七年级英语语法——词法 人教新目标版

1、七年级英语语法词法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, docu

2、mentary-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,

3、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, w

4、oman 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

5、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

6、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 herselfhe

7、 him his his himselfit it its its this that itself复数 they them their theirs these those themselves3、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-stud

8、ies, 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-doi

9、ng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

10、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,

11、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-

12、 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、初一英语语法句式1.陈述句肯定陈述句a) this is a bo

13、ok. (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 is

14、nt 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

15、, 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

16、 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 cindyjones. 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

17、 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 a

18、re 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 f

19、amily 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 yo

20、ur father? hes a doctor.三、初一英语语法时态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 toma

21、toes.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 list

22、ening to the pop music. are they listening the pop music? they arent listening to the pop music.初中英语语法知识难点整理英语语法知识难点（一） （一） 形容词和副词 i 要点 a 形容词 1、 形容词的用法 形容词是用来修饰、描绘名词的，通常在句中作定语、表语或宾补，有时还可作状语。如： he is honest and hardworking. i found the book interesting. 某些形容词与定冠词连用表示一类人作主语时，谓语通常用复数形式。如： the rich and

23、the poor live in different parts of the city. the english like to be with their families. 多个形容词作定语修饰名词的顺序： 冠词+序数词+基数词+性质状态（描述性）+形状大小+新旧老少+颜色+国籍+材料+名词。如： the second five interesting big new red chinese wall papers. 2、 形容词比较等级的形式 （1） 规则形式 一般说来，单音节词及少数双音节词在后加-er; -est 来构成比较级和最高级；其他双音节词及多音节词在前加more, mos

24、t.如： great-greater-greatest busy-busier-busiest important-more important-(the)most important （2） 不规则形式 good (well)-better-best bad (ill)-worse-worst many (much)-more-most little-less-least （3） 形容词比较等级的用法 表示两者的比较，用形容词的比较级+than. 如： he is cleverer than the other boys. this one is more beautiful than th

25、at one. 表示两者以上的比较，用"the +形容词最高级（+名词）+of(in) "如： he is the cleverest boy in his class. 表示两者是同等程度，用"as +形容词原级+as". 如： he is as tall as i. i have as many books as you. 越 越 例如：the more i learn, the happier i am. you can never be too careful. 越小心越好 又如：you can never praise the teacher

26、too highly. 你怎么赞扬这个老师也不过分。 i have never spent a more worrying day. 那一天是最令我担心的一天。 i have never had a better dinner. 这是我吃过的最好的一顿饭。 my english is no better than yours. 我的英语和你的英语都不怎么样。 b副词 1、 副词的种类 （1） 时间副词 如：ago, before, already, just, now, early, late, finally, tomorrow等 （2） 地点副词 如：here, there, near,

27、around, in, out, up, down, back, away, outside等。 （3） 方式副词 如：carefully, angrily, badly, calmly, loudly, quickly, politely, nervously等。 （4） 程度副词 如：almost, nearly, much, greatly, a bit, a little, hardly, so, very等。 2、 副词比较等级的用法 其用法与形容词相似，只是副词最高级前可省略定冠词。如： of all the boys he sings (the) most beautifully

28、. we must work harder. 3、 某些副词在用法上的区别 （1） already, yet, still already表示某事物已经发生，主要用于肯定句；yet表示期待某事发生，主要用于否定句和疑问句；still表示某事还在进行，主要用于肯定句和疑问句，有时也可用于否定句。如： we've already watched that film. i haven't finished my homework yet. he still works until late every night. （2） too, as well, also, either too

29、, as well和 also用于肯定句和疑问句，too和as well多用于口语，一般放在句末，而also多用于书面语，一般放在句中与动词连用。either用于否定句和否定的疑问句，往往放在句末。如： he went there too. he didn't go there either. i like you as well. i also went there. (3) hard, hardly hardly意为"几乎"与hard在词义上完全不同。如： i work hard every day. i can hardly remember that. (4

30、) late, lately lately意为"最近、近来"，late意为"晚、迟"。如： he never comes late. have you been to the museum lately? ii 例题 例1 tom's father thinks he is already _ a high enough b tall enough c enough high c enough tall 解析：该题正确答案是b。修饰人高用tall, 而建筑物的高用high,并且enough修饰形容词要放在形容词后面。因此该题选b。 例2 _ th

31、e worse i seem to be. a when i take more medicine b the more medicine i take c taking more of the medicine d more medicine taken 解析：该题正确答案为b。"the+形容词比较级+ , the +形容词比较级+"意为越，越。该句意为：吃的药越多，我的病越是加重。 例3"i haven't been to london yet". "i haven't been there _". a too b

32、 also c either d neither 解析：该题正确答案为c。a和b都用于肯定句中。d-neither本身意为否定"两者都不"，而c-either则用于否定句中，意为"也"。 例4 mr smith was _ moved at the news. a deep b deeply c very deep d quite deeply 解析：该题正确答案为b。a. deep用于副词时，修饰具体的深，如dig deep,而b-deeply则修饰表示感情色彩的词，如该题为deeply moved.另如deeply regret等。而d-quite和

33、deeply均为副词，不能互相修饰。 （二） 介词 i 要点 1、介词和种类 （1） 简单介词，常用的有at, in, on, about, across, before, beside, for , to, without等。 （2） 复合介词，如by means of, along with, because of, in front of, instead of等。 2、介词和其他词类的习惯搭配关系 （1） 和动词的搭配，如agree with, ask for, belong to, break away from, care about等。 （2） 和形容词的搭配，如afraid o

34、f, angry with, different from, good at （3） 和名词的搭配，如answer to , key to, reason for, cause of, visit to等. 3、介词短语可以有自己的修饰语，这种修饰语通常有right, just, badly, all, well, directly, completely等少数几个副词。如： he came right after dinner. he lives directly opposite the school. 4、 某些介词的意义与用法举例 （1） at, on, in（表时间） 表示时间点用a

35、t,如at four o'clock, at midnight等；表示不确定的时间或短期假日也用at,如at that time, at christmas等。 指某天用on, 如on monday, on the end of november, 指某天的朝夕用on,如on friday morning, on the afternoon of september lst等。 指长于或短于一天的时段用in,如in the afternoon, in february, in summer, in 1999等。 （2） between, among（表位置） between仅用于二者之间，但说三者或三者以上中的每两个之间的相互关系时，也用between, 如 i'm sitting between tom and alice. the village lies between three hills. among用于三者或三者以上之间。如： he is the best among the students. （3） beside, besides beside