新人教版英语八年级上各单元知识点大归纳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】(一)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Somebody/one/thing Anybody/one/thing Everybody/one/thing Nobody/one/thing复合不定代词NoneEither/neitherBothothersSome/anyoneNo/allEvery/eachOther/anotherMany/muchFew/littleA few/ a little可兼做形容词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 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：something interesting4. much和many均表示”很多”. 但many只代替或修饰可数名词复数;而much 只代替或修饰不可数名词.5. few与a few是一对反义词,代替或修饰可数名词复数; little与a little是反义词, 代替或修饰不可数名词. Few与little表”很少,几乎没有”,否定含义. A few与a little表”有一些”, 肯定含义.6. 除no one外,其余都写成一个词.二、复习一般过去时;(见七年级下册p112) 注意不规则变化的动词过去式.知识点：1. buy sth for 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 sth.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quite a few+名词复数“许多…”2. seem 形容词看起来….. You seem happy today.to do sth. 似乎、好像做某事 I seem to have a coldIt seems + 从句似乎…. It seems that no one believe you.seem like ….好像，似乎….. It seems like a good idea.3. arrive in +大地点，= get to= reach+地点名“到达...”arrive at +小地点（注：若后跟地点副词here/there/home, 介词需省略，如：arrive here; get home）4. feel like sth/ doing sth. 感觉像是…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，表示直接明确的原因或理由。
He can’t take a walk because of the rain.I don’t 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中2.“次数”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 times,3、how often“多久一次”问频率，回答常含有频率词组或短语。
常见的how疑问词：1）How soon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。
2）how long “多久”，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 house. 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 lifestyle 健康的生活方式5. go skate boarding 去划板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 对什么有影响14. most of the students=most student15.shop=go shopping=do some shopping 购物16. be good for 对什么有益17. be bad for对什么有害18. come home from school放学回家19 .of course = certainly = sure当然20. get good grades取得好成绩21. keep/be in good health保持健康22. take a vacation 去度假【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..”.二、1）a few / few / a little / little1. people can live to 100,but people can live to 150.2. There is time left, I don’t catch the first bus.3. Could you give me milk?a few (少数的，几个，一些) a little (一点儿，少量) 表示肯定few (很少的，几乎没有的) little (很少的，几乎没有的) 表示否定修饰可数名词修饰不可数名词1. The ground is too to dig2. I can understand them.3. It’s raining,the people can go outside.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）。
如：As for him，I never want to see him here. 至于他，我永远不希望在这里见到。
As for the story，you'd better not believe it. 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），look（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 sweet. 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）“是关于…”+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:I found that most students go to school by bike.6.percent 名词，意为“百分之……”百分数用基数+ 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e.g. 50％fifty percent百分之五十Fifty 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 意为“一点也不”. not应放在be动词、情态动词或助动词之后。