小学英语必考??20 个重要知识点精选

1、小学英语必考20 个重要知识点温馨提示：本文是笔者精心整理编制而成，有很强的的实用性和参考性，下载完成后可以直接编辑，并根据自己的需求进行修改套用。小学英语必考20 个重要知识点！1.现在进行时表示正在发生的事情或进行的动作, 常与now,listen,look 等词连用, 结构是主语+be 动词(am, is, are)+动词ing.如：It is raining now. 外面正在下雨It is six oclock now.现在6 点了My parents are reading newspapers in the sitting room.我父母正在客厅看报纸Look!The chil

2、dren are having a running race now.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.般现在时表示经常反复发生的事情或动作, 常与often, usually, sometimes, always,every day(week year) on Sundays 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, my mother, the boy等词时, 动词后加s 或es.如：We have an English lesson every day. 我们每天都要上英语课Do the boys r

3、un faster than the girls? Yes, they do.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, 后面动词定要还原。3.般过去时表示发生在过去的事情或存在的状态, 常与just now; a moment ago; ago;yesterday; last ( week; month; year; Monday; weekend); this morning 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 earphones were on

4、the ground just now. 我的耳机刚刚还在呢。Where were you last week? I was at a camp.你上个星期去哪了？我去野营了What did you do yesterday? I visited a farm你昨天去干嘛了？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didnt 后面动词还原。4.般将来时表示将要打算发生的事情或动作, 常与tomorrow, next week(year; Tuesday),this week( weekend ;

5、evening; afternoon;)today 等词连用。结构是主语+be(am, is, are) going to + 动原或主语+will +动原。如：What are you going to do tomorrow? I am going to have a picnic. 你明天要去干嘛？我要去野餐。The childre are going to have a sports meeting next week.孩子们下个星期将参加运动会。Tom will/is going to see a play with his father this evening.Tom 今晚将和父

6、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 后定加动词原形。如：The girl cant swim, but he can skate.女孩不会游泳, 但是会滑冰Dont talk in class, you should listen to the teacher carefully.不要再课上说话, 你应该认真听老师讲。6.祈使句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：Open the box for me ,please.请为我

7、打开盒子。Liu Tao! Please get up earlier tomorrow.刘涛, 明天请早点起床！ Dont walk on the grass! 不要在草地上走！Helen!Dont climb the tree,please.海伦！不要爬树。7.go 的用法去干嘛用go+动词ing如:go swimming; go fishing; go skating;go camping;go running;go skiing;go rowing8.比较than 前用比较级；asas 之间用原级。如：My mother is two years younger than my fat

8、her. 我妈比我爸年轻两岁。Liu Tao jumps as far as Ben.刘涛跳得和本样远。9.喜欢做某事用like+动词ing 或like+ to + 动原。如：Su Yang likes growing flowers. 苏阳喜欢种花。The children like to play with lanterns at Spring Festival.孩子们喜欢在春节去玩花灯。10.想要做某事用would like+to+动原或want + to +动原。例：Id like to visit the History Museum.=I want to visit the His

9、tory Museum 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：Can I have some writing paper? Would you like some orange juice?12.代词人称代词主格做主语用般放在句首或动词前, 主格分别是I you he she it we youthey。宾格做宾语用, 般放在动词或介词后如：Open them for me. Let us , join me 等。宾格分别是me you him her it us you them。形容词性物主代词放在名词前, 不能单独使用, 分别是my your

10、 his her its our 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mine yours his hers its ours yours 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：be good at running;do well in jumping;14.时间介词季节前, 月份前用介词in如：in summer；in March具体的哪天如星期几, 几月几日用介词on如：on Saturday; on the second of April; on Wednesday morning 在几点钟前用

11、介词at如：at a quarter to four;只在上下午晚上用in如：in the morning/ 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orangeoranges; photophotos;(2) 以x, s, sh, ch 结尾的加es 如：boxboxes;glassglasses; waitresswaitresses;watchwatches;peach-peaches(3) 以辅音字母加y 结尾的改y 为i 加es 如：studystudies

12、；librarylibraries; hobbyhobbies; familyfamilies;(4)以f, fe 结尾的改f, fe 为ves 如：knifeknives;thiefthieves（注:以o 结尾的我们学过的只有mango 加es, mangomangoes 其余加s,）不规则的有：manmen; womanwomen; peoplepeople;childchildren16.动词第三人称单数的构成(1)直接在动词后加s 如：runruns; dancedances(2)以s,sh,ch,o 结尾的加es如：dodoes;gogoes;washwashes;catchcat

13、ches(3)以辅音字母加y 结尾的改y 为i 加es如：studystudies;carrycarries;17.现在分词的构成(1)直接在动词后加ing如：singsinging;skiskiing;(2)双写词尾加ing如：swimswimming;jogjogging;runrunning;(3)以不发音的e 结尾的去e 加ing如：rideriding;dancedancing; makemaking;18.规则动词过去式的构成(1)直接在动词后加ed如：cleancleaned;milkmilked; playplayed;(2)以e 结尾的直接加d如：dancedanced;ta

14、stetasted;(3) 以辅音字母加y 结尾的改y 为i 加ed如：studystudied;carrycarried;(4)双写词尾加ed如：stopstopped;jogjogged;不规则的有：am,iswas; arewere; do,doesdid; have,hashad; gowent; meetmet;sitsat; seesaw; getgot; telltold; runran; comecame;stealstole;readread;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；smallsmaller;lowlower;(2)以e 结尾的加r如：latelarer;(3)双写词尾加er如：bigbigger;thinthinner; fatfatter; (4) 以辅音字母加y 结尾的改y 为i 加er如：heavyheavier;earlyearlier; 不规则的有：good, wellbetter(最高级为best); many