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1、初中英语知识点1、现在进展时表示正在发生的事情或进展的动作，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，否认句在be动词后+not.2、一般现在时表示经常反复发生的事情或动
2、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否认句借助于dont, doesnt，后面动词一定要复原。3
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 yo
4、u 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，后面动词复原；否认句有be动词在后面加not，没有借助于didnt后面动词复原。4、一般将来时表示将要打算发生的事情或动作，常与tomorrow, next week(year; Tuesday), this week( weekend ;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
5、 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今晚将和父母去看演出。问句将be动词或will移前；否认句在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：The girl can
6、t swim, but she 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，你应该认真听教师讲。6、祈使句肯定祈使句以动词原形开头；否认祈使句以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.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
7、,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、比拟than 前用比拟级；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.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 Yang likes growing flower
8、s.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 History Museum11、some用于肯定句中，在否认句和问句中改为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?
9、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 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。13、介词介词后要么不加动词，加动
10、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.15、名词复数构成的方法有规那么的有
11、：(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ves如：knifeknives; thiefthieves注:以o结尾的我们学过的只有mango加es, mangoma
12、ngoes其余加s,不规那么的有：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;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; jogjogg
13、ing;runrunning;(3)以不发音的e结尾的去e加ing如：rideriding; dancedancing; makemaking;18、规那么动词过去式的构成(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;不规那么的有：am,iswas; arewere; do,doesdid; ha
14、ve,hashad; gowent; meetmet; sitsat; seesaw; getgot; telltold; runran; comecame; stealstole; readread;19、形容词副词比拟级的构成规那么的：(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;不规那么的有：good, wellbett
15、er(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.夏天经常下雨。 It rained yesterday.昨天下了雨。It is going to rain tomo
