Unit 4 知识点 2021-2022学年仁爱版英语八年级上册.docx

1、2021-2022学年仁爱英语八年级上册unit4知识点（详细版）八年级上册unit4 topic1语法形容词和副词的比较一，比较级 ： A be/v +比较级+than B “A比B更。”二，最高级：主语+be/v +（the） +最高级+比较范围 （比较范围：of the 复数 in+地点）三，比较级，最高级的变化规则 一般直接在词尾加er/est 以不发音e结尾的，直接加r/st 以一个元音字母加一个辅音字母结尾的重读闭音节，双写结尾的辅音字母再加er/est 以辅音字母加y结尾的，把y变i 再加er/est 部分双音节词和全部多音节词要在词前加more/most不规则变化 good/w

2、ell-better -best好 bad /ill -worse -worst 坏 many /much -more -most许多 little -less -least 少 far -farther-farthest距离远 far -further -furthest 程度深四，比较级前可以加mucheven/still/a little 等表强调五，比较级表达最高级比较级+than any other +名词单数“比其他任何。都更”比较级+than the other +名词复数“比其他。都更。”Mike gets to school earlier than any other st

3、udent in his class.迈克比他们班上任何一个其他的同学到校都早。= Mike gets to school earlier than the other students in his class.迈克比他们班上其他的同学到校都早。= Mike gets to school earliest in his class.迈克在他们班到校最早。The Yangtze River is longer than any other river in China.长江比中国的任何一条其他的河都长。=The Yangtze River is longer than the other ri

4、vers in China.长江比中国的其他所有的河都长。=The Yangtze River is the longest river in China.长江是中国最长的河流。六，比较级的特殊用法1. 比较级 and 比较级 “越来越”more and moreless and lessfewer and fewerhigher and higherfatter and fatter2. the 比较级， the 比较级 “越。越。”the more ,the betterthe harder ,the better短语1. think of 想到，认为2. think about 考虑3.

5、 live in 住在（大地点）4. live at 住在（小地点）5. live with 和。住6. over there 在那边7. must be （表推测）一定是8. cant be （表推测）一定不是9. may be （表推测）可能是10. chat with 和。聊天11. play with 和。玩12. live a happy/hard life 过着幸福艰难的生活13. mouse mice （复数）老鼠14. sheep/deer鹿/fish 复数不变15. goose-geese鹅 foot -feet脚 toothteeth牙齿16. I dont think s

6、o .我不这么认为17. talk to 对某人讲18. talk with 和。交谈19. talk about 谈论20. Which do you like better , A or B ?两者选择用比较级21. Which do you like best , A ,B or C ?三者最高级22. friendly friendlier/more friendly friendliest /the most friendly 友好的（形容词）23. make us happy 使我们开心24. sing to us 对我们唱歌25. both and 两者都（谓语用复数）26. a

7、s we know 众所周知27. share sth with sb 和某人分享某事物28. be important to sb 对某人重要29. danger危险名词 -dangerous 危险的adj30. cover A with B 用B覆盖 A A be covered with B A被B覆盖31. nowhere else 没有别的什么地方32. lots of =a lot of =plenty of + 可数复数不可数“许多”33. other different kinds of 其他不同种类的34. thousands of=thousands and thousan

8、ds of数以千计35. over =more than 超过，多于36. keep the water cycling 保持水循环37. play an important part /role in 在。中起重要作用38. the lungs of the earth 地球的肺39. die out 灭绝40. for many reasons 因为很多原因41. rainforests are becoming smaller and smaller雨林正变得越来越小42. be in danger 在危险中43. be in need 在需要中44. be in trouble 在麻烦

9、中45. feed/live on 以。为食46. less and less land 越来越少的土地47. Pandas are becoming fewer in number .熊猫的数量正变少48.unit4 topic2 语言点短语：1. A terrible earthquake struck Qinghai .一场可怕的地震侵袭了青海2. strike -struck 侵袭3. when and where 何时何地4. fall down fell down 倒塌5. die died 死，动词 dead adj死的 dying adj 垂死的die的现在分词6. missi

10、ng /lost adj丢失的 be /get lost =lose ones way 迷路 sb be missing 某人失踪了 the missing people 失踪的人 lose ones life/lives 失去某人生命 lose ones home(s)失去某人家园7. another two terrible earthquakes =two more terrible earthquakes 另外两场严重的地震 another two days =two more days 另外两天 another +可数单数 “另外的” other students =others 别

11、的，其他的8. serious -more serious -the most serious 严重的-更严重的-最严重的 同样变化的词：terrible /beautiful/dangerous /important9. more than=over 超过，多于10. ask sb for help =turn to sb 向某人求助11. talk to 对某人讲talk with 交谈 talk about 谈论12. the way to do sth 做某事的方式13. the number of 。的数量，谓语用单数14. a number of 大量的，谓语用复数The numb

12、er of the class is 40 . 这个班级的学生数量是40A number of students are singing . 大量的学生正在唱歌15. hear about /of （doing） sth 听说（做）某事16. 数字的用法17. hundred 百/thousand 千/million 百万/billion 十亿 18. 前面有数字+以上词单数 19. five hundred 20. 以上词复数+of“数以。计的” 21. hundreds of 数以百计成百上千的 22. thousands of 成千上万的23. protect sb/oneself fr

13、om (doing) sth 保护某人自己不受侵害24. The most important thing is to stay calm .最重要的事情就是保持冷静（不定式表目的）25. Dont worry =Dont be worried .不要担心26. worry about =be worried about 担心。27. something /anything else 别的一些事情（something肯定句中anything否定，疑问句）28. take a lift 做电梯29. in the middle of 在。中间30. keep sb safe 保持安全31. ca

14、n be 会是32. remember to do 记得要做的事33. forget to do 忘记要做的事34. stay /keep /get away from远离35. try to do sth 尽力做某事36. be (very ) careful of sth 要（非常）小心做某事37. there will be =there is /are going to be 将要有38. danger n危险dangerous adj 危险的 in danger 处于危险中39. sth/sb is dangerous 某人是危险的40. call 119 for help 打119

15、求助41. turn off the gas 关闭煤气42. at 2;28 in the afternoon, on May 12, 2008 在点钟前用at，在具体某天前加on43. with the help of the whole nation 在全国的帮助下44. with the help of =with ones help 在某人的帮助下45. return to normal life返回正常的生活46. be able to =can 能够 47. be able to 有多种形式，can只有两种 48. will be able to 将能够 49. am/is/are

16、 /was/were able to 50. =can/could51. over again 再一次Unit4Topic31. Make sb/sth +n/adj/V原 “使得。” 2. do some shopping =go shopping 3. On the Internet =online 在网上 a little cheaper 便宜一点 what else 别的什么。 4. Else放在特殊疑问词 或不定代词之后5. And so on 等等 face to face 面对面 6. find out the information on the Internet 在网上找出信

17、息7. Talk with each other 彼此谈话 come into being 形成（常用came）8. Start/begin to do /doing sth 开始做某事9. In the 1960s 在二十世纪 六十年代 make it into use 使它投入使用10. Be sure to so 将来一定做某事 be sure of .对。有把握 be sure that 确定 be not sure if /whether 不确定是否。11. More and more important to us 对我们越来越重要 12. A new photo of Mars

18、火星的一张新照片13. What did /does it look like ? 它是什么样的What is it like ?他什么样What does is like ?它喜欢什么14. Change the life /world 改变生活/世界 change 。Into 转换成。 Change for the better 变得更好了15. Make friends with sb 和某人交朋友16. By+名词/Ving“通过某种方式” chat online 上网聊天17. Spend。On spend。（in） doing 花费时间做某事18. Use it carefully

19、 /safely 仔细/认真的使用它 use sth to do sth =use sth for doing sth使用某物做某事 sth be used to do =sth be used for doing某物被用来做某事 used to do -didnt use to do -Did.use to do 过去常常 be/get used to doing sth 习惯于19. At the same time 同时 at that time 在那时 20. Its possible to do sth 做某事是可能的 as.as possible 尽可能 as soon/quickly/fast as possible 21. Its +adj +for sb to do sth “最某人来讲做某事是。的”22. Look up new words 查新单词23. Be different from 和。不同 be the same as 和。一样 be similar to 和。相似