初一英语上册知识点人教版一、48个国际音标与26个英文字母的正确书写要熟练掌握元音和辅音,5个元音字母〔a,e,i,o,u〕,字母的正确占格与单词间距.二、be动词的用法be动词有三种变形,分别是:am,is,are.记忆口诀:"我"用am, "你"用are,is用于"他、她、它";单数全都用is,复数全部都用are.三、人称与人称代词的不同形式〔主格和宾格〕1、三种人称:第一人称〔I,we〕,第二人称〔you,you〕,第三人称〔he,she,it,Maria〕.2、人称代词的主格,即人称代词位于句子主语位置时的形态:I,We,You,You,He,She,It,Maria.3、人称代词的宾格,即人称代词位于句子宾语位置时的形态:me,us,you,you,him,her,it.4、形容词性物主代词:my,our,your,your,his,her,its,their.5、名词性物主代词:mine,ours,yours,yours,his,hers,its,theirs.6、反身代词:myself,ourselves,yourself,yourselves,himself,herself,itself,themselves.四、基数词〔表示数量多少的词,大致相当于代数里的自然数〕zero, one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen, twenty, twenty-one, twenty-two, twenty-three,twenty-four, twenty-five, twenty-six, twenty-seven,twenty-eight,twenty-nine,thirty,forty,fifty,sixty,seventy,eighty,ninety,onehundred,onehundredandone.五、一般疑问句与特殊疑问句1、一般疑问句:能用Yes或No来回答的问句.一般疑问句句尾读升调.2、特殊疑问句:不能用Yes或No来回答的问句.特殊疑问句句尾读降调.六、可数名词变复数可数名词变复数时,有规则变化和不规则变化两种.5〕have的三单形式是has.八、冠词的用法〔名词前面必须要有冠词〕冠词分为定冠词〔the〕和不定冠词〔a,an〕两种.1、定冠词the表示"特指",可译为"这个"、"那个"、"这些"、"那些".2、不定冠词a,an用来表明〔可数〕名词的数量是"一个".an用于以元音开头〔注意不是以元音字母开头〕的单词前,a则英语非元音开头的单词前.3、不定冠词a,an与基数词one的区别是:不定冠词不是刻意强调"数量",而基数词则强调"数量".九、助动词〔do,does〕的用法只有实意动词作谓语时才涉与使用助动词.以like为例:1〕当句子为肯定句时不涉与使用助动词,只涉与"主谓一致"原则.eg:IlikeEnglishalot.MichaellikesChinesefoodverymuch.2〕当句子为否定句时,要根据主语的人称来决定使用相应的助动词:当主语为"三单"时,要使用does;当主语为"非三单"时,用助动词原形do.例如把下列句子变否定句:Kangkang likes math.----Kangkang doesn't like math. They like sports.------They don't like sports. 3〕当句子变疑问句时,同样要根据句子的主语来决定在句首使用Do或Does.例如下列句子变问句:Michael likes Chinese Food.----Does Michael like Chinese food? Yes, he does./ No, he doesn't. JaneandHelenlikemusic.----DoJandandHelenlikemusic?Yes,theydo./No,theydon't.十、名词所有格1、Kangkang'sbooks;TomandHelen'sdesk;Ann'sandMaria'sbikes;2、用of表示"......的",但要从of后往of前翻译:abookofmine〔我的一本书〕3、have与of的区别:have一般表示"主动拥有",往往用于有生命的人或动物;无生命的物体一般不能"主动拥有",表示所属关系时要用of.例如:Ihaveanewbike.Shehastwobigeyes.adoorofthehouse十一、课本中的知识点1、Unit1 ——Unit21〕问候语:Good morning/ afternoon/ evening. How are you?---Just OK, thank you. How are you?---Not bad, thanks. Hi! Hello! Howdoyoudo?2〕道别用语:Nice/Gladtomeet/seeyou.〔meet用于初次见面,see用于熟人间〕Nicetomeet/seeyou,too.Goodbye. Byebye. Bye. See you ! So long! Good night! 3〕介绍人或者物的句型:Thisis...4〕Excuseme.与I'msorry.的区别:Excuseme.是要引起对方的注意,而I'msorry.则是向对方道歉.5〕词组befrom=efrominEnglish5〕当问句中问到this/that时,回答要用it;问到these/those时,要用they来回答.例如:What'sthisinEnglish?----It'saneraser.Whatarethose?----Theyarebooks.6〕对Thanks.的回答:That'sOK./You'rewele./Mypleasure.7〕lookthesame=havethesamelooksgivesth.tosb.=givesb.sth.belike=looklikeinthetree/onthetree〔树上结的、长出来的用on,否则用in〕inred〔穿着红色的衣服〕inthedesk〔在空间范围之内〕inEnglish〔用英语〕helpsb.dosth.8〕both与all的区别:both表示"两者都......";all表示"三者与以上都......".2、Unit3——Unit41〕speak的用法speak与say不同:speak表示"说"的动作,不表示"说"的内容;say则表示"说"的内容.speak后面除了能接"语言"外,不能直接接东西,后面加了to则表示"对......说".helpsb.withsth.〔帮助某人做/补习......〕wanttodosth.〔想要做某事〕wouldliketodosth.not...atall〔一点都不〕;Notatall.〔没关系/别介意〕like...alot=like...verymuch2〕some和any的区别:口诀:some用于肯定句,否定、疑问变any.例如:Ihavesomemoney.Idon'thaveanymoney.Doyouhaveanymoney?3〕haveaseat=takeaseat〔请随便坐〕4〕祈使句〔表示命令或请求的句子〕祈使句一般都省略了主语You,所以其否定句直接用Don't开头.例如:Don'tgothere!5〕问职业:What does sb. do? What is sb.? What's sb.'s job? 6〕work与job的区别:work是未必有报酬的"工作",例如homework,housework;而job则一定是有报酬的"工作".7〕on指在物体的表面,不论这个面是否水平的,例如:onthedesk/wall/farm/playground8〕inhospital〔住院〕;inthehospital〔在医院里〕lookafter〔照料/照顾/照看〕helponeself〔请自便/随便吃〕9〕表示"建议"的句型:"做某事如何?" Whataboutsth.?〔英式英语〕Howaboutsth.?〔美式英语〕Whydon'tyoudosth.?=Whynotdosth.?10〕"吃"一日三餐要用have:havebreakfast/lunch/supperhave...forbreakfast/lunch/suppertakeone'sorderbekindtosb.11〕tryon这个词组可合可分:名词可以放在这个词组的中间或后面,但代词只能放在词组的中间.12〕在口语中往往用take表示"买".13〕howmany与howmuch的区别:howmany+可数名词;howmuch+不可数名词14〕Whatdoyouthinkof...?是询问对方对某事物的看法;Howdoyoulike...?是问对方对某事物喜欢的程度.thinkabout〔考虑〕Thankyouallthesame.〔即使对方没能帮上忙,也要礼貌道谢〕Thanks.=Thankyou.〔thank作为动词,不能单独使用.〕15〕one与it的区别:当上下文说的是同一种类事物时,任意一个可以用one来代替;如果上下文所说的是同一个事物时则用it.例如:Ann:Ihaveayellowbag.Jane:Ihaveagreenone.Tom:Hey,Mike.Whereisyourbike?Mike:Look,it'soverthere.16〕倒装句Hereyouare.Hereitis.17〕befree〔有空/免费〕forgettodosth.〔忘了去做某事〕forgetdoingsth.〔忘了做过某事〕What'sup?=What'swrongwith...?=What'sthematterwith...?18〕go+v.-ing结构的含义:为了实现某目的才去的.例如:gofishing/boating/swimming/shopping等19〕havetodosth.〔非主观因素,强调客观因素,"不得不去做某事"〕must则表示主观愿望20〕flyakite=flykitesbefree=havetime21〕时间的表述当分针所指的时间大于0分、小于等于30分钟时,用"分钟"past"小时".例如:8:23——twenty-threepasteight当分针所指的时间大于30分钟、小于60分钟时,用"剩余的时间"to"下一个整点".例如:8:49——eleventonine当然,还可以直接按照小时、分钟去读出时间,例如:8:23——eighttwenty-three;8:49——eightforty-nine整点则在数词后加"-o'clock",例如:8:00——eighto'clock在钟点前介词要用at.22〕句型"该干某事了.":It'stimetodosth.=It'stimeforsth.例如:该吃午饭了.It's time to have lunch. = It's time for lunch.begoodwithsb.和某人相处得好helpsb.withsth.在某方面帮助某人bestrictwithsb.对某人要求严格bestrictinsth.对某事要求严格be。