初中数学的练习题(满意给分哦)
2007年秋中学“1+1”单元检测题(一)
(内容:有理数§1.1——§1.2)
班级 .姓名 .学号 .
一、选择题(每题4分,共40分)
1.3的倒数是【 】
A.-3 B.3 C. D.-
2.计算:3+8-9+(-2)=【 】
A.22 B.-22 C.0 D.4
3.最小的整数是【 】
A.1 B.0 C.-1 D.不存在
4.如果-m=2008,则 =【 】
A.-2008 B.2008 C.2008或-2008 D.|-2008|
5.在数轴上,下面说法不正确的是【 】
A.在两个有理中数绝对值大的离原点远
B.在两个有理数中较大的在右边
C.在两个有理数中,较大的离原点远
D.在两个负有理数中,较大的离原点近
6.下列说法不正确的是【 】
A.0既不是正数,也不是负数 B.1是绝对值最小的数
C.一个有理数不是整数就是分数 D.0的绝对值是0
7. 的相反数是【 】
A. B. C. D.2007
8.绝对值大于3且小于5的所有整数的和是【 】
A.8 B.4 C.0 D.-8
9.一个有理数的相反数大于它本身,这个数是【 】
A.负有理数 B. 零 C.正有理数 D.不可能存在
10.若-x不是正数,则x【 】
A.是负数 B.不是正数 C.是正数 D.不是负数
二、填空题(每题3分,共15分)
11.在我们的生活中有很多具有相反意义的量,请你列举2对具有相反意义的量,并且用正负数表示出来 .
12.计算:12+ =0.
13.2007年重庆市某天最高气温是170C,最低气温是零下50C,则当天的最大温差是 0C.
14.如果有理数n是一个负数,那么在数轴上表示n的点在原点的 边,与原点的距离是 个单位长度.
15.请你仔细观察下面一列数,思考其变化的规律: ……第2008个数是 ;如果这一列数无限排列下去与数 越来越接近.
三、解答题(共45分)
16.(共8分)请你仔细分类,将下列各数填在相应的表示集合的圈中:
,-36,2007,-(-2008),-|-2|,0,|-0.25|,3的倒数的相反数,500222199403086127
❷ 初中英语语法 名词讲解及练习
一、markets,buyers,sellers,cats,dollars,birds,nights,
homework ______ half _halves_____ advice______ money ______ knowledge ______
boot _boots____music ______ chicken ________ mouth __mouth mouths____bread _______
information ______milk _____cow ___cows____ orange ___oranges_____ water ________
三 选择填空:
1. deer has four ___b___.
A. foot B. feet C. feets D. foots
2.Her two brothers are both __c____.
A. policeman B. policemans C. policemen D. policemens
3.There are four ___c__ and two ______ in the group.
A. Japanese, Germen B. Japaneses, Germen C. Japanese, Germans
4.Two ___c___ would come to the village.
A. woman-doctors B. women doctor C. women doctors D. woman doctors
5.Can you see nine _a____ in the picture?
A. sheep B. dog C. pig D. horse
6.The __c___ has two ______.
A. boys, watches B. boy, watch C. boy, watches D. boys, watch
7.The boy often brushes his _c____ before he goes to bed.
A. tooth B. tooths C. teeth D. teeths
8.The Japanese _a___ will not leave China until she finishes her study.
A. woman B. women C. man D. men
9.There are lots of _c____ in the basket on the table.
A. tomatos B. tomato C. tomatoes D. tomatoss
10. The cat caught two _b_____ last night.
A. mouses B. mice C. mouse D. mices
❸ 我要初中英语重点的词汇,句型,语法
一、词类、句子成分和构词法:
1、词类:英语词类分十种:
名词、形容词、代词、数词、冠词、动词、副词、介词、连词、感叹词。
1、名词(n.): 表示人、事物、地点或抽象概念的名称。如:boy, morning, bag, ball, class, orange.
2、代词(pron.): 主要用来代替名词。如:who, she, you, it .
3、形容词(adj..):表示人或事物的性质或特征。如:good, right, white, orange .
4、数词(num.): 表示数目或事物的顺序。如:one, two, three, first, second, third, fourth.
5、动词(v.): 表示动作或状态。如:am, is,are,have,see .
6、副词(adv.): 修饰动词、形容词或其他副词,说明时间、地点、程度等。如:now, very, here, often, quietly, slowly.
7、冠词(art..):用在名词前,帮助说明名词。如:a, an, the.
8、介词(prep.): 表示它后面的名词或代词与其他句子成分的关系。如in, on, from, above, behind.
9、连词(conj.): 用来连接词、短语或句子。如and, but, before .
10、感叹词(interj..)表示喜、怒、哀、乐等感情。如:oh, well, hi, hello.
2、句子成分:英语句子成分分为七种:主语、谓语、宾语、定语、状语、表语、宾语补足语。
1、主语是句子所要说的人或事物,回答是“谁”或者“什么”。通常用名词或代词担任。如:I’m Miss Green.(我是格林小姐)
2、谓语动词说明主语的动作或状态,回答“做(什么)”。主要由动词担任。如:Jack cleans the room every day. (杰克每天打扫房间)
3、表语在系动词之后,说明主语的身份或特征,回答是“什么”或者“怎么样”。通常由名词、代词或形容词担任。如:My name is Ping ping .(我的名字叫萍萍)
4、宾语表示及物动词的对象或结果,回答做的是“什么”。通常由名词或代词担任。如:He can spell the word.(他能拼这个词)
有些及物动词带有两个宾语,一个指物,一个指人。指物的叫直接宾语,指人的叫间接宾语。间接宾语一般放在直接宾语的前面。如:He wrote me a letter . (他给我写了一封信)
有时可把介词to或for加在间接宾语前构成短语,放在直接宾语后面,来强调间接宾语。如:He wrote a letter to me . (他给我写了一封信)
5、定语修饰名词或代词,通常由形容词、代词、数词等担任。如:
Shanghai is a big city .(上海是个大城市)
6、状语用来修饰动词、形容词、副词,通常由副词担任。如:He works hard .(他工作努力)
7、宾语补足语用来说明宾语怎么样或干什么,通常由形容词或动词充当。如:They usually keep their classroom clean.(他们通常让教室保持清洁) / He often helps me do my lessons.(他常常帮我做功课) / The teacher wanted me to learn French all by myself.(老师要我自学法语)
☆同位语通常紧跟在名词、代词后面,进一步说明它的情况。如:Where is your classmate Tom ?(你的同学汤姆在哪里?)
3、构词法:英语构词法主要有:合成法、派生法和转换法。
1、合成法:如:spaceship, headache, basketball, playground等等。
2、派生法:
(1)派生名词:①动词+er/or ②动词+ing ③动词+(t)ion ④形容词+ness ⑤其他,如:inventor, learner, swimming, congratulation, kindness, carelessness, knowledge
(2)派生形容词:①名词+y ②名词+ful ③动词+ing/ed ④friendly ⑤dangerous ⑥Chinese; Japanese ⑦English ⑧French ⑨German ⑩国名+(i)an 如:snowy, sunny, hopeful, beautiful, interesting, follwing, daily(每日的),nervous, delicious
(3)派生副词:①形容词+ly ②其它,如:slowly, angrily, full→fully, good→well, possible→possibly等等。
3、转换法:
(1)形容词→动词,如:dry(干燥的)→dry(弄干), clean(干净的)→clean(打扫,弄干净),等等。
(2)动词→名词,如:look, walk, rest, work, study, swim, go, talk等等。
(3)名词→动词,如:hand(手)→(传递),face(脸)→(面对)等等。
(4)形容词→副词,如:early→early, fast→fast等等。
(5)副词→连词,如:when(什么时候)→(当……时候),等等。
(6)介词→副词,如:in(到……里)→(在里面;在家),on(在…上)→(进行,继续),等等。
二、名词:
1、英语名词可分专有名词和普通名词两大类:
1、专有名词是个别的人、地、物、团体、机构等的专用名称。
专有名词中实词的第一个字母要大写。
如:Beijing, Tom, the People’s Republic of China(中华人民共和国)
专有名词如果是含有普通名词的短语,则必须使用定冠词the。如:the Great Wall(长城)
姓氏名如果采用复数形式,则表示该姓氏一家人(复数含义),如:the Greens( 格林一家人)。
2、普通名词是许多人或事物的共有名称。如:pupil, family, man, foot.
普通名词又分为可数名词和不可数名词。
▲可数名词是可以用简单的数词进行计数的名词,如: box, child, orange;
▲不可数名词是不可以用简单的数词进行计数的名词。如:water, news, oil, population, information .
2、英语可数名词的单复数:英语可数名词有单数和复数两种形式。
1、名词由单数变复数的基本方法如下:
①在单数名词词尾加s。如:map → maps,boy→ boys,horse→ horses, table→ tables.
②s,o,x ,sh,ch结尾的词加es.如:class→classes, box→boxes, hero→heroes, dish→dishes, bench→benches.
[注]:少数以o结尾的词,变复数时只加s。如:photo→photos, piano→pianos.
③以辅音字母加y结尾的名词,变y为i,再加es。如:family→families, city→cities, party→parties.
④以f或fe结尾的名词,变f或fe为v,再加es。如:shelf→shelves, wolf→wolves, life→lives, knife→knives.
2、不规则变化:man→men, woman→women, sheep→sheep,tooth→teeth, fish→fish, child→children, ox→oxen, goose→geese
不可数名词一般没有复数形式,说明其数量时,要用有关计量名词。如:a bag of rice→two bags of rice, a piece of paper→three pieces of paper, a bottle of milk→five bottles of milk.
3、名词所有格:
1、 名词所有格表示所属关系,相当于物主代词,在句中作定语、宾语或主语。其构成法如下:
(1)表示人或其它有生命的东西的名词常在词尾加’s。如:Childern’s Day(儿童节), my sister’s book(我姐姐的书)
(2)以s或es结尾的复数名词。只在词尾加’。如:Teachers’ Day(教师节)
(3)有些表示时间、距离以及世界、国家、城镇等无生命的名词,也可在词尾加’s. 如:
today’s newspaper(今天的报纸), ten minutes’ break(十分钟的课间休息),
China’s population(中国的人口).
(4)无论表示有生命还是无生命的东西的名词,一般均可用介词of短语来表示所有关系。如:
a fine daughter of the Party(党的好女儿).
2、[注解]:
① ‘s还可以表示某人的家或者某个店铺,如:my aunt’s(我阿姨家), the doctor’s(诊所)
② 两人共有某物时,可以采用 A and B’s 的形式,如:Lucy and Lily’s bedroom(露西和丽丽合住的卧室)
③ “of+名词所有格/名词性物主代词”,称为双重所有格,如:a friend of my father’s(我父亲的一位朋友), a friend of mine(我的一位朋友)
4、名词或代词作主语时和谓语之间的单复数的一致问题:
1、谓语和谓语基本保持单复数的一致,即:主语是可数名词单数或不可数名词时,谓语动词用单数形式:如:The computer was a great invention.(计算机是个了不起的发明)The water in the glass is very cold.(玻璃杯里的水很冷)
2、集体名词(如family, class, team, group, row, police, school等)做句子主语时,
① 如果表示整体概念,则谓语用单数形式,如:Class Three is a very good class.(三班是好班)
② 如果表示其中的所有成员时,则谓语用复数形式,如:Class Three have a map of China.(三
班有张中国地图)
3、Chinese, Japanese, fish, sheep, people等表示单个时谓语用单数,表示许多时,谓语用复数。如:There is a sheep in the yard.(院子里有只绵羊) / There are some sheep in the yard.(院子里有一些绵羊)
4、maths, news等虽然有s结尾,但不是复数,因此谓语仍用单数:The news is very exciting. (这个消息令人兴奋)
5、glasses, shoes, socks, trousers, gloves等名词往往用复数形式,故谓语用复数。如:
The trousers are very cheap and I want to take them.(裤子很便宜,我想买)
6、a lot of 后跟名词复数时谓语用复数形式,跟不可数名词时谓语用单数形式。如:A lot of students are playing baseball now.(现在有许多学生在打垒球) A lot of time was wasted on that work.(大量的时间花在了那个工作上)(被动句)
7、and 连接两个名词做主语时,谓语原则上用复数,但是两个名词若构成一个整体事物时,谓语则用单数。如:The teacher and his son are picking apples now.(老师和他的儿子在摘苹果) / Fish and chips is very famous food. (鱼和薯条是一种出名的食品)
8、 there be 句型中be的单复数一般由靠近的名词决定。如:There is a table and four chairs in the room.(房间里有一张桌子和四张椅子)
9、用both…and…连接两个事物做主语时,谓语一般用复数。如:Both you and I are required to be here tomorrow.(你和我明天要求都来)
10、主语中含有with的短语时,谓语单复数由with之前的人物决定。如:A woman with a 7-year-old child was standing at the side of the road. (一名妇女带着一个七岁的孩子(当时)就站在路边)
11、either…or…或者 neither…nor…连接两个人物做句子主语时,谓语采用就近原则。如:Either you or he is right.(要么是你对,要么是他对。/你和他有一个人是对的) / Neither you nor I am going there.(你和我都不打算去那里)
12、表示一段时间或长度概念的复数名词做主语时,谓语一般用单数。如:Two months is not a short time.(两个月不是个短时间)Two thousand kilometers is quite a long distance(距离).(两千千米是相当长的一段距离)
13、主语中含有half of… / (three quarters)of… / all (of) the ….等词语时,谓语的单复数由名词确定,如:Over three quarters of the information on the Internet is in English.(因特网上四分之三以上的信息是用英语写的) / A third of the students were playing near the lake.(学生的三分之一(当时)正在湖边玩耍) / All of the water in these rivers has been polluted.(这些河流中的水已经被污染了)(被动句)
但是,population一词又有特殊情况: What’s the population of China?(中国人口是多少?)(句子用单数) / Three quarters of the population in this city are Arabs(阿拉伯人).(这个城市四分之三的人口是阿拉伯人)(句子用复数)
5、部分名词用法辨析:
1、sport、game、match、race 的区别:sport通常指“户外运动”,以锻炼为主,概念较大;game意思是“运动、比赛”,不管户内户外还是脑力体力,指以胜负为主的运动;match意为“竞赛、比赛”,多指正式比赛;race主要表示“赛跑、赛马、赛车”。如:People all around the world enjoy sports.(全世界的人都喜爱运动) / The 2008 Olympic Games will be held in Beijing.(2008奥运会将在北京举行)(被动句) / Our school football team won the league match(联赛).(我们学校足球队取得了联赛冠军) / They were strong and won the boat race.(汤他们很棒,赢得了划艇比赛)
2、festival、holiday、vacation的区别:festival“节日”,指喜庆的日子或持续一段时间的文娱活动;holiday(假日、休息日),指法定假日或风俗习惯,复数可以表示一个较长的假期;vacation“假期”,指学习或工作中一段长时间的休息。如:The Shanghai Television Festival will be held next month.(上海电视节将在下个月举行) / Sunday is a holiday and most people do not work.(星期天是个假日,多数人不工作) / What are you going to do ring the summer vacation/holidays?(在暑期你打算做什么事情?)
3、journey、tour、trip、travel的区别:journey指在陆地上(或海上或空中)进行的长途旅行,不知终点,含有辛苦的意思;tour指途中作短期逗留的巡回旅行,强调游览多处,常用来指观光等;trip通常指往返定时的短途旅行,如出差度假等;travel多指长期或长途的观光旅行,尤其指到国外,没有明确目的地,也作不可数名词,指旅行这一行为。如:He made up his mind to make the journey to Dunhuang.(他拿定主意要去敦煌旅行)/ He has gone on a walking tour.(他步行观光去了) / He took several trips to Shanghai last yeaar.(去年他去了上海好几次) / Did you go to Santiago(圣地亚哥) ring your travels?(旅行期间你去圣地亚哥了吗?) / Travelling through thick forests is dangerous.(在密林里边穿行是很危险的)
4、sound、noise、voice的区别:sound指各种声音;noise主要指“噪音”;voice指人的“嗓音”。如:The noise of the street kept me awake in the night.(街上的喧嚣声让我彻夜难眠) / All of a sudden there was the sound of shots and a cry.(突然间传来几声枪响和一声尖叫) / The singer has lost her ringing voice as a result of a bad cold.(因为感冒的缘故,这个歌唱家失去了她银铃般的嗓音)
5、fish的问题:指许多条鱼且不管种类时,用fish,单复数相同;fishes 指许多种类的鱼;fish指“鱼肉”时是不可数名词。如:There are many kinds of fishes in the pool. (池子里有很多种类的鱼)/ I prefer fish to meat.(与肉相比我更喜欢鱼)
先给一部分
❹ 初中英语所有单词及语法
不二选择,《中考语法完全突破》视频教程加《中考词汇篇章式记忆》
❺ 初中语法全解,英语常用单词
1、动词的分类:
类 别 意 义 例 句
实义动词 含有实在的意义,表示动作或状态,在句子中能独立作谓语。 She has some bananas. 她吃些香蕉。
They eat a lot of potatoes. 他们常吃土豆。
I’m reading an English book now.
我现在正看一本英文书。
连系动词 本身有一定的词义,但不能独立作谓语,必须和表语一起构成谓语。 His father is a teacher.他父亲是教师。
Twins usually look the same.
双胞胎通常看起来一样。
The teacher became very angry. 老师变得很生气。
助动词 本身没有词义,不能独立作谓语,只能和主要动词一起构成谓语动词,用来表示否定、疑问、时态、语态或其它语法形式,助动词自身有人称、单复数和时态的变化。 He doesn’t speak English. 他不说英语。
We are playing basketball. 我们在打篮球。
Do you have a brother? 你有兄弟吗?
情态动词 本身有一定的意义,不能独立作谓语,只能和主要动词一起构成谓语动词,表示说话人的语气和情态。情态动词没有人称和单复数的变化,有些情态动词有过去式。 You can keep the books for two weeks.
这些书你可以借两个星期。
May I smoke here? 我可以在这儿抽烟吗?
We must go now. 我们现在得走了。
★重要注解:
(1) 关于实义动词:
① 英语的实义动词又可分为及物动词和不及物动词两大类:
后面必须跟宾语意义才完整的叫及物动词;本身意义完整,后面不需跟宾语的叫不及物动词。
② 有些动词通常只作不及物动词。如:go,come,happen,lie,listen,rise,arrive,hall等。
有些动词通常用作及物动词。如:say, raise, lay, find, buy等。
③ 大多数动词可以兼作及物动词和不及物动词。如:study, sing等。
④ 有些动词作及物动词与作不及物动词时的意义有所不同。如:know, wash等。
⑤ 有些动词常和介词 、副词或其它词类一起构成固定词组,形成短语动词。如:listen,reply,wait,look.
(2) 关于连系动词:
① 连系动词用来连接主语和表语,连系动词后面常为形容词。
② 常见的连系动词有:be、become、look、feel、sound、smell、taste、seem、turn、grow、get、 go、fall、sit、stand、lie 等。
③ 有些连系动词来源于实义动词,意思也跟着变化:look(看→看起来)、feel(感觉、摸→感到)、 smell(闻、嗅→闻起来)、taste(尝→尝起来)、turn(翻转、转动→变得)、grow(生长→变得)、get(得到、到达→变得)、go(去→变得),所不同的是,作为实义动词时,后面不能跟形容词。
[注释]
become、get、go、be、grow、turn的用法区别:become表示“变成”,比较正式,通常不用将来时表示动作已经完成。get也表示动作已经完成,但是更加口语化,通常表示温度、时间、岁数等变化。go表示“变得”,常见于某些短语中,后面常有形容词bad、blind、hungry等。be表示“是、成为、当”,多用于将来时、祈使句或不定式中。grow表示“变得”,常指逐渐的变化,表示身高、岁数的增长。turn表示“变得”,指变为与原先不同的情况,通常指颜色等变化。如:I was caught in the rain and I became ill.(我淋雨感冒了)/ He has got rich.(他变富了)/ He will be a scientist in the future.(将来他将成为科学家)/ My little brother has grown much taller in the past year.(在过去的一年里我的弟弟长得高多了)/ The sandwich has gone bad.(那块三明治已经变坏)/ Her face turned red after her mother criticized(批评) her.(妈妈批评了他以后他的脸变红了)
(3) 关于助动词:
①常见的助动词有:用于进行时和被动语态的be (am, is, are ,was, were, been, being ) ;用于完成时的have(has,had,having) ;用于将来时的shall (should) ; will (would)和用于一般时的do(does,did) .
②助动词必须同主语的人称和数一致,也就是说因主语人称、数的不同而采用不同的形式,其中有些助动词也可作情态动词。如:shall, will, should, would.
(4) 关于情态动词:
①常见的情态动词有:can (could) ,may (might), must ,shall (should), will (would), dare (dared) , need等,另外,have to、had better也当作情态动词使用。情态动词后面必须加动词的原形。
②can表示体力、脑力方面的能力或客观的可能性。口语中, 在询问或说明一件事可不可以做时,常用“can”代替“may”。情态动词“can”的过去式是“could”,否定式是“cannot”通常缩写成“can’t”,“could”的否定式是“could not”,通常缩写成“couldn’t”。如:Can I help you?(要帮忙吗?)/ He can swim.(他会游泳)/ That can’t be Mr Li.(那不可能是李先生)
③ may表示允许、请求或可能性,用may提问时,肯定回答一般用Certainly或Yes,you may.;否定回答一般用can’t或mustn’t. 如:May I ask you a question?—Certainly.(可以问你一个问题吗?当然可以)/ You may go now.(现在你可以走了)/ It may be in your pocket.(它可能在你的衣袋里)
④ must表示“必须”、“一定”的意思。表示“必须”时否定形式是mustn’t;表示“一定”时,否定形式是“can’t” 如:We must be very careful when we cross the road.(我们过马路时一定要非常小心)/ It must be Jack.(那准是杰克)/ I haven’t seen Kate today. She can’t be here.(我今天没有看到过凯特,她不可能在这里)
[注意]用must(必须)进行提问时,肯定回答用must,否定回答用needn’t;用must(一定)进行提问时,肯定回答仍用must,但是否定回答用can’t.如:Must we clean the room before we leave? –Yes,you must.或No,you needn’t.(我们走之前必须要打扫房间吗?是的,必须打扫。/ 不,不需要。) / Must she be in the romm? –Yes,she must.或No,she can’t.(她一定在房间里吗?是的,一定。/ 不,不可能在。)
⑤ “have to”表示“不得不”、“必须”。We’ll have to leave now for it is very late at night.
have to的疑问形式是:助动词+…+have to,否定形式是:助动词+not+have to或者用needn’t.如:Do you have to stay until 8 o’clock?(你得呆到8点钟吗?)/ You don’t have to do so.(=You needn’t do so.)(你不用这么做)
⑥ shall在问句中,可表示征求对方意见,与第一人称连用;在陈述句的第二、三人称的主语后或表示“命令”、“警告”、“允许”等。如:Shall we go to the zoo this weekend?(我们这个周末去动物园好吗?)/ He shall bring his own book next time.(他下次必须带自己的书来)
⑦ should可表示“劝告”、“建议”、“惊奇”等意思。We should speak to old people politely.(我们应该礼貌地对老人讲话)
⑧ will表示“意愿”、“决心”等意思,一般与第二人称连用。如:Will you please close the door for me?(请你替我把门关上好吗?)/ I will teach you a lesson.(我要教训你一顿)
⑨would表示过去的“意愿”、“决心”等。He would sit near the fire every time he returned home.(每次他回到家中总要坐在火炉边)
would也可以表示现在的情况,表达说话人向对方提出的要求,语气比“will”婉转、客气。在日常会话中,“我想要…”通常用“I would like to”或“I should(I’d) like to”来表示。如:Would you like to have a rest at the moment?(你现在想要休息一下吗?)
would还可以表示过去经常发生的事情。如:Every year parents would tell their children about the boy who would save his people.(每一年父母们总是向孩子们讲述这个将会拯救他的人民的男孩的事)
⑩ need表示“需要”,用于疑问句或否定句。“need”作实义动词时,在肯定、否定、疑问句中都可以用。如:He needn’t do it in such a hurry.(他不需要如此匆忙地做这件事)/ He needs some help.(他需要一些帮助)/ He doesn’t need to bring his football socks then.(那么他就无须带上足球袜了)
⑾ dare是“敢”的意思,用法几乎与“need”完全相同,即在疑问句和否定句中,可以作情态动词,后面用不带“to”的动词不定式。在肯定句中和实义动词一样,后面的动词不定式要带“to”。How dare you say I am a fool?(你竟敢说我是个傻瓜?)/ He didn’t dare to touch the red button.(他不敢触碰那个红色的按钮)
⑿ ‘d better (do)(“最好是”)一般也当作情态动词使用,否定式是:’d better not (do). 如:You’d better sit here and say nothing.(你最好坐在这儿不讲话)/ You’d better not speak because he is sleeping.(你最好不要讲话因为他正在睡觉)
2、动词词形变化一览表:
(1)规则动词变化表:
规 则变 化 原形动词结尾情况 现在时单三人称 现 在 分 词 过去式和过去分词
一般情况 +s +ing +ed
s,x,ch,sh,o结尾 +es +ing +ed
辅音字母+y结尾 y→i,+es +ing y→i,+ed
重读闭音节一元一辅结尾 +s 双写辅音字母,+ing 双写辅音字母,+ed
不发音的e结尾 +s 去掉e,+ing +d
ie结尾 +s ie→y,+ing +d
不规则变化 have→has;be→is (无) (见不规则动词变化表)
注意:①在加ing或ed时动词如果以“r”结尾,尾音节又重读的动词,“r”应双写。
②s/es的读音规则:在清辅音后读[s];在浊辅音后和元音后读[z];在[ s ]、[ F]、[z]、[tF]、[dV]后读[iz].
③ed的读音规则:在清辅音后读[t];在浊辅音后和元音后读[d];在[t]、[d]后读[id].
(2)不规则动词变化表:( 原形 → 过去式 → 过去分词)
be(am,is) was been lose lost lost
be(are) were been make made made
beat beat beaten may might
become became become mean meant meant
begin began begun meet met met
blow blew blown mistake mistook mistaken
break broke broken must must
bring brought brought pay paid paid
build built built put put put
buy bought bought read read Read
can could ride rode ridden
catch caught caught ring rang rung
choose chose chosen rise rose risen
come came come run ran run
cost cost cost say said said
cut cut cut see saw seen
dig g g sell sold sold
do did done send sent sent
draw drew drawn set set set
drink drank drunk shall should
drive drove driven shine shone shone
eat ate eaten show showed shown
fall fell fallen shut shut shut
feel felt felt sing sang sung
find found found sink sank/sunk sunk/sunken
fly flew flown sit set set
forget forgot forgot/forgotten sleep slept slept
freeze froze frozen smell smelt smelt
get got got speak spoke spoken
give gave given spend spent spent
go went gone spill spilt spilt
grow grew grown spoil spoilt spoilt
hang hung/hanged hung/hanged stand stood stood
have(has) had had sweep swept swept
hear heard heard swim swam swum
hide hid hidden take took taken
hit hit hit teach taught taught
hold held held tell told told
hurt hurt hurt think thought thought
keep kept kept throw threw thrown
know knew known understand understood understood
lay laid laid wake woke/waked woken/waked
learn learnt/learned learnt/learned wear wore worn
leave left left will would
lend lent lent win won won
let let let write wrote witten
lie lay lain
3、be(“是/存在”)动词的各种时态变化:
一 般 现 在 时 一 般 将 来 时 现 在 完 成 时
I am….
You are.…
He/She/It is….
We/You/They are…. (I等各人称) will be….
I am
He/She/It is going to be…
We/You/They are I have been….
You have been….
She/he/It has been….
We/You/They have been….
一 般 过 去 时 过 去 将 来 时 过 去 完 成 时
I was….
You were.…
He/She/It was….
We/You/They were…. (I等各人称) would be….
I was
He/She/It was going to be…
We/You/They were I had been….
You had been….
She/he/It had been….
We/You/They had been….
注意:句型变化时,
否定句在am /is /are /will /have /has /was /were /had /would 后面加not,而且not都可以缩写为n’t (am后面not不可以缩写);
疑问句将am /is /are /will /have /has /was /were /had /would 提前到句首。
❻ 初中英语必背单词语法短语总结(人教)
鬼画符第三