1、八年级英语上册重点知识汇总Unit 1 Where did you go on vacation?【本单元的话题】谈论假期活动内容，复习一般过去时。【本单元的语法】1复习一般过去时；2.学习不定代词和不定副词的用法。【不定代词和不定副词的用法】（1）左边的some、any、every、no与右边的body、one、thing构成不定代词，some、any、every、no与右边的疑问副词where构成不定副词；（2）一般情况下以some开头的不定代词和不定副词用于肯定句，以any开头的不定代词和不定副词用于否定句、疑问句；以no开头的不定代词和不定副词表示否定含义（no one为两个单词）；（
2、3）不定代词或不定副词和形容词连用时，形容词放在后面。He has something important to do.他有重要的事情要做。（肯定句用something，形容词important放后） Did you buy anything special? （一般疑问句用anything，形容词special放后）Did you go anywhere interesting last month?上个月你去令人感兴趣的地方了吗？(一般疑问句用不定副词anywhere，形容词interesting放后)（4）不定代词和不定副词做主语时，后面的动词用单数形式。Everone is here
3、today.今天每个人都在这里。【本单元的短语和知识点】1.go on vacation去度假 go to the mountains 上山/进山2.stay at home呆在家go to the beach去海滩 visit museums 参观博物馆 go to summer camp去参观夏令营3.study for tests为考试而学习备考go out出去4.quite a few相当多,不少（后跟可数名词复数）take photos照相most of the time大部分时间 5.buy sth for sb = buy sb sth为某人买某物6.taste good.尝起来
4、很好 taste（尝起来）、look（看起来）、sound（听起来）为感官动词，后跟形容词7.have a goodgreatfun time过得高兴，玩得愉快（=enjoy oneself）8.go shopping去购物9.nothingbut+动词原形：除了之外什么都没有He had nothing to do at home but read yesterday.昨天他在家除了读书无事可做。10.seem to do sth:好像 I seem to know him.我好像认识他seem+（to be）+形容词：看起来The work seems（to be）easy.这工作看起来很
5、容易。11.keep a diary记日记12.in+大地方：达到某地 （get to +地方：达到某地）arrive at+小地方：达到某地 (get的过去式为got)若是arrive和get后跟home、there、here三个地点副词，后面的介词inatto必须去掉。Tom got home yesterday evening=Tom arrived home yesterday evening.昨晚汤姆到家。13.decide to do sth:决定做某事 14.try doing sth.尝试做某事try to do sth.尽力去做某事15.feel like给的感觉；感受到 1
6、6.in the past 在过去 walk around四处走走 enjoy doing sth:喜欢做某事17.difference(名词，差异，差别)- different(形容词，不同的)18.start doing sth：开始做某事 （= start to do sth）19.over an hour一个多小时 （over超过，多余 = more than）20.too many 太多，后接可数名词复数。too much 太多，后跟不可数名词，修饰动词作状语。much too 太，后跟形容词或副词 ， 分辨三者的口诀：too much, much too, 用法区别看后头:much
7、 后接不可数,too 后修饰形或副。too many 要记住，后面名词必复数。21.because of 因为,后接名词、代词或动名词（即动词+ing），不能接句子。because因为，后跟句子。He was late for school because of getting up late.他因为起晚而上学迟到。（get为动词） = He was late for school because he got up late.22.enough(足够的)与名词连用，一般放在名词前He has enough money .23.enough(足够的)与形容词或副词连用，enough放在后面。H
8、e is old enough to go to school.24.Forget doing sth.忘记已经做过某事（已经做完）Forget to do sth.忘记去做某事（还未做）25.so+形容词+that+句子：如此以至于too+形容词+to do sth：太以至于不能形容词+enough to do sth：足够能够做某事（注意三个句型有时可以互换）He is so young that he cant go to school.= He is too young to go to school.= He isnt old enough to go to school.Unit
9、2 How often do you exercise?【本单元的话题】谈论生活习惯，复习一般现在时。【本单元的语法】1.复习一般现在时；2.学习表示频率副词的用法。主要频率副词的等级排序：always(总是) usually (通常) often(经常) sometimes(有时) hardly ever(很少) never(从不)这些副词在句子中的位置，一般放在助动词、be动词或情态动词之后，行为动词之前。即：“行”前“助(系)”后。Peter is always late for school.Peter上学总是迟到。I usually do my homework in the eve
10、ning. 我通常在晚上做作业。提问 always, sometimes, twice a day 等频率副词，用 How often I watch TV every day.我每天都看电视How often do you watch TV?(你多长时间看一次电视？)【本单元的短语和知识点】1.on weekends在周末 go to the movies去看电影help with housework帮助做家务how often多久一次hardly ever几乎从不2.once a week每周一次 twice a week每周两次 every day每天 use the Internet用
11、互联网be free有空Are you free on weekends?你周末有空吗？4.stay up late熬夜 at least至少go to bed early早点睡觉play sports进行体育活动5.after school 放学后 6.want sth：需要某物 He wants a new pen.他想要一支新钢笔。want to do sth:想做某事 He wants to watch TV after school.放学后他想去看电视。want sb to do sth:让某人做某事 My mother wants me get up early.妈妈让我早起。7.
12、be good for对有好处be bad for 对有害处8. play computer games打电子游戏go camping去野营9.ask sb about sth：问某人某事My parents often ask me about my study.我的父母经常问我的学习情况。10.in ones spare time在某人业余时间He studies English in his spare time.11.(P13，2b)”数字+percent of+名词”做主语时，后面的单词取决于名词的情况。若名词为复数，后面的动词用复数形式；若名词为单数或不可数名词，后面的动词用单数形
13、式。In our class ,twenty of students are boys. Thirty of water is dirty.12.notat all:一点儿也不 （not构成否定句）I dont like the movie at all.13.go online上网=surf the Internet14.the answer to+名词：的答案 15.the (best) way to do sth: 做某事的(最好)方式The best way to learn English is speaking English.学习英语的最好方法是说英语.16.such as比如
14、（后跟名词或名词短语）for example 例如（后跟句子）He likes fruits,such as apples,bananas and so on.他喜欢水果，例如苹果、香蕉等。He has some good ways to study English,for example ,he often listens to tapes.17.more than (=over)超过，多余go to the dentist去看牙医Unit 3 Im more outgoing than my sister【本单元的话题】谈论事物对比，学习形容词比较级。【本单元的语法】学习形容词比较级。可参
15、见：干货！形容词比较级和最高级的所有知识点，都在这里了，快收藏！(可打印)【本单元的短语和知识点】1.play+the +乐器 play the drums打鼓 play +球类 play basketball打篮球2.bothand两者都(后面的动词用复数形式) Both Tom and Jim are students.3.be good at+名词代词Ving:擅长，在某方面做得好4.be like:像 The books are like friends.书像朋友。5.make friends (with sb)：（和某人）交朋友enjoy doing sth:喜欢做某事6.be di
16、fferent from与不同My brother is different from me.我弟弟与我不一样。7.help sb to (do) sth:帮助某人做某事常与help sb with sth(在某方面帮助某人)互换He often helps me （to） learn English.他经常帮助我学习英语。= He often helps me with my English.他经常在英语方面帮助我。help (to) do sth:帮助做某事He often helps（ to）cook at home.他经常在家帮助做饭。8.be good with sb:与某人相处很好
17、 9.information （n.消息，信息）不可数名词Unit 4 Whats the best movie theater?【本单元的话题】谈论事物对比， 学习形容词和副词的最高级。【本单元的语法】学习形容词和副词的最高级。【本单元的短语和知识点】1.welcome to+地点：欢迎来到某地 Welcome to our school.欢迎来我校。2.What do you think of sth?=How dou you like sth?你认为.怎么样？3.watch sb do sth:看见某人做了某事（= see sb do sth ）4.比较级别 +and+比较级：越来越（若
18、比较级为more+形容词原级，则为：more and more形容词原级）The buildings are taller and taller.Our school is getting more and more beautiful.5.around the world全世界=all over the world6.such as 例如Unit 5 Do you want to watch a game show?【本单元的话题】谈论自己对天使节目或电影的喜好，学会表达自己的感受。【本单元的语法】复习一般现在时。【本单元的短语和知识点】1.What do you think of sth?
19、=How dou you like sth?你认为怎么样？What do you think of the movie?你认为这部电影怎么样？It is boring.很无聊。2.mind doing sth:介意做某事 3.news (不可数名词，消息，信息) a piece of good news一条好消息4.learn (sth) from sb:向某人学习（某物）5.plan to do sth:计划做某事（plan的过去式planned,现在分词planning）6.hope to do sth:希望做某事8.favorite (形容词，最喜爱的)= likebestMy favo
20、rite shows are talk shows.我最喜欢的节目是谈话节目。=I like talk shows best.9.expect to do sth:期待做某事10.think of认为，想起He often thinks of his teachers.11.in the 1930s:在二十世纪三十年代（1930年至1939年）10.12.one of +可数名词复数：之一（该短语放在句首做主语时，后面的动词用单数形式）One of the students has an English dictionary.这些学生中一个人有英语字典。14.luck(名词，幸运,运气)lucky(形容词,幸运的)-unlucky (形容词,不幸的)15.be ready to do sth乐意做某事 16.try ones best （to do sth）:尽力（做某事）4
