、重点短语和句型：1. 拦住；阻挡进入keep out2. 与某人争执argue with sb3. 与某人争执have an argument with sb. = argue with sb4. 给某人打电话call sb up5. 找一份兼职工作get a part-time job6. 把 cd

11、声音放得太大play cds too loud7. 打开 turn on8. 给某人写信write sb a letter= write a letter to sb9. 告知 / 叫某人 不要 做某事 tell /ask sbnot to do sth10. 使某人诧异surprise sb.11. 一张球赛的票a ticket to a ball game12. 支付 pay for13. 向某人借某物borrow sth.from sb.14. 为某人买某物buy sb sth = buy sth for sb学习必备欢迎下载15. 不知道 have no idea（ of ） = do

12、n t know16. 请家教 get a tutor17. 查明，找出find out18. 有同样的发型have the same haircut19. 需要做某事need to do sth20. 邀请某人去做某事invite sb to do sth21. 把某物遗忘家里leave sthat home22. 考试不及格fail the test23. 与某人相处融洽get on/along well with sb24. 与相同的the sameas25. 归仍某物 return sth.26. 在字典中查找look upin a dictionary27. 与打架have a fi

13、ght with sb.28. 与比较compare with29. 向某人埋怨某事complain to sb about sth30. 直到才notuntil31. 买不同的衣服get different clothes32. 把某人从带到take sb fromto33. 感觉处于 太多的 压力之下 be / feel under too much pressure34. 尽可能多地充实到孩子们的生活中来fit as much as possible into their kidslives35. 没有什么新奇的nothing new36. 总是在做某事be always doing s

14、th37. 方案做某事plan to do sth38. 从很小的年龄开头start from a very young age39. 一方面，另一方面on the one hand, on the other hand40. 怎么了？ what's wrong. = what's the matter. = what's the problem.41. 不时髦的；过时的out of style42. 时髦的；流行的in style43. 尽可能as. . as possible =asassb can/could（ as. . as中间加 adj/adv的原级）例如：

15、 as soon as possible尽快， as much/many as possible尽可能多例句： you should speak english as much as possible.你应当尽可能多地讲英语；= you should speak englishas much as you can.44. 各种各样的all kinds of45. 向某人要某物ask sb for sth46. 生某人的气be angry with sb47. 与某人同岁thesame age as sb= as old as sb48. 学会做某事learn to do sth49. 发觉某人

16、正在做某事find sb doing sth50. 发觉做某事怎么样find it + adj+ to do sth例句： he finds it important to learn english well.他发觉学好英语是重要的；find that +句子发觉.例句： i find that she is good at playing the guitar.我发觉她善于弹吉他；51. 是该做某事的时间了it's time for sth. = it's time to do sth52. 某人花时间 / 钱做某事sb spend时间 / 金钱 on sth或 sbspe

17、nd时间 / 金钱 in doing sth某物花了某人多少钱sth cost sb做某事花了某人多少时间it takes/took sb+时间 + to do sth学习必备欢迎下载某人为某物付了多少钱sb payforsth某人付了多少钱sb pay for四 “ 花 费 ” ： spend人作主语；cost物作主语；take 用 it作形式主语；pay人作主语；unit 3 what were you doing when the ufo arrived .一、 重点语法： 过去进行时由 was/were +doing 构成；表示在过去某一时刻或某一段时 间正在进行的动作；过去进行时的常

18、用时间状语： then /at that time/ at that moment 在那时 ； this time yesterday 昨天的这个时候； at 8:00 last night 昨晚上 8点钟 ； from 8:00 to 10:00 last night 昨天晚上的8点到 10点； when, while引导的时间状语从句；过去进行时态的确定句、否定句和疑问句形式：确定句例句： i was walking down the street when a ufo landed.否定句例句： i wasn't walking down the street when a uf

19、o landed.一般疑问句例句： were you walking down the street whena ufo landed.特殊疑问句例句： what were you doing when a ufo landed.总结：过去进行时的否定句：在was/were后加 not was not= wasn't ;were not= weren't 总结过去进行时的一般疑问句：was/were提到句首，把 i/we变成 you； my/our变成 your.when 和 while 的挑选： when 后加一般过去时 （即动词 +ed）或一般现在时 即动词原形或动词 +s

20、/es ；while 后加过去进行时（即 was/were +doing ）或现在进行时（即 am/is/are +doing ）；例 句 ： the boy was shopping when the ufolanded. = while the boy was shopping , the ufolanded. 感叹句：由 how（中心词是adj/adv）或 what中心词是名词 引导；结构： 1 how + adj+（ 主语 +谓语动词） .2 what+ a/an +（ adj ） +名词 + （主语 +谓语动词） .例句： what a beautiful flower（ it is

21、 ） . = how beautiful the flower is. what beautiful flowers（ they are ） . = how beautiful the flowers are .二、重点短语和句型：1. 到达 arrive at /in = get to = reach2. 在 前 面 in front of3. 在 的 前 部 in the front of4. 在理发师的椅子上 in the barber's chair5. 睡懒觉 sleep late6. 在电话中交谈 talk on the phone7. 航天博物馆 the museum o

22、f flight8. 降落在中心大街上 land on center street9. 报警 call the police10. 沿着街道走 walk down / along the street11. 有一次不平常的经受 have an unusual experience12. 起飞 / 脱下 take off13. 大约在 10 点钟 at around ten o'clock14. 跟着某人做某事 follow sb to do sth15. 朝 喊 shout at sb16. 对 感 到 惊 讶 be surprised / amazed at17. 在树上 in 外界

23、的 the tree / on （树本身长的） the tree学习必备欢迎下载18. 对某人说 say to sb19. 多于；超过more than = over20. 纽约市 new york city = the city of new york21. 出去；离开get out22. 在火车站 at the train station23. 飞往纽约的航班the flight to new york24. 在医生的诊所at the doctor's25. 探望住院的姨妈visit aunt in hospital26. 2021年奥运会 the 2021 olympics27.

24、 记得做过 / 去做某事remember doing / to do sth28. 在历史上 in history29. 在现代美国历史上in modern american history30. 听说 hear about / of31. 最重要的大事之一one of the most important events32. 逃跑 run away33. 玩得兴奋 have fun=have a good nice/great time =enjoy oneself34. 缄默地做某事do sth in silence35. 在当今时代in recent times36. 被毁坏 be de

25、stroyed by37. 对有意义have meaningto38. 像一样 asas as old as him像他一样老 39. 不如not as / soas40. 围绕地球 around the world41. 一个民族英雄a national hero42. 发生 take place43. 日常活动 everyday activities44. 第一次做某事do sth for the first time45. 全世界 all over the world = around the world46. 起床 get up = get out of the bed47. 每一天

26、every day日常的 everyday48. 作为而闻名be famous as49. 因而闻名be famous for例句： china is famous for the great wall.中国因长城而闻名；lu xun is famous as a writer.鲁迅作为一个作家而闻名；unit 4 he said i was hard-working.一、重点语法：直接引语变间接引语（间接引语即宾语从句）；二、重点短语和句型：1. 看肥皂剧watch soap operas2. 举办一次惊喜晚会have a surprise party3. 在周五晚上on friday ni

27、ght4. pass on传递5. 把某物递给某人pass sb. sth. = pass sth. tosb.6. 生某人的气be mad at sb = be angry with sb7. 第一 first of all = at first8. 在公共汽车站at the bus stop9. 应当做某事be supposed to do = should do10. 善于 be good at = do well in学习必备欢迎下载11. 很愧疚做某事be sorry to do sth.12. 感冒 have / catch a cold13. 身体健康 be in good he

28、alth14. 期末考试 end-of-year exams15. 做某事遇到困难have a hard /difficult time with /doing sth16. 做某事很惊讶be surprised to do17. 捎去某人的问候send one's love18. 到现在为止for now19. 抄袭别人的家庭作业copy others' homework20. 传些口信 pass on some messages21. 大打一架 have a big fight22. 遗忘做过某事forget doing sth遗忘去做某事forget to do sth2

29、3. 养成一个坏习惯start a bad habit24. 听起来像 sound like25. 转变某人的生活change sb 's life = change the life of sb26. 克服 get over27. 在一个贫困的山村in a poor mountain village28. 由发 起 be started by29. 一个为期一年的方案a one-year program30. 训练部 the ministry of education31. 一个北京高校的毕业生a peking university graduate32. 派某人去做某事send s

30、b. to do sth33. 对某人来说是一个新的经受be a new experience for sb.34. 海拔 2000米 2000 meters above sea level35. 使某人觉得恶心make sb feel sick36. 经受不同的事experience different things37. 打开某人对外面世界的视野open up one's eyes to the outside world38. 给某人生活一个好的开头give sb. a good start in life39. 在某人的生活中有一个好的影响be a good influence

31、 in one's life40. 处于危急之中be in danger41. 脱离危急 be out of danger42. 照管；照管care for = take care of =look after43. 不再，再也不notanymore = notany longer = no longer =no more留意： not与助动词 / 情态动词 /be动词如： do/does/did/can/will/beam/is/are/was/were连用 留意， anymore 和 any longer位于句末；no longer和 no more位于助动词 / 情态动词 /be

32、动词之后；行为动词之前；例句： he doesn t live here anymore.= he no more lives here.他不再住在这里；she wasn t mad at me anymore. = she was no longer mad at me.她再也不生我的气了；unit 5 if you go to the party, you'll have a great time .一、重点语法：if引导的条件状语从句if+ 一般现在时 （即行为动词原形/ 动词 +s/es ；be 动词用： am/is/are），主语 +一般将来时（即 will+动词原形） ；

33、假如. ，将会.留意： 在 if引导的条件状语从句中，主句应用一般将来时态，if条件状语从句用一般现在时态；（即：主将从现）例句： you'll be late if you walk to the party.= if you walk to the party, you'll be late.二、重点短语和句型：学习必备欢迎下载1. 去参与晚会go tothe party2. 玩得兴奋have a great time3. 让某人进入let sb in4. 预备考试study for the test5. 一半的同学half the class6. 年终聚会end of y

34、ear party7. 穿牛仔裤wear jeans8. 把拿走take away9. 在晚会期间during the party10. 学校大扫除school clean-up11. 儿童医院探视children's hospital visit12. 受训练 get an education13. 周游世界 travel around the world14. 谋生 make a living15. 靠做某事谋生make a living（ by） doing sth = do sth for a living16. 专业的足球运动员a professional soccer pl

35、ayer17. 理想的职业a dream job18. 给慈善机构捐款give money to charities19. 始终 all thetime = always20. 受伤 get injured21. 实际上 in fact22. 与某人度过时间spend time with sb.23. 手机 mobile phone24. 使某人做某事make sb. do sth.25. 在课堂上 in class26. 赚很多钱make a lot of money27. 观察某人做过某事see sb. do sth.使某人make sb + adj.28. 观察某人正在做某事see sb

36、. doing sthunit 6 how long have you been collecting shells .一、重点语法：现在完成进行时由have/has been +doing构成；表示从过去某一时间开头始终连续到现在的动作；现在完成进行时的常用时间状语：for +一段时间（如： for an hour一小时；for three years三年）；since+ 过去的时间点（如： since5:00pm 自从下午5点； sincelastyear自从去年； sincetwo weeks ago自从两周前； since 2021自从 2021年）；since+ 一般过去时的句子（如

37、：sincehe came to china自从他来到中国；sinceshe was fiveyearsold自从她五岁） ；对“ for +一段时间 / since +过去的时间点/ since +一般过去时的句子”提问用how long.现在完成进行时态的确定句、否定句和疑问句形式：确定句例句：i have been skating for five hours.否定句例句：i haven't been skating for five hours.一般疑问句例句：have you been skating for five hours.特殊疑问句例句：how long have

38、you been skating.留意：瞬时动词不能和一段时间连用；例句：你借这本书已经多长时间了？ 表示借多久不能用lend或 borrow ；而要用 keep how long have you been keeping this book.总结：现在完成进行时的否定句：学习必备欢迎下载在 have/has后加 not have not=havent ; has not =hasn t总结现在完成进行时的一般疑问句：把have/has提到句首， i/we变成 you；my/our变成 your.二、重点短语和句型：1. 收集贝壳collect shells2. 滑冰马拉松skating m

39、arathon3. 你第一双滑冰鞋your first pair of skates4. 为募捐raise money for5. 整整五小时the whole five hours6. 三年半 three and a half years =three years and a half7. 填充动物玩具stuffed animals8. 怪物水晶球snow glob of the monster9. 用完，用完run out of10. 顺便说一下by the way11. 在我十七岁生日时on my seventeenth birthday12. 最常见的 the most common1

40、3. 才艺表演 a talent show14. 把某物送给某人send sb. sth = send sth to sb15. 在远处 far away16. 古币 old coins17. 自由话题 free topic18. 想起 think of19. 闻名人物 famous characters20. 黑龙江省会the capital of heilongjiang province21. 具有丰富多彩的历史with a colorful history22. 欧洲的影响european influence23. 俄罗斯风格in russian style24. 家史 family

41、history25. 诧异 be surprised26. 受到的欢迎be welcomed by27. 宋朝皇帝 the song emperor28. 西方历史 western history29. 确信 be certain that / to do30. 越,就越the +比较级 +句子， the +比较级 +句子例句： the more he learns about chinese history , the more he enjoys living in china. 31.对 做 某事感爱好be interested in（ doing ） sth.32. 想要做某事woul

42、d like to do sth. = want to do sth. = feel like doing sth.33. 实际上 in fact 34. room房间（可数名词） ；空间（不行数名词）35. common more common the most common36. 第一个做某事的. the firstto do sth37. 某人做某事有多长时间了？how long have/has sb been doing sth.unit 7 would you mind turning down the music .一、重点语法：礼貌地向对方提出恳求或建议；would you m

43、ind doing sth .你介意做某事吗？否定形式： would you mindnot doing sth .你介意不要做某事吗？could / would you pleasedo sth .请你做某事，好吗？否定形式： could / would you please not do sth .请你不要做某事，好吗？二、重点短语和句型：学习必备欢迎下载1. 介意做某事mind doing sth.2. 洗餐具 do/wash the dishes3. 打开 turn on关闭 turn off调大 turn up调小 turn down4. 从里出来，从里下来get out of5.

44、在厨房里in the kitchen6. 立刻，立刻right away =at once=right now = in a minute= in amoment7. 在开会 be at a meeting = be having a meeting8. 完成这些工作finish these tasks9. 一点也不not at all10. 帮某人做某事help sb. do / with sth.11. 埋怨 做某事 complain about（ doing ） sth12. 商店职员 store clerk13. 给你拿错了食品bring you the wrong food14. 不

45、好使 don't work15. 愤怒 get annoyed16. 排队等候 wait in line17. 插队 cut in line18. 处处跟着我follow me around19. 回到goback to20. 长时间的电话谈天have a long telephone conversation21. 某事发生在某人身上sth happen to sb.22. 尽力 不 做某事 try not to do sth.23. 有点晚 a bit late24. 违规 break the rule遵守规定obey / keep therule25. 定购食物 order fo

46、od26. 压低你的声音keep your voice down27. 讲英语的国家an english-speaking country28. 社会行为 social behavior29. 与某人站的近stand close to sb.30. 亚洲国家 asian country31. 在各种条件下in all situations32. 即使 even if33. 当心地做某事take care to do sth.34. 当众 in public35. 熄灭香烟 put out the cigarette36. 被批判 be criticized37. 扔垃圾 drop litter

47、38. 捡起 pick（ it/them） up39. 表现礼貌 behave politely40. 等候某人 waitfor sb.unit 8 why don't you get her a scarf .一、重点语法：比较物品的质量，学习怎样给别人供应建议；why don't you do sth . = why not do sth .意为“为什么不. ”例句： why don't you get her a camera. = why not get her a camera.what about = how about ,意为“. 怎么样？”，后接名词、

48、代词或动名词 （即 doing ）例句： howabout some tennis balls.= what about some tennis balls. what about you.= how about you. how about buying a watch. = what about buying a watch.学习必备欢迎下载二、重点短语和句型：1. 幸运儿 lucky guy2. 做一顿特殊的饭make a special meal3. 你自己的挑选your own choices4. 大腹便便的猪a pot-bellied pig5. 好伙伴 good company6

49、. 带某人出去take sb. out7. 睡着 fall asleep8. 半途中 half way9. 树上的一片叶子a leaf from a tree10. 赠送 give away11. 公园长椅 park bench12. 尝试做某事try doing sth13. 通过不同的方式in different ways14. 来自于中国各地from across china15. 在舞台上 on stage16. 各种年龄层all age groups17. 勉励某人做某事encourage sb. to do sth.勉励某人不要做某事encourage sb. not to do

50、sth.18. 对感爱好take an interest in= be interested in19. 使某人对某事感爱好make sb interested in sth20. 从中得到乐趣have fun with21. 讲本族语的人native speakers22. 取得进步 make progress23. what shouldi getmy momforher birthday.我应当为我妈妈的生日买什么礼物？keep kept keptfeed fed fedfall fell fallen hear heard heardunderstand understood unde

51、rstoodunit 9 have you ever been to an amusement.一、重点语法：现在完成时由“助动词have/has +过去分词”构成；用法：表示过去发生或已经完成的动作对现在造成的影响或结果；常与 “ already已经 （常用于确定句）； never从不； ever曾经； just刚刚； before以前； yet （常用于否定句“仍”和疑问句“已经” ）”连用；用法：表示从过去某一时间开头始终连续到现在的动作或状态；此时可与现在完成进行时（have/has been + doing）互换，常与“for +一段时间 / since +过去的时间点 / sinc

52、e +一般过去时的句子”连用；总结：现在完成时的否定句：在have/has后加 not.总结：现在完成时的一般疑问句：have/has提到句首，把 i/we变成 you； my/our变成 your. have/ has been to意为“曾经去过某地”（去而已归：已经回来了）have / has gone to意为“已经去某地了”（去而未归：现在不在这里）she has been to america.她去过美国； she has gone to america.她到美国去了；二、重点短语和句型：1. 太空博物院space museum2. 游乐场 an amusementpark学习必备

53、欢迎下载3. 水上乐园water park4. 曾经到过某地have / has been to5. 到某个地方去了have/ has gone to6. 呆在某个地方have been in +地点7. 既不也不；两者都不neithernor8. 全年 all year round = all over the year9. 迪斯尼人物disney character10. 主题公园 a theme park11. 过山车 a roller coaster12. 在船上 on board13. 终止 end up14. 终止做某事end up doing sth.15. 四处走动 walk

54、around16. 迪斯尼巡游disney cruise17. 兜风 take a ride18. 空中乘务员a flight attendant19. 走不同的路线take different routes20. 靠近 be close to21. 在白天 during the daytime22. 导游 a tour guide23. 象这样的such as24. 考虑 think about doing25. 胜于，而不是rather than26. 在东南亚 in southeast asia27. 度假 take a holiday28. 做某事有困难have some problems doing29. 在更自然的环境里in a more natural environment30. 三分之一 one third31. 四分之三 three quarters32. 你曾经去过某地