初中英语语法(1--2)

初中一年级英语语法本文为你提供的是初一英语语法大全，其中包括1，名词，代词，形容词，动词，冠词；一般现在，将来时。初一的语法知识包括：主要掌握几种时态1，一般现在时2，一般过去时3，一般将来时4，现在进行时还有几种词1，名词2，代词3，形容词4，动词5，冠词初一英语语法一、词法1、名词A）、名词的数我们知道名词可以分为可数名词和不可数名词，而不可数名词它没有复数形式，但可数名词却有单数和复数之分，复数的构成如下：一）在后面加s。如：fathers, books, Americans, Germans, apples, bananas二）x, sh, ch, s, tch后加es。如：boxes, glasses, dresses, watches, wishes, faxes三）1）以辅音字母加y结尾的变y为i再加es如：baby-babies, family-families, duty-duties, comedy-comedies, documentary-documentaries, story-stories2）以元音字母加y结尾的直接加s。如：day-days, boy-boys, toy-toys, key-keys, ways四）以o结尾加s（外来词）。如：radios, photos, 但如是辅音加o的加es：如: tomatoes西红柿, potatoes马铃薯五）以f或fe结尾的变f为v再加es(s)。如：knife-knives, wife-wives, half-halves, shelf-shelves, leaf-leaves, yourself-yourselves六）单复数相同（不变的）有：fish, sheep, deer鹿子, Chinese, Japanese七）一般只有复数，没有单数的有：people, pants, shorts, shoes, glasses, gloves, clothes, socks八）单词形式不变，既可以是单数也可以是复数的有：police警察局，警察, class班，同学, family家，家庭成员九）合成的复数一般只加主要名词，多数为后一个单词。如：action movie-action movies, pen pal-pen pals; 但如果是由man或woman所组成的合成词的复数则同时为复数。如：man doctor-men doctors, woman teacher-women teachers十）有的单复数意思不同。如：fish鱼 fishes鱼的种类, paper纸 papers报纸，卷子，论文, work工作 works作品，工厂, glass玻璃 glasses玻璃杯，眼镜,orange桔子水 oranges橙子, light光线 lights灯, people人 peoples民族,time时间 times时代, 次数, chicken 鸡肉chickens 小鸡十一） 单个字母的复数可以有两种形式直接加s或s。如：Is (Is), Ks (Ks)。但如是缩略词则只加s。如：IDs, VCDs, SARs十二） 特殊形式的有：child-children, man-men, woman-women, foot-feet, mouse-mice, policeman-policemen, Englishman-EnglishmenB）名词的格当我们要表示某人的什么东西或人时，我们就要使用所有格形式。构成如下：一）单数在后面加s。如：brothers, Mikes, teachers二）复数以s结尾的直接在s后加，如果不是以s结尾的与单数一样处理。如：Teachers Day教师节, classmates; Childrens Day六一节, Womens Day三八节三）由and并列的名词所有时，如果是共同所有同一人或物时，只加最后一个s，但分别拥有时却分别按单数形式处理。如：Mike and Bens room迈克和本的房间（共住一间），Mikes and Bens rooms迈克和本的房间（各自的房间）2、代词项目 人称代词 物主代词 指示代词 反身代词 人称 主格 宾格 形容词 名词性 第一人称 单数 I me my mine myself 复数 we us our ours ourselves 第二人称 单数 you you your yours yourself 复数 you you your yours yourselves 第三人称 单数 she her her hers herself he him his his himself it it its its this that itself 复数 they them their theirs these those themselves 3、动词A） 第三人称单数当动词是第三人称单数时，动词应该像名词的单数变动词那样加s，如下：一）一般在词后加s。如：comes, spells, waits, talks, sees, dances, trains二）在x, sh, ch, s, tch后加es。如：watches, washes, wishes, finishes三）1）以辅音字母加y结尾的变y为i再加es。如：study-studies, hurry-hurries, try-tries2）以元音字母加y结尾的直接加s。如：plays, says, stays, enjoys, buys四）以o结尾加es。如：does, goes五）特殊的有：are-is, have-hasB） 现在分词当我们说某人正在做什么事时，动词要使用分词形式，不能用原形，构成如下：一）一般在后加ing。如：spell-spelling, sing-singing, see-seeing, train-training, play-playing, hurry-hurrying, watch-watching, go-going, do-doing二）以不发音e的结尾的去掉e再加ing。如：dance-dancing, wake-waking, take-taking, practice-practicing, write-writing, have-having三）以重读闭音节结尾且一个元音字母一个辅音字母（注意除开字母组合如show showing, draw-drawing）要双写最后的辅音字母再加ing。如：put-putting, run-running, get-getting, let-letting, begin-beginning四）以ie结尾的变ie为y再加ing。如：tie-tying系die-dying死lie-lying 位于4、形容词的级我们在对两个或以上的人或物进行对比时，则要使用比较或最高级形式。构成如下：一） 一般在词后加er或est(如果是以e结尾则直接加r或st)。如：greater-greatest, shorter shortest, taller tallest, longer longest, nicer- nicest, larger -largest二）以重读闭音节结尾且1个元音字母1个辅音字母(字母组合除外，如few-fewer fewest)结尾的双写结尾的辅音再加er /est。如：big-bigger biggest, red-redder reddest, hot-hotter hottest三） 以辅音字母y结尾的变y为i加er/est。如：happy-happier happiest, sorry-sorrier sorriest, friendly-friendlier friendliest(more friendly most friendly), busy-busier busiest, easy-easier easiest四）特殊情况：(两好多坏，一少老远)good/well - better best many/much - more most bad/ill worse worstlittle- less least old- older/elder oldest/eldest far- farther/further farthest/furthest5、数词 (基变序，有规则；一、二、三，自己背；五、八、九、十二；其它后接th；y结尾，变为i, eth跟上去。) first, second, third; fifth, eighth, ninth, twelfth; seventh, tenth, thirteenth, hundredth; twenty-twentieth, forty-fortieth, ninety-ninetieth二、句式1.陈述句肯定陈述句 a) This is a book. (be动词)b) He looks very young. (连系动词)c) I want a sweat like this. (实义动词)d) I can bring some things to school. (情态动词)e) Theres a computer on my desk. (There be结构)否定陈述句 a) These arent their books. b) They dont look nice.c) Kate doesnt go to No. 4 Middle School. d) Kate cant find her doll.e) There isnt a cat here. (=Theres no cat here.)2. 祈使句肯定祈使句 a) Please go and ask the man. b) Lets learn English!c) Come in, please.否定祈使句a) Dont be late. b) Dont hurry.3. 疑问句1) 一般疑问句 a) Is Jim a student?b) Can I help you? c) Does she like salad?d) Do they watch TV? e) Is she reading?肯定回答: a) Yes, he is. b) Yes, you can. c) Yes, she does. d) Yes, they do. e) Yes, she is.否定回答: a) No, he isnt. b) No, you cant. c) No, she doesnt. d) No, they dont. e) No, she isnt.2) 选择疑问句 Is the table big or small?回答 Its big./ Its small.3) 特殊疑问句问年龄 How old is Lucy? She is twelve.问种类What kind of movies do you like? I like action movies and comedies.问身体状况 How is your uncle? He is well/fine.问方式 How do/can you spell it? L-double O-K.How do we contact you? My e-mail address is .问原因Why do you want to join the club?问时间 Whats the time? (=What time is it?) Its a quarter to ten a.m.What time do you usually get up, Rick? At five oclock.When do you want to go? Lets go at 7:00.问地方 Wheres my backpack? Its under the table.问颜色 What color are they? They are light blue.Whats your favourite color? Its black.问人物 Whos that? Its my sister.Who is the boy in blue? My brother.Who isnt at school? Peter and Emma.Who are Lisa and Tim talking to?问东西 Whats this/that (in English)? Its a pencil case.What else can you see in the picture? I can see some broccoli, strawberries and hamburgers.11问姓名 Whats your aunts name? Her name is Helen./Shes Helen.Whats your first name? My first names Ben.Whats your family name? My family names Smith.12 问哪一个 Which do you like? I like one in the box.13 问字母What letter is it? Its big D/small f.14 问价格How much are these pants? Theyre 15 dollars.15 问电话号码 Whats your phone number? Its 576-8349.16 问谓语(动作) Whats he doing? Hes watching TV.17 问职业(身份) What do you do? Im a teacher.Whats your father? Hes a doctor.三、时态1、一般现在时表示普遍、经常性的或长期性的动作时使用一般现在时，它有：Be 动词：Shes a worker. Is she a worker? She isnt a worker.情态动词：I can play the piano. Can you play the piano? I cant play the piano.行为动词：They want to eat some tomatoes. Do they want to eat any tomatoes? They dont want to eat any tomatoes.Gina has a nice watch. Does Gina have a nice watch? Gina doesnt have a watch.2、现在进行时表示动词在此时正在发生或进行就使用进行时态，结构为sb be v-ing sth + 其它.Im playing baseball. Are you playing baseball? Im not playing baseball.Nancy is writing a letter. Is Nancy writing a letter? Nancy isnt writing a letter.Theyre listening to the pop music. Are they listening the pop music? They arent listening to the pop music.初中二年级语法动词时态的句子结构及关键词: 一般现在时: 句子结构: 肯定句 主语+be (am, is, are ) + 其他 否定句 主语+be not +其他 疑问句 Be+主语+其他 或: 肯定句 主语+动词原型+其他 ( 第三人称单数作 主语动词要加s ) 否定句 主语+dont+动词原型+其他(第三人称单数作 主语dont改为doesnt) 疑问句 DO+主语+动词原型+其他(第三人称单数作 主语do改为does) 关键词: some times, often, usually, always, every day, on Sunday afternoon, at 10 oclock in the morning, five days a week, three times a month等. 注:在时间状语从句,条件状语从句中,常用一般现在时表示将来时,这时一般从 句用一般现在时,主句用将来时 现在进行时: 句子结构:肯定句 主语+be +动词的现在分词+其他 否定句 主语+be not+动词的现在分词+其他 疑问句 Be +主语+动词的现在分词+其他 关键词:now, right now, at the moment, Its+几点钟等的句子.或look, listen, keep quiet等提示语. 一般将来时: 句子结构: 肯定句 主语+will+动词原型+其他 否定句 主语+will not +动词原型+其他 疑问句 Will +主语+动词原型+其他 (will 可改为be going to ,当主语是第一人称时will可用shall) 关键词:tomorrow, tomorrow morning, at seven oclock tomorrow evening, next year, at ten oclock next Sunday, this year, at the end of this term, from now on, in the year 2008, soon, in a few days time, in the future 等. 一般过去时: 句子结构:肯定句 主语+be(was,were)+其他 否定句 主语+be not+其他 疑问句 Be+主语+其他 或: 肯定句 主语+动词的过去式+其他 否定句 主语+did not+动词原型+其他 疑问句 Did+主语+动词原型+其他 关键词:yesterday,yesterday morning等 ,last week, last year, at the end of last term, 一段时间+ago如:ten years ago, five hours ago, on January 1st,2004, in the 1980s等. Just now,in the old days, long ago, a moment ago等. 过去进行时: 句子结构: 肯定句 主语+was/were+动词的现在分词+其他 否定句 主语+was/were not +动词的现在分词+其他 疑问句 Was/Were + 主语+ 动词的现在分词+其他 关键词:具体时间+过去的时间壮语 如:at ten oclock yesterday morning, at this time last Sunday等. 现在完成时: 句子结构:肯定句 主语+have/has+动词的过去分词+其他(第三人称单数用has) 否定句 主语+have/has not+动词的过去分词+其他 疑问句 Have/Has + 主语 + 动词的过去分词+其他 关键词:already, yet, just, ever, never ,so far, for +一段时间,since+过去的 时间或过去时从句.或this year alone今年以来,these five years alone这五年 以来,in the last ten years 在过去的十年中等. 过去将来时: 句子结构: 肯定句 主语+ would+ 动词原型+其他 否定句 主语+ would not + 动词原型+ 其他 疑问句 Would+主语+动词原型+其他 (would可改为was/were going to ,主语第一人称时would可用should) 过去将来时主要用在宾语从句中. 过去完成时: 句子结构: 肯定句 主语+had + 动词的过去分词+其他 否定句 主语+had not +动词的过去分词+其他 疑问句 Had+主语+动词的过去分词+其他 关键词:by+过去某一时间点 如:by last year, by the end of+过去某一时间点 如: by the end of last year, before+过去某一时间点,by the time +从句,或宾语从 句中最后,请记住: Its not the end of the world, try to look on the bright side of thing, Im sure it will be all right. 这不是世界末日,试着往事情好的方面看,我确认一切都会好起来.英语动词有两种语态：主动语态和被动语态。初中阶段的被动语态有五种时态，我们可以从以下方面进行小结：一、被动语态的时态及结构（以动词do为例）结构：主语 + be + 过去分词时态：1. 一般现在时： am (is, are) done.2.带情态动词的被动语态：must (can, may, should, need, would) be done3. 一般过去时： was (were) done * 4. 一般将来时： will (shall) be done * 5. 现在进行时： am (is, are) being done6. 现在完成时： have (has) been done 二、从初中阶段所学五种基本句型谈变被动语态时应注意的问题。1主语 + 连系动词 + 表语 (S+V+P)此结构不可用被动语态。(正) The flowers smell sweet.(误) The flowers are smelt sweet.2主语 + 不及物动词 (S+V)此结构不可变被动语态。(正) An accident happened last night.(误) An accident was happened last night.3主语 + 及物动词 + 宾语 (S + V+ O)（1）将主动语态的宾语变为被动语态的主语Children often sing this song This song is often sung by children.（2）将含有介词或副词的动词短语变为被动结构时，不可将介词或副词去掉。We should listen to the teachers carefully.The teachers should be listened to carefully.4主语 + 及物动词 + 间接宾语 + 直接宾语 (S + V+ IO+ DO)（1）.将表人的间接宾语变为主语，直接宾语不变。He showed us a picture .We were shown a picture.（2）.将指物的直接宾语变为主语，要在间接宾语前加介词to或for.常用加to的动词give, show, pass, read等常用加for的动词 buy, get, make, sing, draw 等A picture was shown to us.A dictionary was bought for me by my parents.5 主语+及物动词 + 宾语 + 宾语补足语 (S+ V+ O + C)如动词为 make, see, hear, watch 等，后接宾语补足语为不带“to”不定式时，变被动语态时要加上“to” 。I saw him fall off the tree.He was seen to fall off the tree.6. be + 过去分词 并非都是被动语态，系动词 be, feel, seem,look,等词后面的过去分词已转化为形容词，作表语用，表示某种状态。 Im interested in mathematics. 我对数学感兴趣。*7. 某些动词用主动语态来表示被动含义。The womans clothes sell well. 女装卖的快。This book sells best.这本书很畅销. 英语语法大全下载1、所有格：He is Freds best friend.（-s）2、动词现在时的第三人称单数：Alfredo works.（-s）3、动词过去式：Fred worked.（-ed），但亦有不规则变化。4、现在分词进行时态：Fred is working.（-ing）（注如果动词的末音节为辅音结尾的闭音节，则须双写末辅音，如running）5、过去分词：The car was stolen.（-en）；Fred has talked to the police.（-ed），但亦有不规则变化。6、动名词：Working is good for the soul.（-ing）7、名词的复数：Fred has two blue eyes.（-s）（注如果动词的尾字是s,sh,x,ch，则需加-es，如dishes）8、形容词的比较级：Fred is smarter than Rick.（-er）形容词末尾加-er，多音节在前面”加more，如more difficult。9、形容词的最高级：Fred has the fastest car.（-est）形容词末尾加-est，多音节词在前面加most，如the most difficult。英语的基本语序为SVO，且基本上不能任意变换语序，除了在少数诗词以外；另一方面，有时英语会使用OSV的语序。（注：S：Subject主语；V：Verbal phrase谓语；O：Object宾语）英语中所有的词可分成十大类，每一类词在句子中都有其特定的位置和作用。这十大词类是：一、名词：表示人或事物的名称的词。二、形容词：表示人或事物的特征的词。三、副词：修饰动词、形容词和副词的词。四、代词：是代替名词、形容词和数词的词。五、数词：表示数量和顺序的词。六、动词：表示动作和状态的词。七、冠词：与名词连用，其说明人或事物的作用。八、介词：通常置于名词和代词之前，表示名词和代词与其他词的关系。九、连词：连接词与词、短语与短语、句子与句子的词。十、感叹词：表示说话人感情或语气的词。 英语的时态英语共有十六个时态、四个体。（注：四个体为一般、进行、完成、完成进行。）英语中的四个体相当于法语、西班牙语以及所有印欧语系罗曼语族中的式，如：直陈式，命令式等。 （1）一般现在时基本形式（以do为例）：第三人称单数：does（主语为非第三人称单数）；肯定句：主语动词原形其他；否定句：主语dont动词原形其他；一般疑问句：Do主语动词原形其他。肯定回答：Yes， 主语do否定回答：No，主语dont.特殊疑问句：疑问词+一般疑问句语序 （2）一般过去时be动词行为动词的过去式waswerenot；在行为动词前加didnt，同时还原行为动词was或were放于句首；用助动词do的过去式did提问，同时还原行为动词 （3）一般将来时amareisgoing todowillshalldoam/is/are/about to + doam/is/are to + do一般将来时的表达方法be going to +动词原形be +不定式,be to+动词原形,be about to 动词原形be able to +不定式be about to+动词原形 (4)过去将来时be（was，were）going to+动词原形be（was，were）about to+动词原形be（was，were）to+动词原形肯定句：主语+be（was，were）going to+动词原形. 否定句：主语+be（was，were）not going to+动词原形. 疑问句：Be（Was，Were）+主语+going to+动词原形？ 肯定句：主语+would（should）+动词原形. 否定句：主语+would（should）not+动词原形. 疑问句：Would（Should）+主语+动词原形？ (5)现在进行时主语+be+动词ing现在分词形式第一人称+am+doing+sth 第二人称+are+doing +sth第三人称+is+doing+sth (6)过去进行时肯定句：主语+was/were+doing+其它否定句：主语+was/were+not+doing+其它一般疑问句及答语：Was/Were+主语+doing+其它 答语：Yes,I was./No,I wasnt. 特殊疑问句：特殊疑问词+was/were+主语+doing+其它 (7)将来进行时动词be的将来时+现在分词 (8)过去将来进行时should(would)+be+现在分词 (9)现在完成时基本结构：主语+have/has+过去分词(done) 肯定句：主语+have/ha