八年级英语下册1·2单元知识点汇总.doc

Unit 1 Whats the matter? 一、基础知识 1. What s the matter? 怎么啦？出什么事情了？ 【解析】matter/ mt(r) /n.问题；事情 What s the matter with you?= Whats the trouble with you? = What s wrong with you? 你怎么了？ 【注】： matter 和trouble 为名词， 其前可加the 或形容词性物主代词，wrong 是adj. 不能加the 【用法】用于询问某人有什么病或某人遇到什么麻烦、问题其后跟询问对象时，与介词with连用。即： Whats the matter with sb.? = Whats your trouble? = Whats up? = What happens to sb.? Whats the matter with you ? I have a bad cold. 2. I had a cold.我感冒了。 have a cold=catch a cold=have the flu感冒 have a fever 发烧 have a cough咳嗽 have a stomachache胃疼，肚子疼 have a toothache牙疼 have a headache头疼 3. 身体部位+ache（疼痛）构成新的复合词 stomach+ache=stomachache head+ache=headache tooth+ache=toothache back+ache=backache后背痛 4. much too+ 形容词，意为 太. ，too much+名词，意为 很多，大量 。 5. enough【形容、副词】足够的/地，enough放在名前后，形副后。good enough足够好enough money=much money 6. lie down躺下， lie 躺，躺着，过去式lay；lie说谎，过去式lied 7. maybe 或许，常用于句首，表示可能性，后加句子。Maybe you are right. may be，是情态动词+be的结构，意为可能，也许，后加名词、代词或形容词。He may be angry. sound like+名词代词和从句：It sounds like you dont know the truth. It sounds like a good idea. sound+形容词，听起来，好像，The music sounds nice. 8. need 需要，实义动词need+名词，需要某物； need to do sth.需要做某事 ，主语通常是人，表示人主动的动作：You need to listen carefully during class. need doing sth.主语通常是物，表示被动的动作：Your dirty clothes need washing. 10. get off (the bus) 下（公交车） get on 上车 11. agree 同意，赞同； agree with sth. 同意某事 如：I agree with that idea. agree to sb. 同意某人的意见 如：I agree to LiLei.agree to do sth.同意去做某事12. trouble问题，麻烦 ；be in trouble遇到麻烦，make trouble 制造麻烦 ，have trouble (in) doing sth. =have difficulties (in) doing sth做.有麻烦。 13. right away=right now=at once，意为 马上 。 14. advice 不可数名词劝告，建议，向征求意见， give sb. advice on sth.就某事给某人建议； advise 动词 advise sb. to do sth. 建议某人做某事 advise sb. doing sth. 15.【复习】exercise 练习、锻炼 当exercise意为练习时，为可数名词 即可加s 当exercise意为锻炼时，为不可数名词 即不加s 16. hurt 及物动词，使疼痛，受伤，He hurt his leg while exercising. 不及物动词，（部位）疼。 His leg hurt badly. clean 17. clean【动词】打扫，clean the classroom打扫教室，【形容词】 干净的 ，cleaner意为 清洁工 。 18. hit （用手或器具）打；击打 The boy hit the dog with a stone. hit sb. on the head/ nose/ back打某人的头、鼻子、后背，on用在所打较硬的部位； hit sb. in the face/ eye/ stomach 打某人的脸、眼睛、肚子，in用在所打较软的部位。19. be used to sth./ doing sth.习惯于、适应了、做某事，强调状态；His grandpa was used to country life. Mary is not used to getting up early in the morning. get/ become used to sth./ doing sth. 变得习惯，逐渐适应强调过程、动作： Its difficult for one to get used to another countrys habit。20. 【复习】free 形容词空闲的free time；免费的the drink is for free；自由的I want to become a free bird. 21. free【动词】使解脱，得到自由：He could not free his arm. run out用完，用尽 When his water run out, he knew that he would have to do something to save his own life. 物sth. run out. 某物用尽了。 人sb. run out of sth. 人用尽了某物。He run out of all his money last night. 22. risk take a risk=take risks 冒险 23. the importance of (doing) sth.（做）某事的重要性 We students should know the importance of (learning) English. importance n. 重要（性）， important adj.重要的，unimportant adj.不重要的 decision 【名词】决定；抉择； make a decision 做决定 ; make a decision to do sth.= decide to do sth. 。 24. be in the control of 掌管，管理 The headmaster is in the control of this new school. be out of control无法控制，无法管理 be under control被控制住，在控制之中 25. 【复习】mind意为介意，mind doing sth. 介意做某事 , Would you mind my opening the window? 26. give up (doing) sth. 放弃（做）某事，give up (playing) computer games； give up后可接名词、代词和动词ing形式，也可不接，如: Never give up easily. 27.重点语法 【反身代词】英语中共有八个反身代词，在使用时应注意和它所指的相应的对象在人称、性别、数上保持一致。 单数 myself yourself himself herself itself 复数 ourselves yourselves themselves 【用法】 可用作宾语，指的是宾语和主语表示同一个或同一些的人或事物。 如：Maria bought herself a scarf. We must look after ourselves very well. 可用作表语，指的是表语和主语表示同一个或同一些人或事物。 如： She isnt quite herself today. 可用作主语或宾语的同位语，常用来加强语气。 如：She herself will fly to London tomorrow. I met the writer himself last week. #用在某些固定短语当中。 look after oneself / take care of oneself 照顾自己 teach oneself sth./ learn sth. by oneself自学 enjoy oneself 玩得高兴，过得愉快 help oneself to sth 请自用（随便吃/喝些）. hurt oneself摔伤自己 say to oneself自言自语 leave sb. by oneself把某人单独留下 buy oneself sth.给自己买东西 introduce oneself 介绍自己 【提醒】 1. 反身代词不能单独做主语，但可以做主语的同位语，起强调作用。 如：我自己能完成作业。 （误）Myself can finish my homework. (正) I myself can finish my homework. / I can finish my homework myself. 2. 反身代词表示某人自己不能表示某人的东西，因为它没有所有格的形式。表达某人自己的（东西）时，须要用ones own. 如：我用我自己的蜡笔画画。（误）Im drawing with myself crayons. (正) Im drawing with my own crayons. Unit 2 Ill help to clean up the city parks一、 基本知识点 1. sick 生病的，有病的；可在句中作表语Mary could not come because she is sick. 也可作定语a sick child 【区别ill】ill与sick同义；但是只在句中做表语，不做定语。Mary could not come because she is ill. 2. cheer (sb.) up（让某人）变得高兴；振奋起来The good news cheered up everyone in our class. 3. give out分发；散发，相当于hand out，The teacher is giving out/ handing out the test papers. give sth. out to sb. 意为 把某物分发给某人 。 4. volunteer 【名词】志愿者 【动词】义务做，自愿做（某事）volunteer to do sth. 自愿做某事 ， The girls could volunteer in an after-school study program. 5. used to do sth.过去/曾经(常)做某事，表示过去的习惯、动作或状态，并强调现在已经不再存在或发生。 There used to be a cinema here. 这里曾有一个照相机。 They told me stories about the past and how things used to be. 他们告诉我关于这里过去的故事。 2. alone 【形容词】独自一人的，无感情色彩：The musician enjoyed living alone and writing songs himself. lonely （感到）孤独寂寞的，带有很强的感情色彩，可做表语或定语。The lonely boy is not lonely now. 3. care for sb./sth.照顾；照料 care【名词】小心，关心take care of=look after 【动词】care about sb./sth.关心，在意某人/事 【形容词】careful 仔细的 / careless 粗心的 【副词】carefully 仔细地 4. such 这样的，这种，如此，用于修饰名词 such+ a/ an+形容词+单数名词=so +形容词+a/an+单数名词：such a good day =so good a day多么美好的一天such an exciting match 多么 精彩的比赛 such+形容词+复数名词/不可数名词：such important decisions 多么重要的建议 such delicious food 多么美味的食物 如果名词前被many, much, few, little修饰时，只能用so，而不用such：so many sick children/ so little time 5.try out for参加选拔，争取成为Thirty football players tried out for the Best Player of the year. try out试用，试验 6.journey 【名词】（尤指长途）旅行，行程；trip【名词】多指短途旅行； travel【名词、动词】travel around the world 【名词】traveler旅行者 7.【复习】be busy with sth. 忙于（做）什么事情 be busy doing sth. 忙于（做）什么事情 8.【复习】try doing sth. 试着去做某事 try to do sth. 尽力去做某事 try ones best (to do sth.) 尽某人最大的努力去做某事 9. 【复习】be worried about sb./ sth. = worry about sb./ sth. 担心某人、某事 10. raise money集资，筹钱；raise money for为筹钱 11. raise【动词】举起；提高；募集 12. keep【动词】keep+名词，保留（某物）；keep+形容词，保持 13. 【形容词】broken破损的，出毛病的；blind瞎的，失明的；deaf聋的；disabled有残疾的，丧失能力的；在句中做定语和表语。 make it possible (for sb.) to do sth.使（某人）做某事成为可能， You helped to make it possible for me to have Lucky. make it +形容词(+for sb.) to do sth. 使（某人）做某事成为； think/find it +形容词to do sth. 14. make a difference to对有影响；对有作用，difference前可以用no, any, some, much等修饰，如 The rain made no difference to the game. Hard-working makes much difference to study. 15. difficulty【可数/不可数】表示抽象意义的困难时为不可数；表示具体的难题、难事时为可数； have difficulty (in) doing sth.= have trouble (in) doing sth. 做某事有困难 16. train【动词】训练，trained为过去分词，可做定语，意为受过训练的a trained dog 17.be excited about sth. 对某事感到兴奋 Everyone is excited about the good news. 【复习】excited意为 兴奋的，修饰人；exciting意为 令人兴奋/激动的，修饰物。 18.order【名词】命令，指示；顺序，次序【动词】订购；点（菜）follow the order。 19.change【动词】变化，改变Its hard for a person to change his life(style). 【名词】变化；零钱 change A for B 用A换成B：When you travel in China, remember to change US dollars for RMB.20.repair 【动词】修理，修补； fix【动词】安装；使固定 fix up修理=repair