最新三年级英语语法大全3

1、欢迎来主页下载-精品文档语法专项整理（一）名词1、名词的种类:专用名词China, Beijing, Amy, January, Monday,普通名词可数名词单数a book, a pencil, an apple, an umbrella,复数books, pencils, apples, umbrellas,/、可数名词milk, water, juice, tea, rice,2、专有名词：专有名词是指某个人、某些地方、某样物品专有的名称。Children s Day专有名词第一个字母要大写，前面不加a, an, the3、单数名词：（1） 一般名词，在前面加 a： a book, a

2、 computer,（2）元音字母开头的名词，在前面加an： an egg, an orange（元音字母是：a, e, i, o, u ）少数例外：an hour, a university （ 以元音发音为准）4、复数名词：规则：情况规则例词一般情况加scats, apple so, s, x, ch, sh 结尾加espotato es, bus es, class es, boxes, watch es辅音字母加y结尾去y力口 iesbutterfly-butterfl ies元首字母加y结尾加sdays, key s, boysf, fe结尾变成vesleaf-lea ves , k

3、nife-kni ves不规则:情况例词改变元音foot-feet, tooth-teeth, goose-geese, man-men, woman-women,词尾发生变化child children, mouse- mice单复数同形sheep-sheep, deer-deer, fish-fish, people-people5、不可数名词：在不可数名词前只能加some （一些），much （许多）11） 液体： water, milk, coke, coffee, juice, tea（2） 气体： air, vapour（3）不能“个另U的”存在：hair, rice, beef,

4、 meat, pork, mutton语法专项整理（二）代词1、人称代词人称单数复数主格宾格主格宾格第人称Imeweus第二人称youyouyouyou第三人称hehimtheythemsheheritit2、物主代词人称单数复数形容词性名词性形容词性名词性第人称mymineourours第二人称youryoursyouryours第三人称hishistheirtheirsherhersitsits3、指示代词：this, that, these, those如：This is my doll. That is Mary s.Look at the those sheep. They are

5、eating grass.语法专项整理（三）数词1、基数词：表示数目的多少oneone hundredtwotwentyone thousandthreethirteenthirty二位数要在百位和十位之间加andfourfourteenforty如：one hundred and sixteen 116fivefifteenfiftyone hundred and twenty-one 121sixsixteensixtysevernseventeenseventyeighteighteeneightyninenineteenninetyten加 teen加tyeleven两位数（非整十）中

6、间加连字符“-”twelve如：fifty-one 512、序数词：表示顺序第3至第十九第二十及以上firsteleventhsecondtwelfthtwentieththirdthirteenththirtiethfourthfourteenthfortiethfifthfifteenthfiftiethsixthsixteenthsixtiethseventhseventeenthseventietheightheighteentheightiethninthnineteenthninetiethtenth除第1、2、3,直接加thty结尾，变y为ie ,再加th语法专项整理(五)介词1

7、、介词的分类词类例词时间介词at 7:00, in the morning, on Monday, before lunch, after dinner,方位介词on the desk, in the park, at home, under the tree, behind the door, over the bed, in front of the house, near the lake, next to the cinema,动向介词go to school, jump into the water, climb up the tree, ski down the mountain,

8、 run out of the door方式介词by bike, on foot, play with my friend2、at, on, in在表示时间时的区别：（1） at 用于具体的时刻：at 10:05, at noon, at night,（2） on用于具体的一天（常与星期、节日、具体的某一天连用，也表示某天上午、下午或晚上）：on Monday, on New Year s Day, on June 1 st, on my birthday, on Friday morning, on the weekend,（3） in用于某一段时间（常与上午、下午、晚上连用，常与月份、季节

9、、年份连用）：in the morning, in the afternoon, in the evening, in March, in spring, in 2007,语法专项整理（六）There be结构1、概念：There be结构又叫存在句，表示某地存在某物。2、There be 结构的肯定句（1） There is + 可数名词单数 + 地点：There is a book on the desk.（2） There is + 不可数名词 + 地点： There is some water in the glass（3） There are + 可数名词复数 + 地点： There

10、 are some flowers in the garden.就近原则：若句子中有几个并列的主语，be动词的形式和最近的一个主语保持一致There is a book and 2 pencils in the bag.There are many flowers and a tree in the garden.3、There be 结构的疑问句（把 be动词提到句子前面，若句子中有some ,要变为any）Is there a book on the desk?Is there any water in the glass?Are there any flowers in the gard

11、en?语法专项整理（七）现在进行时1、概念：表示说话时正在进行的动作。（提示词：Now, look, listen ）2、构成：be动词+现在分词：be动词后面的动词要加ing ,变成动名词。形式例句第一人称单数 + am +现在分词I am reading a book.第三人称单数+ is +现在分词He is doing homework. She is flying a kite.第二人称单数/各人称复数+ are +现在分词We are cooking dinner. They are cleaning the room.3、现在分词规则例词一般情况，加ingWalk-walking

12、, do-doinge结尾，去e力口 ingdance-dancing, make-making, write-writing, have-having,汉堡单词，双写加ingrun-running, swim-swimminghopping sitting语法专项整理（八）一般现在时1、概念：表示现在存在着的状况，也可理解为习惯性的动作，不断重复发生的事。提示词：always, often, usually, sometimes, never, every morning, every2、构成：分类形式例句Be动词的一般现在时粱-人称单数 + amI am a student.第三人称单数

13、+ isHe is a boy. She is pretty第二人称单数/各人称复数+ areWe are good friends.其他动词的一般现在时第三人称单数+动词单三形式She work s in the hospital. He live s in the city.其他人称+动词原形They work in the farm. We live in the village.3、动词单三形式:规则例词一般动词，加swork works, make makeso, ch , sh, s, x 结尾加 eswatch-watches, wash-washes, go-goes,do-d

14、oes辅首字母加y,去y加iesfly flies, cry-cries,元首字母加y,直接加sbuy-buys,play plays, stay-stays,不规则形式have-hasare,am is语法专项整理（九）一般将来时1、概念：表示将来要做的事，要发生的动作。提示词：tomorrow, tonight, this afternoon, this evening, this weekend, next weekend, next Monday,2、构成：(1) be动词 + going to +动词原形：1 am going to watch TV after dinner.He

15、is going to buy a book this afternoon.They are going to go swimming next Sunday.情态动词 cancan在英语中有一个特殊的名字 ，叫做情态动词，表示“能够”，“会：“能力”后面要跟着表示动作的动词。没有时 态和人称的变化。表示不能做什么的时候，后面加上not为can not,或者缩写为 cant。问别人“能，吗？要把can放在句子前面，首字母要大写，句尾别忘加上问号。I can swing .I can draw. She can jump.He can play . We can touch .They can

16、run. I cant sing.You can ;t see. She cant dance.He cant hear a car.精品文档欢迎来主页下载-精品文档三年级下册期末复习资料、一句型复习:般疑问句：有be动词把be动词提前，没be动词需加助动词Is this/that/it a ？Is he / she ？ Are you ？回答：Yes,it is. No,it回答:Yes, he /she is. No, he/she 回答：Yes, I am. No, I am not.Are these/they ？回答：Yes,they are. No,theyisn t.isn .

17、taren t.Do you.?Does he/she/it回答：Yes, I do. No, Idon .t？回答：Yes,he does. No. he doesn t.Is there.? 回答：Yes,there is. No, there isn. tAre there.? 回答： Yes,there are. No, there aren .t特殊疑问句：首先确定特殊疑问词1.where：哪里（状语）2.what :什么 3.what colour:问颜色（表语）4.who :谁（回答用 He is. She is. They are.等）5.how ：怎么样 6.how many

18、 ：多少数量 7.how much :多少钱价格Who he/she ? 回答：He s/She sWho are they?Where is.?Where are ？Where are you from?Where is he / she/ it from?Where are they from?精品文档回答：They are.回答：It tin/on.（介词短语）回答：They are in/on.（介词短语）回答：I am from. / We are from.回答：He /She / It is from 回答： They are from.欢迎来主页下载-精品文档What s in

19、 / on / near/ under / beside the？ 回答：There is /are .How many.? 回答：There is one./There are two.（2 个或 2 个以上的数字） What is it/this/that?（ 单数）回答： It s a .What are they/these/those?（复数）回答：They re 日常用语：Put.on/in（ 介词短语）回答：OKAll right.Draw.回答：OKAll right.Thank you!回答： You rewelcome.Here s.回答:Thank you!二、名词单数变

20、复数，一般都把s力口。特殊变化有以下：1 .单数复数一个样，sheep-sheep fish- fish goldfish - goldfish Chinese-Chinese Japanese -Japanese2 .遇至I oo 变 ee : foot-feet goose- geese tooth - teeth3 .有些变化就是大： mouse - mice child - children man-men woman-women4 .以 s, x, sh, ch结尾 ,+es （bu s-buses, bo x-boxes, bru sh-brushes,watch-watches）

21、5、以 0 结尾（有生命的 o） +es （tomat o-tomatoes）（番茄） 例外：kangaroo- kangaroos6 、 以辅音字母 + y 结尾， 改 y 为 i +es （ la dy-ladies, ba by-babies stu dy-studies）7 .以 f 或 fe 结尾，改 f 或 fe 为 v + es （kni fe - knives shel f-shelves）三、have与has的区另U：have, has 都是“有”,它们的用法有讲究，表示“某人有某物，have, has请记住。he, she, it “有” 用 has, I, we , th

22、ey , you者B用 have。主人单数用has ,主人复数用have。have就是能力强，疑问 （？）否定 （don t / do not ）都用它四、have , has 与 there is , there are 的区另U表示某人或某动物 有 ： has / have （I have a dog. The dog has a short tail.） 表示某地方 有：there is / are （There is a book in the bag.）五、SomT any的区别：some用于肯定句中，any用于否定句和疑问句中如：I have some books. Idon have any books. Do you have any books六.a 与an的区别一般来讲，元音字母（即a, e , i, o , u ）开头的单词用an如： an apple an ear an American girl an Australian stamp an old man七. There be 句型 （即 there is / t