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1、八年级英语上册重点知识整理Unitl Where did you go on vacation?【重点语法】不定代词:不指名代替任何特定名词或形容词的代词叫做不定代词。用法注意:1、some和any+可数名/不可数名。some多用于肯定句,any多用于否认句、疑问句和条件从句。有些问句中用some,不用any, 问话者希望得到对方肯定回答。2、由some, any, no, every与body, one, thing构成的复合不定代词作主语时,其谓语动 词用三单。3、不定代词假设有定语修饰,该定语要置于其后:如:something interesting【重点短语】1. buy sth fo
2、r ab. / buy sb. sth 为某人买某物2. taste + adj.尝起来3. nothing. . . but + V.(原形)除了之外什么都没有4. seem + (to be) + adj 看起来5. arrive in +大地方/ arrive at +小地方到达某地6. decide to do sth.决定做某事7. try doing sth.尝试做某事/ try to do sth.尽力做某事8. enjoy doing sth.喜欢做某事9. want to do sth.想去做某事10. start doing sth.开始做某事/ begin doing s
3、th.11. stop doing sth.停止做某事区分:stop to do sth.停下来去做某事12. dislike doing sth.不喜欢做某事14. so + adj + that +从句 如此以至于16. tell sb. (not) to do sth.告诉某人(不要)做某事17. keep doing sth.继续做某事18. forget to do sth.忘记去做某事/ forget doing sth 忘记做过某事【词语辨析】1. take a photo/ take photos 拍照2. seem +形容词看起来seem + to do sth.似乎/好像做
4、某事It seems +从句似乎.It seems that noseem like.好像,似乎3. arrive in + 大地点= get to= reach+地点名“到达”arrive at +小地点(注:假设后跟地点副词here/there/home,介词需省略,如:arrive here; get home)4. feel like sth 感觉像feel doing sth.想要做某事5. wonder (想知道)+疑问词(who, what, why)引导的从句。6. because of + 名/代/V-ingbecause+从句7. enough +名词 足够的形容词/副词+
5、enoughUnit2 How often do you exercise?【重点亨去】1 .频率副词:always, usually, often, sometimes, never频率副词在句中通常放在实义动词之前,be动词或助动词之后。常用于一般现在时态中。2 .“次数”的表达方法一次 once两次twice三次或三次以上: 基数词+ times, 如:three times, five times3 . how often “多久一次”问频率,回答常含有频率词组或短语。【重点短语】1. go to the movies 去看电影2. look after = take care of
6、照顾3. surf the internet 上网4. healthy lifestyle健康的生活方式5. go skate boarding 去戈U板6. keep healthy=stay healthy 保持健康7. eating habits 饮食习惯8. take more exercise做更多的运动9. the same as与什么相同10. be different from 不同11. once a month 一月一次12. twice a week 一周两次13. make a difference to 对有影响/作用14. be good for 对有益15. sh
7、op=go shopping=do some shopping 购物16. be bad for 对有害17. come home from school 放学回家18. of course = certainly = sure 当然19. get good grades 取得好成绩22. keep/be in good health 保持健康21. take a vacation 去度假【词语辨析】1. maybe / may bemaybe是副词,意为“大概,可能,或许,一般用于句首。May be是情态动词,意为“可能是,也许是,大概是.”.2. a few / few / a littl
8、e / little3. hard / hardlyhard作形容词,意为“困难的,艰苦的,硬的”;作副词,意为“努力地,猛烈地:hardly 为副词,意为“几乎不二4. As for homework , most students do homework every day .as for.意思是“至于;关于。+名词、代词或动词的-ing形式(即动名词)。5. That sounds interesting.这是“主语+系动词+表语”结构的简单句。sound (听起来),look (看起来),smell (闻起 来),taste (尝起来),feel (觉得),seem (好象),grow
9、 (变得),get (变得)等词在英语中可 用作系动词,后跟形容词作表语。6. percent名词,意为“百分之”百分数的表示方法:基数+ percent (不用复数形式),percent做主语时,谓语动词的数要 根据其后面的名词来确定。7. not* at all意为“一点也不”,not应放在be动词、情态动词或助动词之后。8. It is + adj. to do sth.做某事是的。9. take, spend, payIt takes sb. some time to do sth.意为“花费某人时间来做某事”。人(sb.) spend时间/钱on sth. “买某物花了钱”。人(sb
10、.) spend时间/钱(in) doing ”花费多少时间来做某事”。pay的主语必须是人,而“花钱买某物”为pay. . . for.10. however副词,意为“然而,可是。表示转折关系,可放在句首、句中、句末。Unit3 I m more outgoing than my sister.【重点语法】1 .形容词和副词的比较等级(1)形容词和副词的原形就是原级(2)比较级,表示较或更(3)最高级,表示最。2 .比较级句型:(1) A + be动词+形容词的比较级+than +B A比B更”(注意:A与B必须是同级的,即必须是人与人,物与物进行比照)(2) “A+实意动词+副词比较级+
11、 than + B”表示“A比B”(3)比较A , B两人/两事物问其中哪一个较.时用句型:“Who/which + 谓语动词 + adj./adv.比较级,A or B ?”3 .比较级的特殊用法“比较级+and+比较级”,意为“越来越”。多音节比较级用more and inore+原级”(1) “the+比较级(),the+比较级()”意思是:越越 The more, the better.(3)主+ is + the形容词比较级+of the two+名复“主语是两者中较的”4 .两者在某一方面相同:A+谓语动词/be动词+as+ adj./adv.原级+ as+ B.表示两者在某一方面
12、不及另一方时,用“not as/so+形容词或副词原级+as”5 .形容词,副词比较级前的修饰语。当需要表示一方超过另一方的程度时,可以用much, a lot, a little, a bit,等来修饰形 容词比较级。注意:比较级不能用very, so, too, quite等修饰。【重点短语】1. more outgoing更外向/更开朗2. as. . . as.与样3. the singing competition 歌咏比赛4. the most important 最重要的5. be talented in music 在音乐方面有天赋6. the same as 与相同7. ca
13、re about关心/留意/关注8. be different from 与. 不同9. be like a mirror 像一面镜子10. as long as 只要; 与一样长11. bring out显示/显出12. get better grades取得更好的成绩13. reach for伸手到达/到达14. touch15. in fact 事实上16. make friends 交朋友17. be good at在某方面成绩好18. the other 另一个19. be similar to 与相似20. be good with与和睦相处21. have fun=Have a
14、good time 玩得开心have fun doing sth做某事很开心22. do the same things as me.做和我一样的事情23. It, s+adj+ (for sb. ) to do sth.”做某事(对某人来说)是.的”24. make friends with sb.与某人交朋友25. as long as只要;既然,引导条件状语从句【词语辨析】1. be good at=do well in ,其后可接名词、代词或动名词,表示擅长2. care about 关心care for 关爱take care (当/小心)take care of (照顾)=look
15、 after3. make sb. do sth.:让(使)某人做某事(make后跟不带to的不定式)make sb.+形容词:使某人保持某种状态4. be like 就像”look like “外貌上的像“5. That? s why+句子:那就是的原因/那就是为什么6. be different from 与不同反:be the same as 与相同7. thoughadv.不过;可是;然而(句末补充说明使语气减弱)conj.虽然;尽管二although,与but不能同时用在一个句子中8. get better grades取得更好的成绩9. does(助动词do/did),为了防止重复,可代替上文出现过的实意动词。10. be good with sb.与某人相处得好