[全]八年级上册英语各单元知识点大归纳.docx
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1、八年级上册英语各单元知识点大归纳Unit 1 Where did you go on vacation?语法解析不定代词: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多用于否定句、疑问句和条件从句。有些间句中用some,不用any,问话者希望得到对方肯定回答。2.由some, any, no, every构成的复合不定代词作主语时,其谓语动词用第三单3.不定代词若有定语修饰,该定语要置于其后:如: somehing interesting二、知识点:1. buy sth for ab./ buy sb. s
2、th 为某人买某物2. taste + adj. 尝起来.3. nothing .but + V. (原形)除了.外什么都没有4. seem+ (tobe) + 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 sth.11. stop doing sth. 停止做
3、某事区分: stop to do sth. 停下来去做某事dislike doing sth. 不喜欢做某事14. so+ adj+ that +从句 如.以至.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 记做过某事二、词语辨析:1 take a photo/ take photos 拍照quite a few+名词复数“许多.”2. seeng 形容词看起来-. You seem happy today.to do st
4、h. 似乎、好像做某事I seem to have a coldIt seems +从句似-. It seems that no one believe you.seem like -.好像,似乎. It seems like a good idea, arive in +大地点,= gtto= reach+地点名 “到达.arrive at +小地点(注:若后跟地点副词here/therehome,介词需省略,如: arive here; get home)4. feel like sth/ doing sth.感觉像是.5. wonder“想知道”,+疑问词(who, what, why)
5、引导的从句。because of +名/代/-ingBecause+从句,表示直接明确的原因或理由。He cant take a walk because of the rain.1 dont buy the shirt because it was too expensive.7.enough +名词:“足够.”形容词/副词+enoughUnit2 How often do you exercise?语法解析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2.“次数”
6、的表达方法一次once, 两次 twice,三次或三次以上用基数词+ times, three times,five times3、howoften “多久- -次”问频率,回答常含有频率词组或短语。常见的how疑问词:1) How soo多久(以后)- How soon will he be back?他多久能回来?- He will be back in a month.他一个月后能回来。eg.-How long did it take you to clean the house?你打扫房子用了多久?- -It took me half an hour to clean the hous
7、e.我打扫这房子用了半小时。3) How many+名复How much+不可名“多少”问数量(how much还可问价格)二知识点: .1. go to the movies去看电影2. look after= take care of照顾3. surf the internet.上 网4. healthy ifestyle健康的生活方式5. go skate boarding去划板6. keep healthy=stay healthy保持健康7. eatina habits饮食习惯8. take more exercise做更多的运动9. thesameas与什么相同10. be dfe
8、rtfrom不同11. oncea month一月一次12. twice a week一周两次13.make a dfference to对什么有影响14. most of the students=most student15. shop=qo shopping=do some17. bebadfor对什么有害some shopping购物16.begoodfor对什么有益18. come home from school放学回家19.of course = certainly= sure当然20. get g0 grades取得好成绩21. keepbe in good hea22. ta
9、ke a vacation去度假于成项词语辨析一、maybe/may be1. The baby is crying,_she is hungry.2. The woman _ _a teacher.maybe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.3.a few/few/a little /little_people can live to 100,but_people can live to 150.There is_time left, I dont catch the first bus.Could you give
10、 me_milk?a few少数的,几个,a little(点儿少量)表示肯定few很少的, 几乎没有little (很少的, 几乎没有)表示否定hard / hardly The ground is too_ to dig .I can understand them. hard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意为几乎不。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)。As for him, I
11、 never want to see him here.至于他,我永远不希望在这里见到。As for the story, youd better not believeit.关于那故事,你最好不要相信。5.That sounds interesting.这是主语+系动词+表语”结构的简单句。sound (听起来),loo (看起来),smell(闻起来),taste (尝起来),feel (觉得),seem (好象),grow (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。如:It tastes good.这味道好。The music sounds very swee
12、t.这音乐听起来很入耳。The smoke grew heavier and heavier.烟雾变得越来越浓了。2. Be about (介词)“是关.+名/代/V-ing4.Here be is+名单:Here is a photo of my family.“这是.”are +名复:Here are some books.5.find(found)+that 从句:发现.Eg:! found that most students go to school by bike.6.percent 名词, 百分之.百分数用基数+ perent (不用复数形式), percent 做主语时,谓语动
13、词的数要根据其后面的名词来确定e.g. 50% fifty percent百分之五 十Fifly percent of the apples are bad.50%的苹果都坏了。Twenty percent of the meat is in the fridge.20%的肉都在冰箱7.not .at all 一点也不”not应放在be动词、情态动词或助动词之后。The story isnt interesting at all.那个故事一 点也没有趣。8. It is+ adj. to do sth.干某事是.例如:It is interesting to play computer gam
14、es.玩电脑很有趣。9.the best way to do _sth. 做某事的最好方式e.g. The best way to learmn English is through more practice10. take, spend, payIt takes sb.sometime to do sth.“花费某人多少时间来做某事。人(sb.) spend时间钱on sth.“买某物花了.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 . for11.however副词,意为“然而,可是”,表示转折关系,可放在句首、句中、句末Uni
15、t3 Im more outgoing than my sister.语法解析形容词比较级1.形容词的原形就是原级,2.比较级,表示.最高级,表示最.2.比较句型:A+be动词+形容词的比较级+than +B“A比B . (注意: A与B必须是同级的,即必须是人与人,物与物进行对比)副词比较级常用的句型结构:.“A+实意动词+副词比较级+ than + B”表示“A比B.2.比较A,B两人两事物问其中哪- - 个较.时用句型;“Who/which +谓语动词+ adj./adv.比较级,Aor B ?”Who is thinner, Jenny or Mary?特殊用法1.“比较级+and+比
16、较级”,意为“越来越”。多音节比较级用more and more+原级2.“the+比较级(.). the+比较级(.)意思是:”越.越.The more, the better.3.主isthe 形比+of the two+名复“ 主语是两者中.”4.两者在某一方面相同: A+谓语动词+as+ adj/adv.原级+ as+ B.Helen is as tall as Amy.Peter studies as hard as Tom.表示两者在某一方面不及另 -方时,用“not as/so+形容词或副词原级+asEg. I am not as tall as my sister.形容词,副词
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