小学英语3—6年级必考知识点大全

1.现在进行时表示正在发生的事情或进行的动作，常与nowjisten.look等词连用，结构是主语+be动词am,is,are+动词ing.如:Itis rainingnow.外面正在下雨Itis sixoclocknow.现在6点了My parentsarereadingnewspapersinthesittingroom.我父母正在客厅看报纸Look!Thechildren arehavinga runningracenow.看！孩子们正在赛跑问句将be动词移前，否定句在be动词后+not.

2.一般现在时表示经常反要发生的事情或动作，常与often,usually,sometimes,always,everydayweek year...onSundays等词连用结构是主语+动词原形；当主语为第三人称单数即he,she,it,Tom,mymother,theboy等词时，动词后加s或es.如:Wehave anEnglishlesson everyday.我们每天都要上英语课Do theboysrunfasterthanthegirlsYes,theydo.男孩比女孩跑的快吗？是的问句借助于do,does否定句借助于dont,doesnt,后面动词一定要还原

3.一般过去时表示发生在过去的事情或存在的状态，常与justnow;a momentago;...ago;yesterday;last week;month;year;Monday;weekend;thismorning等词连用结构是主语+be动词的过去式was;were或主语+动词的过去式.注意be动词与动词过去式不可同时使用如:My earphoneswereontheground justnow.我的耳机刚刚还在呢.----Wherewereyou lastweek你上个星期去哪了？all表示三者以上都如:Thestudentsareall veryexcited.

30.节日的表示法有day的节日前用on.没有day的节日前用at,如atChristmas;onChristmasDay;at NewYear;onNew YearsDay.

31.激动兴奋的excited表示激动的，兴奋地主语是人；exciting表示令人激动的，令人兴奋的主语是事情如:Therunning raceisvery exciting,so allthestudentsareveryexcited.赛跑非常令人激动，因此所有的学生都很激动

32.比较两者比较用比较级，三者以上比较用最高级如:Whorunsfaster,theboy orthegirl Theboydoes谁跑得更快，男孩还是女孩？男孩.Whichseasondoyou likebestIlikeautumn best.你最喜欢哪个季节？我最喜欢秋天Whichseasondoyou likebetter,summer orwinterIlikewinter better.你更喜欢哪个季节，夏天还是冬天？我更喜欢冬天.

33.动词还原的用法前面用了do,doesdid,dont,doesntdidnt后面动词要还原.如Did shewatchTVlastnightHelen doesntliketakingphotos.

34.到了到达用getto但注意到家，到这儿,到那儿不可以加to如:get home;get here;get there,另外gohome;comehere;gothere也一样

35.长者和穿着长着什么用with如thegirl withbigeyes大眼睛的女孩；穿着什么用in如:theman inblack穿黑衣服的男人或:thewoman inthewhiteskirt穿白色短裙的妇女

36.让某人做某事用let sb后加动词原形如:Letswater theflowerstogether.是该做…的时候了用Itstimefor+名词或Itstimeto+动原帮助某人做某事是helpsbwith sth如帮我学英语是helpmewith myEnglish

37.树上外来的东西在树上用in thetree如thebird inthetree;树上长的用onthetree如:theappleson thetree

38.运动和乐器球类之前不加the;乐器之前必须加the如:playthepiano;playfootball

39.get后加比较级表示变得更怎么样如:get stronger;get longer-----1was atacamp.我去野营了-----Whatdid youdoyesterday你昨天去干嘛了-----1visited afarm我去参观农场了问句有be动词将be动词移前，没有be动词借助于did,后面动词还原；否定句有be动词在后面加not,没有借助于didn t后面动词还原.

4.一般将来时表示将要打算发生的事情或动作，常与tomorrow,next weekyear;Tuesday...,thisweek weekend;evening;afternoon;...today等词连用.结构是主语+beam,is.aregoing to+动原或主语+will+动原.如:--------Whatareyou goingtodo tomorrow你明天要去干唏？-----1am goingtohave apicnic.我要去野簇.Thechildre aregoingtohaveasportsmeeting nextweek.孩子们下个星期将参加运动会.Tom will/isgoing toseeaplaywith hisfatherthisevening.Tom今晚将和父母去看演出问句将be动词或will移前；否定句在be动词或will后加not.

5.情态动词can;cant;should;shouldnt;must;may后一定加动词原形.如:Thegirl cantswim,but shecanskate.女孩不会游泳，但是会滑冰Donttalk inclass,you shouldlisten totheteachercarefully.不要再课上说话，你应该认真听老师讲肯定祈使句以动词原形开头；否定祈使句以dont加动词原形开头.如:Opentheboxforme.please.请为我打开盒子.Liu Tao!Pleaseget upearlier tomorrow.刘涛，明天请早点起床！Dontwalk onthegrass!不要在草地上走！Helen!Dont climbthetree,please.海伦！不要爬树

7.go的用法去干嘛用go+动词ing如goswimming;go fishing;goskating;gocamping;gorunningjgoskiing;gorowing...

8.比较than前用比较级；as...as之间用原级如Mymother istwo yearsyoungerthanmyfather.我妈比我爸年轻两岁.Liu TaojumpsasfarasBen.刘涛跳得和本一样远.

9.喜欢做某事用like+动词ing或like+to+动原.如:Su Yanglikesgrowingflowers.苏阳百欢种花Thechildren liketoplaywithlanternsat SpringFestival.孩子们喜欢在春节去玩花灯.用would like+to+动原或want+to+动原例:Idliketovisit theHistoryMuseum.=1want tovisittheHistoryMuseum

11.some用于肯定句中，在否定句和问句中改为any,但当表示委婉语气时仍用如:CanI havesomewriting paperWouldyoulikesomeorangejuice

12.代词人称代词主格做主语用一般放在句首或动词前，主格分别是I youhesheit weyou they.宾格做宾语用，一般放在动词或介词后如:Openthemforme.Letus....joinme等宾格分别是meyou himher itusyou them.形容词性物主代词放在名词前,不能单独使用，分别是myyourhis heritsour yourtheir名词性物主代词相当于形物加名词，它只能单独使用后面不好加名词，分别是mineyourshishersitsoursyours theirs.

13.介词介词后要么不加动词，加动词只能加动词ing形式如:begood atrunning;dowell injumping;

14.时间介词季节前，月份前用介词in如:in summer;in March具体的哪一天如星期几，几月几日用介词on如:onSaturday;onthesecondof April;onWednesdaymorning在几点钟前用介词at如ata quartertofour;只在上下午晚上用in如inthemorning/afternoon/evening;但在夜间用at night.另季节，月份和星期前不好加the.

15.名词复数构成的方法有规则的有1直接在名词后加s如orange—oranges;photo-photos;2以x,s,sh,ch结尾的加es如:box—boxes;glass—glasses;waitress—waitresses;watch—watches;peach-peaches3以辅音字母加y结尾的改y为i加es如:study—studies;library—libraries;hobby—hobbies;family—families;4以f,fe结尾的改f,fe为v+es如knife—knives;thief—thieves注:以o结尾的我们学过的只有mango加es,mango—mangoes其余加s,不规则的有man—men;woman—women;people—people;child-children

16.动词第三人称单数的构成1直接在动词后加s如:run—runs;dance—dances2以s,sh,ch,o结尾的加es如do—does;go—goes;wash—washes;catch—catches3以辅音字母加y结尾的改y为i加es如:study—studies;carry—carries;1直接在动词后加ing如:sing—singing;ski-skiing;2双写词尾加ing如:swim—swimming;jog—jogging;run—running;3以不发音的e结尾的去e加ing如ride—riding;dance—dancing;make—making;

18.规则动词过去式的构成1直接在动词后加ed如:clean—cleaned;milk—milked;play—played;2以e结尾的直接加d如:dance—danced;taste—tasted;3以辅音字母加y结尾的改y为i加ed如:study—studied;carry—carried;4双写词尾加ed如:stop—stopped;jog—jogged;不规则的有am.is—was;are—were;do,does—did;have,has—had;go—went;meet—met;sit—sat;see—saw;get—got;tell—told;run—ran;come—came;steal—stole;read—read;

19.形容词副词比较级的构成规则的1直接在形容词或副词后加er如；small—smaller;low—lower;2以e结尾的加r如:late—larer;3双写词尾加er如:big—bigger;thin—thinner;fat-fatter;4以辅音字母加y结尾的改y为i加er如:heavy—heavier;early—earlier;不规则的有good,well—better最高级为best;many,much-more最高级为most;far—farther;

20.rain与snow的用法1作为名词意思是雨水和雪是不可数名词如:Thereis alotof rainthereinspring.那儿的春天有很多雨水.2作为动词意思是下雨和下雪，有四种形式分别是动词原形rain,snow;第三人称单数rains,snows;现在分词raining;snowing过去式rained;snowed;如

①Look!Itis rainingnow.瞧！天正在下雨.2Itoftenrains inNantonginsummer.南通夏天经常下雨.3Itrained yesterday.昨天下了雨.4Itis goingtoraintomorrow.明天要下雨.3形容词为rainy和snowy意思是有雨的和有雪的如:It isoftenrainyherein spring.这儿的春天经常是有雨的.If itis rainytomorrow,l*ll stayathome.如果明天是有雨的,我将呆在家里

21.比较级注意只有同类事物才可进行比较.如:My eyesarebiggerthanhers.Your schoolbagis heavierthanmine.My computerisnicer thanNancys.My brotherisstronger thanme.

22.have,has表示某人有has用于第三人称单数；Thereis/are;Therewas/were表示某地存在有注意Therebe句型的就近原则单数或不可数用thereis/was;复数用thereare/were.

23.本身就是复数的词眼镜glasses;耳机earphones;鞋shoes:裤子trousers等词本身是复数.如:My glasseswereonthechair justnow.但如果表示这双，这副，一双的时候用单数如:Thereis apairofchopsticksontheplate.Thispair ofearphonesisfor you.

24.五个元音字母分别是Aa,Ee,li,Oo,Uu;

25.一个的用法a用于辅音前不是辅音字母前；an用于元音前不是元音字母前如:Thereis ans,a,f,a u,a*d,ane,ann.andat intheword student.

26.时间表示法有两种1直接读时钟和分钟.如6:10读成sixten;7:30读成seven thirty;8:45读成eight forty-five;⑵用to与past表示在半小时包括半小时以内用几分past几点如6:10读成tenpast six;7:30读成half pastseven;过了半小时用下一个钟点差几分如7:45读成a quartertoeight;9:50读成tentoten;27基数词变序数词的方法基变序有规律，结尾加上th;一二三特殊例，结尾字母t、d即first,second,third;八去t,九去e,ve要用f替即eigh—eighth;nine—ninth;five-fifthjtwelve—twelfth;ty改y为ie后加th别忘记即整十数如twenty—twentieth;forty—fortieth;几十几十位为基个位为序如第二十一为twenty-first.另外强调序数词前一定要加the.

28.日期的表示法用the+序数词+of+月如:三月三日thethirdof March;12月25日the25thof December.

29.both表示两者都如:My parentsarebothteachers.。