三年級英語語法大全

1、.語法專項整理（一）名詞1、名詞的種類：專有名詞China, Beijing, Amy, January, Monday,普通名詞可數(shù)名詞單數(shù)a book, a pencil, an apple, an umbrella,復(fù)數(shù)books, pencils, apples, umbrellas,不可數(shù)名詞milk, water, juice, tea, rice,2、專有名詞：專有名詞是指某個人、某些地方、某樣物品專有的名稱。Childrens Day 專有名詞第一個字母要大寫，前面不加a, an, the3、單數(shù)名詞：（1）一般名詞，在前面加a：a book, a computer,（2）元音

2、字母開頭的名詞，在前面加an： an egg, an orange（元音字母是：a, e, i, o, u） 少數(shù)例外: an hour, a university (以元音發(fā)音為準(zhǔn))4、復(fù)數(shù)名詞：規(guī)則：情況規(guī)則例詞一般情況加scats, appleso, s, x, ch, sh結(jié)尾加espotatoes, buses, classes, boxes, watches輔音字母加y結(jié)尾去y加iesbutterfly-butterflies元音字母加y結(jié)尾加sdays, keys, boysf, fe結(jié)尾變成vesleaf-leaves, knife-knives不規(guī)則：情況例詞改變元音foot

3、-feet, tooth-teeth, goose-geese, man-men, woman-women,詞尾發(fā)生變化childchildren, mouse- mice單復(fù)數(shù)同形sheep-sheep, deer-deer, fish-fish, people-people5、不可數(shù)名詞：在不可數(shù)名詞前只能加some（一些）, much（許多）（1）液體：water, milk, coke, coffee, juice, tea（2）氣體：air, vapour（3）不能“個別的”存在：hair, rice, beef, meat, pork, mutton語法專項整理（二）代詞1、人稱代

4、詞人 稱單 數(shù)復(fù) 數(shù)主 格賓 格主 格賓 格第一人稱Imeweus第二人稱youyouyouyou第三人稱hehimtheythemsheheritit2、物主代詞人 稱單 數(shù)復(fù) 數(shù)形容詞性名詞性形容詞性名詞性第一人稱mymineourours第二人稱youryoursyouryours第三人稱hishistheirtheirsherhersitsits3、指示代詞：this, that, these, those 如：This is my doll. That is Marys.Look at the those sheep. They are eating grass.語法專項整理（三）數(shù)

5、詞1、 基數(shù)詞：表示數(shù)目的多少oneone hundredtwotwentyone thousandthreethirteenthirty三位數(shù)要在百位和十位之間加and如：one hundred and sixteen 116one hundred and twenty-one 121fourfourteenfortyfivefifteenfiftysixsixteensixtysevernseventeenseventyeighteighteeneightyninenineteenninetyten加teen加ty兩位數(shù)（非整十）中間加連字符“-”如：fifty-one 51elevent

6、welve2、 序數(shù)詞：表示順序第一至第十第十一至第十九第二十及以上firsteleventhsecondtwelfthtwentieththirdthirteenththirtiethfourthfourteenthfortiethfifthfifteenthfiftiethsixthsixteenthsixtiethseventhseventeenthseventietheightheighteentheightiethninthnineteenthninetiethtenth除第1、2、3, 直接加thty結(jié)尾，變y為ie，再加th語法專項整理（五）介詞1、介詞的分類 詞類例詞時間介詞a

7、t 7:00, in the morning, on Monday, before lunch, after dinner, 方位介詞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,動向介詞go to school, jump into the water, climb up the tree, ski down the mountain, run out of th

8、e door方式介詞by bike, on foot, play with my friend2、at, on, in在表示時間時的區(qū)別：（1）at用于具體的時刻：at 10:05, at noon, at night,（2）on用于具體的一天（常與星期、節(jié)日、具體的某一天連用，也表示某天上午、下午或晚上）：on Monday, on New Years Day, on June 1st, on my birthday, on Friday morning, on the weekend,（3）in用于某一段時間（常與上午、下午、晚上連用，常與月份、季節(jié)、年份連用）：in the mornin

9、g, in the afternoon, in the evening, in March,in spring, in 2007,語法專項整理（六）There be 結(jié)構(gòu)1、 概念：There be結(jié)構(gòu)又叫存在句，表示某地存在某物。2、 There be 結(jié)構(gòu)的肯定句（1） There is + 可數(shù)名詞單數(shù) + 地點：There is a book on the desk.（2） There is + 不可數(shù)名詞 + 地點：There is some water in the glass（3） There are + 可數(shù)名詞復(fù)數(shù) + 地點：There are some flowers in

10、 the garden.l 就近原則：若句子中有幾個并列的主語，be動詞的形式和最近的一個主語保持一致 There is a book and 2 pencils in the bag. There are many flowers and a tree in the garden.3、 There be 結(jié)構(gòu)的疑問句（把be動詞提到句子前面，若句子中有some，要變?yōu)閍ny）Is there a book on the desk"Is there any water in the glass"Are there any flowers in the garden"

11、;語法專項整理（七）現(xiàn)在進(jìn)行時1、概念：表示說話時正在進(jìn)行的動作。（提示詞：Now, look, listen）2、構(gòu)成：be動詞 + 現(xiàn)在分詞： be動詞后面的動詞要加ing，變成動名詞。形式例句第一人稱單數(shù) + am + 現(xiàn)在分詞I am reading a book.第三人稱單數(shù)+ is + 現(xiàn)在分詞He is doing homework. She is flying a kite.第二人稱單數(shù)/各人稱復(fù)數(shù)+ are + 現(xiàn)在分詞We are cooking dinner. They are cleaning the room.3、現(xiàn)在分詞規(guī)則例詞一般情況，加ingWalk-walki

12、ng, do-doinge結(jié)尾，去e加ingdance-dancing, make-making, write-writing, have-having,漢堡單詞，雙寫加ingrun-running, swim-swimming hopping sitting 語法專項整理（八）一般現(xiàn)在時1、概念：表示現(xiàn)在存在著的狀況，也可理解為習(xí)慣性的動作，不斷重復(fù)發(fā)生的事。提示詞：always, often, usually, sometimes, never, every morning, every 2、構(gòu)成：分類形式例句Be動詞的一般現(xiàn)在時第一人稱單數(shù) + amI am a student.第三人稱

13、單數(shù) + isHe is a boy. She is pretty第二人稱單數(shù)/各人稱復(fù)數(shù) + are We are good friends. 其他動詞的一般現(xiàn)在時第三人稱單數(shù) + 動詞單三形式She works in the hospital. He livesin the city.其他人稱 + 動詞原形They work in the farm. We live in the village.3、動詞單三形式：規(guī)則例詞一般動詞,加sworkworks, makemakeso，ch，sh，s，x結(jié)尾加eswatch-watches, wash-washes, go-goes, do-do

14、es輔音字母加y，去y加iesflyflies, cry-cries,元音字母加y，直接加sbuy-buys, playplays, stay-stays,不規(guī)則形式have-has are,amis語法專項整理（九）一般將來時1、概念：表示將來要做的事，要發(fā)生的動作。 提示詞：tomorrow, tonight, this afternoon, this evening, this weekend, next weekend, next Monday, 2、構(gòu)成：（1）be動詞 + going to + 動詞原形：Iam going to watch TV after dinner.He i

15、s going to buy a book this afternoon.They are going to go swimmingnext Sunday.情態(tài)動詞cancan在英語中有一個特殊的名字,叫做情態(tài)動詞，表示“能夠”, “會”, “能力”后面要跟著表示動作的動詞。沒有時態(tài)和人稱的變化。表示不能做什么的時候,后面加上not為cannot,或者縮寫為cant。問別人“能嗎.”要把can放在句子前面,首字母要大寫,句尾別忘加上問號。I can swing .I can draw.  She 

16、;can jump.He can play .   We can touch .They can run.  I cant sing.You cant see.  She cant dance.He cant hear a car.三年級下冊期末復(fù)習(xí)資料一、句型復(fù)習(xí)：一般疑問句：有be動詞把be動詞提前，沒be動詞需加助動詞Is this

17、/that/it a ." 回答：Yes,it is. No,it isnt.Is he / she" 回答：Yes, he /she is. No, he/she isnt. Are you " 回答：Yes, I am. No, I am not.Are these/they ." 回答：Yes,they are. No,they arent.Do you." 回答：Yes, I do. No, I dont. Does he/she/it" 回答：Yes,he does. No. he doesnt.Is there."

18、; 回答：Yes,there is. No, there isnt. Are there." 回答：Yes,there are. No, there arent.特殊疑問句：首先確定特殊疑問詞 1.where：哪里（狀語） 2.what ：什么 3.what colour：問顏色（表語） 4.who ：誰 ( 回答用He is. She is. They are.等） 5.how：怎么樣 6.how many：多少數(shù)量 7.how much：多少錢價格Whos he/she " 回答：Hes/Shes Who are they" 回答：They are. Wher

19、e is." 回答：Its in/on.(介詞短語) Where are" 回答：They are in/on.(介詞短語) Where are you from" 回答：I am from. / We are from. Where is he / she/ it from" 回答： He /She / It is from Where are they from" 回答： They are from.Whats in / on / near/ under / beside the " 回答：There is /are . How

20、many." 回答：There is one./There are two.(2個或2個以上的數(shù)字)What is it/this/that" (單數(shù)) 回答： Its a . What are they/these/those" （復(fù)數(shù)）回答： Theyre 日常用語：Put.on/in(介詞短語). 回答： OK/All right. Draw. 回答: OK/All right. Thank you! 回答: Youre welcome.Heres . 回答:Thank you!二、名詞單數(shù)變復(fù)數(shù)，一般都把s 加。特殊變化有以下：1.單數(shù)復(fù)數(shù)一個樣， she

21、ep-sheep fish- fish goldfish - goldfish Chinese-Chinese Japanese -Japanese2.遇到oo 變ee : foot-feet goose- geese tooth - teeth3.有些變化就是大：mouse mice child - children man-men woman-women4.以s, x, sh, ch 結(jié)尾，es (bus-buses, box-boxes, brush-brushes, watch-watches)5、以0 結(jié)尾（有生命的o）+es (tomato-tomatoes)(番茄)例外：kang

22、aroo- kangaroos6、以輔音字母y結(jié)尾，改y為ies ( lady-ladies, baby-babies study-studies)7.以f 或fe結(jié)尾，改f或fe為ves (knife- knives shelf-shelves)三、have與has 的區(qū)別：have, has 都是“有”,它們的用法有講究, 表示“某人有某物”，have, has請記住。he, she, it “有”用has，I, we , they , you 都用 have。主人單數(shù)用 has , 主人復(fù)數(shù)用 have。 have 就是能力強，疑問（.）否定（dont / do not）都用它。四、ha

23、ve ，has 與there is , there are 的區(qū)別表示某人或某動物 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、Some與any 的區(qū)別：some用于肯定句中，any用于否定句和疑問句中。如：I have some books. Idonthave any books. Do you have any books "六a 與an 的區(qū)別一般來講，元音字母（即a, e , i, o , u ）開頭的單詞用an如： an apple an ear an American girl an Australian stamp an old man七 There be 句型 （即 there is / there