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小升初英语必须掌握的词汇 ​小升初英语基础知识整理

火烧 2021-10-16 20:11:19 1053
​小升初英语基础知识整理 小升初现阶段是很多家长重视的考试,关系着孩子择校的问题。面对小升初的英语部分,大家知道都要了解哪些知识吗?你和你的孩子已经准备好了吗?当然,最不能忽视的就是基础知识,下面就是

​小升初英语基础知识整理  

小升初英语必须掌握的词汇 ​小升初英语基础知识整理
小升初现阶段是很多家长重视的考试,关系着孩子择校的问题。面对小升初的英语部分,大家知道都要了解哪些知识吗?你和你的孩子已经准备好了吗?当然,最不能忽视的就是基础知识,下面就是小升初英语的基础知识整理。,第一部分:基础知识,1.字母:26个字母的大小写,ABCDEFGHIJKLMNOPQRSTUVWXYZ,abcdefghijklmnopqrstuvwxyz,2.语音:元音的发音,五个元音字母:AEIOU,12个单元音:,前元音:[i:] [ɪ] /e/ [æ],中元音:[ɜ:] [ə],后元音:[ɑ:] [ɒ] [ɔ:] [u :] [ʊ] [ʌ],双元音(8个),合口双元音(5个)[ai] [ei] [au] [əu] [ɔi],集中双元音(3个) [iə][εə][uə],3.词汇:词汇量,近反义词,4.句子:大小写,标点符号,第二部分:语法知识,一.名词:名词单复数,名词的格,(一)名词单复数,一般情况,直接加-s,如:book-books, bag-bags, cat-cats, bed-beds,以s. x. sh. ch结尾,加-es,如:bus-buses, box-boxes, brush-brushes, watch-watches,以“辅音字母+y”结尾,变y为i, 再加-es,如:family-families, strawberry-strawberries,以“f或fe”结尾,变f或fe为v, 再加-es,如:knife-knives,不规则名词复数:,man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice,child-children, foot-feet, tooth-teeth, fish-fish, people-people, Chinese-Chinese, Japanese-Japanese,不可数名词的复数就是原型: paper, juice, water, milk, rice, tea,(二)名词的格,有生命的东西的名词所有格:,a) 单数后加 ’s 如: Lucy’s ruler my father’s shirt,b) 以s 结尾的复数名词后加 ’如: his friends’ bags,c) 不以s 结尾的复数后加 ’s children’s shoes,并列名词中,如果把 ’s加在最后一个名词后,表示共有, 如:,Tom and Mike’s car 汤姆和迈克共有的小汽车,要表示所有物不是共有的,应分别在并列名词后加’s,Tom’s and Mike’s cars 汤姆和麦克各自的小汽车,(2)表示无生命东西的名词通常用“ of +名词”来表示所有关系:如:,a picture of the classroom a map of China,第二部分:语法知识,二.冠词:不定冠词,定冠词种类:,(1)不定冠词:a / an a unit / an uncle,元音开头的可数名词前用an :,an egg / an apple / an orange / an eraser / an answer / an ID card / an alarm clock / an actor / an actress / an e-mail / an address / an event / an example / an opera / an houran old man / an interesting book / an exciting sport / an action movie / an art lesson /,(2)定冠词:the the egg the plane,2. 用法:,定冠词的用法:,特指某(些)人或某(些)物: The ruler is on the desk.,复述上文提到的人或物:He has a sweater. The sweater is new.,谈话双方都知道的人或物:The boys aren’t at school.,在序数词前: John’s birthday is February the second.,用于固定词组中: in the morning / afternoon / evening,不用冠词的情况:,专有名词前:China is a big country.,名词前有定语:this , that , my , your , some, any , no 等:,This is my baseball.,复数名词表示一类人和事:Monkeys can’t swim. They are teachers.,在节日,日期,月份,季节前:Today is Christmas Day. It’s Sunday.,一日三餐前:We have breakfast at 6:30.,球类 棋类运动前:They often play football after class. He plays chess at home.,* 但乐器前要用定冠词:I play the guitar very well.,学科名称前:My favorite subject is music.,在称呼或头衔的名词前:This is Mr Li.,固定词组中:at noon at night by bus,第二部分:语法知识,三、代词、形容词、副词,代词:人称代词,物主代词,人称代词物主代词,主格宾格,第一,人称单数I(我)memy(我的),复数we(我们)usour(我们的),第二,人称单数you(你)youyour(你的),复数you(你们)youyour(你们的),第三,人称单数he(他)himhis(他的),she(她)herher(她的),it(它)itits(它的),复数they(他们/她们/它们)themtheir(他们的/她们的/它们的),形容词,副词:比较级,最高级,(一)、形容词的比较级,1、形容词比较级在句子中的运用:两个事物或人的比较用比较级,比较级后面一般带有单词than。比较级前面可以用more, a little来修饰表示程度。than后的人称代词用主格(口语中可用宾格)。,2.形容词加er的规则:,一般在词尾加er ;,以字母e 结尾,加r ;,以一个元音字母和一个辅音字母结尾,应双写末尾的辅音字母,再加er ;,以“辅音字母+y”结尾,先把y变i,再加er 。,3.不规则形容词比较级:,good-better, beautiful-more beautiful,(二)副词的比较级,1.形容词与副词的区别(有be用形,有形用be;有动用副,有副用动),⑴在句子中形容词一般处于名词之前或be动词之后,⑵副词在句子中最常见的是处于实义动词之后,2.副词比较级的变化规则基本与形容词比较级相同(不规则变化:well-better, far-farther),第二部分:语法知识,四、数词:基数词、序数词,(1)1-20,one,o,three,four,five,six,seven,eight,nine,ten,eleven,elve,thirteen,fourteen,fifteen, sixteen,seventeen,eighteen,nieen,enty,(2)21-99 先说“几十”,再说“几”,中间加连字符。,23→enty-three,34→thirty-four,45→forty—five,56→fifty-six,67→sixty-seven,78→seventy-eight,89→eighty-nine,91→niy-one,(3)101—999先说“几百”,再加and,再加末两位数或末位数;,586→five hundred and eighty-six,803→eight hundred and three,(4)l,000以上,先从右往左数,每三位数加一个“,”,第一个“,”前为thousand.第二个“,”前为million,第三个“,”前为billion,1,001→one thousand and one,18,423→eighteen thousand,four hundred and enty-three,6,260,309→six million o hundred and sixty thousand three hundred and nine,750,000,000,000→seven hundred and fifty billion,序数词,(1)一般在基数词后加th,→fourth,thirteen→thirteenth,(2)不规则变化,one→first,o→second,three→third,five→fifth,eight→eighth,nine→ninth,elve—elfth,(3)以y结尾的十位整数,变y为ie再加th,enty→entieth, forty→fortieth, niy→niieth,(4)从二十一后的“几十几”直至“几百几十几”或“几千几百几十几”只将个位的基数词变为序数词。,enty-first,o hundred and forty-fifth,基数词转为序数词的口诀:,基变序,有规律,词尾加上-th.,一,二,三,特殊记,词尾字母t,d,d.,八去t,九去e, ve要用f替。,ty将y变成i,th前面有个e.,若是碰到几十几,前用基来后用序。,第二部分:语法知识,五、介词:常用介词:in, on, at, behind等,表示时间概念的某一个点。(在某时刻、时间、阶段等)。,at 1:00(dawn,midnight,noon)在一点钟(黎明、午夜、中午),1)表示具体日期。,注:(1)关于"在周末"的几种表示法:,at(on)the weekend在周末---特指,at(on)weekends在周末---泛指,over the weekend在整个周末,during the weekend在周末期间,(2)在圣诞节,应说at Christmas?而不说on Christmas?,2)在(刚……)的时候。,On reaching the city he called up his parents.,一到城里他就给父母打了一个电话。,1)表示"时段"、"时期",在多数情况下可以和during互换,前者强调对比,后者强调持续。 in(during)1988(December,the 20th century)在一九八八年(十二月、二十世纪),六、动词:动词的四种时态:,(1)一般现在时:,一般现在时的构成,1. be动词:主语+be(am, is, are)+其它。如: I am a boy. 我是一个男孩。,2. 行为动词:主语+行为动词(+其它)。 如: We study English. 我们学习英语。,当主语为第三人称单数(he, she, it)时,要在动词后加"-s"或"-es"。如:Mary likes Chinese.玛丽喜欢汉语。,动词+s的变化规则,1.一般情况下,直接加-s,如:cook-cooks, milk-milks,2.以s. x. sh. ch. o结尾,加-es,如:guess-guesses, wash-washes, watch-watches, go-goes,3.以“辅音字母+y”结尾,变y为i, 再加-es,如:study-studies,(2)一般过去时:,动词过去式详解 动词的过去式的构成规则有:,A、规则动词,① 一般直接在动词的后面加ed:如 worked , learned , cleaned , visited,② 以e结尾的动词直接加d:如 lived , danced , used,③ 以辅音字母加y结尾的动词要改y为i再加ed(此类动词较少)如 study – studied carry – carried worry – worried (注意play、stay不是辅音字母加y,所以不属于此类),④ 双写最后一个字母(此类动词较少)如 stopped,B、不规则动词(此类词并无规则,须熟记)小学阶段要记住以下动词的原形和过去式:sing – sang , eat – ate ,,see – saw , have – had , do – did , go – went , take – took , buy – bought , get – got , read – read ,fly – flew , am/is – was ,,are – were , say – said , leave – left , swim – swam , tell – told , draw – drew , e – came , lose – lost , find – found , drink – drank , hurt – hurt , feel – felt,(3)一般将来时:,基本结构:,①be going to + do;,②will+ do. be going to = will,I am going to go swimming tomorrow(明天). = I will go swimming tomorrow.,(4)现在进行时: am,is,are+动词现在分词,动词现在分词详解 动词的ing形式的构成规则:,① 一般的直接在后面加上ing , 如doing , going , working , singing , eating,② 以e 结尾的动词,要先去e再加ing ,如having , writing,③ 双写最后一个字母的(此类动词极少)有:running , swimming , sitting , getting,第三部分:句法,1.陈述句,(1)肯定句:是指用肯定的语气来陈述的句子,如:,I’m a student. She is a doctor. He works in a hospital.,There are four fans in our classroom. He will eat lunch at 12:00. I watched TV yesterday evening.,(2)、否定句:含有否定词或表示否定意义词的句子,如:,I’m not a student. She is not (isn’t) a doctor.,He does not (doesn’t) work in a hospital. There are not (aren’t) four fans in our classroom.,He will not (won’t) eat lunch at 12:00. I did not (didn’t) watch TV yesterday evening.,2. 疑问句,一般疑问句:是指询问事实的句子,此类句子必须用“yes”,或“no”来回答。,特殊疑问句:以特殊疑问词(what , where , who , which , when , whose , why , how等)开头引导的句子。此类句子应该问什么就答什么,不能用“yes 、no”来回答。,e be句型,There be 句型与have, has的区别,1、There be 句型表示:在某地有某物(或人),2、在there be 句型中,主语是单数,be 动词用is ; 主语是复数,be 动词用are ; 如有几件物品,be 动词根据最*近be 动词的那个名词决定。,3、there be 句型的否定句在be 动词后加not , 一般疑问句把be 动词调到句首。,4、there be句型与have(has) 的区别:there be 表示在某地有某物(或人);have(has) 表示某人拥有某物。,5、some 和any 在there be 句型中的运用:some 用于肯定句, any 用于否定句或疑问句。,6、and 和or 在there be句型中的运用:and 用于肯定句, or 用于否定句或疑问句。,7、针对数量提问的特殊疑问句的基本结构是:,How many + 名词复数 + are there + 介词短语?,How much + 不可数名词 + is there + 介词短语?,8、针对主语提问的特殊疑问句的基本结构是:,What’s + 介词短语?,上面这些英语知识,看似简单,其实想要全面掌握还真不是一件容易的事情。并不是简单的涉猎范围广而不好记忆,更重要的是在这些基础知识中蕴含着各种可以复杂变换的方向,需要大家好好注意,小编希望大家都能掌握学习的方法,顺利通关。  
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