六年级英语常考语法.docx

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 children 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. 一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 run 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 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。一般过去时1一般过去时表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作感谢。2Be动词在一般过去时中的变化： am 和is在一般过去时中变为was。（was not=wasnt） are在一般过去时中变为were。（were not=werent） 带有was或were的句子，其否定、疑问的变化和is, am, are一样，即否定句在was或were后加not，一般疑问句把was或were调到句首。3 句中没有be动词的一般过去时的句子 否定句：didnt +动词原形，如：Jim didnt go home yesterday. 一般疑问句：在句首加did，句子中的动词过去式变回原形。如：Did Jim go home yesterday? 特殊疑问句： 疑问词+did+主语+动词原形？如： What did Jim do yesterday? 疑问词当主语时：疑问词+动词过去式？如：Who went to home yesterday? 4. 情态动词can; cant; should; shouldnt; must; may后一定加动词原形。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。5. 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。6. 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 rowing7. 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。 8 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 History Museum9. 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?10.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 you he she it we you they。宾格做宾语用，一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 his her its our your their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。11. 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;12. 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：on Saturday; on the second of April; on Wednesday morning在几点钟前用介词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.13. 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;librarylibraries; hobbyhobbies; familyfamilies;(4)以f, fe结尾的改f, fe 为v+es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; childchildren14. 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;catchcatches(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; tastetasted;(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;动词过去式变化规则：1一般在动词末尾加-ed，如：pull-pulled, cook-cooked2结尾是e加d，如：taste-tasted3末尾只有一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加-ed，如：stop-stopped4以“辅音字母+y”结尾的，变y为i， 再加-ed，如：study-studied5不规则动词过去式： am,is-was, are-were, do-did, see-saw, say-said, give-gave, get-got, go-went, come-came, have-had, eat-ate, take-took, run-ran, sing-sang, put-put, make-made, read-read, write-wrote, draw-drew, drink-drank, fly-flew, ride-rode, speak-spoke, sweep-swept, swim-swam, sit-sat20.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：There is a lot of rain there in spring. 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：Look! It is raining now. 瞧!天正在下雨。It often rains in Nantong in summer.南通夏天经常下雨。 It rained yesterday.昨天下了雨。It is going to rain tomorrow. 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 is often rainy here in spring.这儿的春天经常是有雨的。If it is rainy tomorrow, Ill stay at home.如果明天是有雨的，我将呆在家里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, 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：There is a lot of rain there in spring. 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：Look! It is raining now. 瞧!天正在下雨。It often rains in Nantong in summer.南通夏天经常下雨。 It rained yesterday.昨天下了雨。It is going to rain tomorrow. 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 is often rainy here in spring.这儿的春天经常是有雨的。If it is rainy tomorrow, Ill stay at home.如果明天是有雨的，我将呆在家里8.比较than 前用比较级;asas之间用原级。如：My mother is two years younger than my father.我妈比我爸年轻两岁。Liu Tao jumps as far as Ben.刘涛跳得和本一样远。be going to1be going to 表示将要发生的事或打算、计划、决定要做的事情。2肯定句：be going to +动词原形，如：Jim is going to play football. 否定句：be