三年級英語語法大全

1、精品資料歡迎下載語法專項(xiàng)整理（一）名詞1、名詞的種類:專用名詞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,/、可數(shù)名詞milk, water, juice, tea, rice,Children 's Day2、專有名詞：專有名詞是指某個(gè)人、某些地方、某樣物品專有的名稱。專有名詞第一個(gè)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,

2、a computer,（2）元音字母開頭的名詞，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, apple so, s, x, ch, sh 結(jié)尾加espotato es, bus es, class es, boxes, watch es輔音字母加y結(jié)尾去y力口 iesbutterfly-butterfl ies元首字母加y結(jié)尾加sdays, key s, boysf, fe結(jié)尾變成vesleaf-lea ves ,

3、knife-kni ves不規(guī)則:例詞情況改變元音foot-feet, tooth-teeth, goose-geese, man-men, woman-women,詞尾發(fā)生變化child children, 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）11） 液體： water, milk, coke, coffee, juice, tea（2） 氣體： air, vapour（3）不能“個(gè)另U的”存在：hair, rice, beef

4、, meat, pork, mutton語法專項(xiàng)整理（二）代詞1、人稱代詞人稱單數(shù)復(fù)數(shù)主格賓格主格賓格第人稱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 Mary' s.Look at the those sheep. The

5、y are eating grass.語法專項(xiàng)整理（三）數(shù)詞1、基數(shù)詞：表示數(shù)目的多少oneone hundredtwotwentyone thousandthreethirteenthirty二位數(shù)要在百位和十位之間加andfourfourteenforty如：one hundred and sixteen 116fivefifteenfiftyone hundred and twenty-one 121sixsixteensixtysevernseventeenseventyeighteighteeneightyninenineteenninetyten加 teen加tyeleven兩位數(shù)

6、（非整十）中間加連字符“-”twelve如：fifty-one 512、序數(shù)詞：表示順序第3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(xiàng)整理

7、（五）介詞1、介詞的分類詞類例詞時(shí)間介詞at 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 mou

8、ntain, run out of the door方式介詞by bike, on foot, play with my friend2、at, on, in在表示時(shí)間時(shí)的區(qū)別:（1） at 用于具體的時(shí)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 Year 's Day, on June 1 st, on my birthday, on Friday morning, on the weekend,（3） in用于某一段時(shí)間（常與上午、下午、晚

9、上連用，常與月份、季節(jié)、年份連用）：in the morning, in the afternoon, in the evening, in March, in spring, in 2007,語法專項(xiàng)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11） There is + 可數(shù)名詞單數(shù) + 地點(diǎn)：There is a book on the desk.（2） There is + 不可數(shù)名詞 + 地點(diǎn)： There is some water in the glass（3） There are + 可數(shù)名詞復(fù)數(shù)

10、+ 地點(diǎn)： There are some flowers in the garden.就近原則：若句子中有幾個(gè)并列的主語，be動詞的形式和最近的一個(gè)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

11、in the garden?語法專項(xiàng)整理（七）現(xiàn)在進(jìn)行時(shí)1、概念：表示說話時(shí)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ing

12、Walk-walking, do-doinge結(jié)尾，去e力口 ingdance-dancing, make-making, write-writing, have-having,漢堡單詞，雙寫加ingrun-running, swim-swimminghopping sitting語法專項(xiàng)整理（八）一般現(xiàn)在時(shí)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, every2、構(gòu)成：分類形式例句Be動詞的一粱-人稱單數(shù) + amI am a student

13、.般現(xiàn)在時(shí)第三人稱單數(shù) + isHe is a boy. She is pretty第二人稱單數(shù)/各人稱復(fù)數(shù)+ areWe are good friends.其他動詞的第三人稱單數(shù)+動詞單三形式She work s in the hospital. He live s in the city.一般現(xiàn)在時(shí)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swork works, make makeso, ch , sh, s, x 結(jié)尾加 eswatch-watches,wash-washes,go

14、-goes, do-does輔首字母加y,去y加iesfly flies, cry-cries,元首字母加y,直接加sbuy-buys, play plays, stay-stays,不規(guī)則形式have-hasare,am is語法專項(xiàng)整理（九）一般將來時(shí)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：I am going to watch TV aft

15、er dinner.He is 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(gè)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(shí) 態(tài)和人稱的變化。表示不能做什么的時(shí)候，后面加上not為can not,或者縮寫為 can't。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 can jump.He can play .

16、We can touch .They can run. I can't sing.You can ;t see. She can't dance.He can't hear a car.三年級下冊期末復(fù)習(xí)資料、一句型復(fù)習(xí):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/that/it a ？Is he / sheAre you ？Are these/they ？回答：Yes,it is. No,it isn ' t.回答：Yes, he /she is. No, he/she回答：Yes, I am. No, I am not.回答：Ye

17、s,they are. No,they aren' 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

18、 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(jià)格Who' he/she ?Who are they?Where is.?Where are ？Where are you from?Where is he / she/ it from?Where are they from?回答：He' s/She ' s回答：They are.回答：It ' tin/on.（介詞短語）回答：They are in/on.（ 介詞短語）回答：I am from. / We are from

19、.回答：There is /are .回答：He /She / It is from 回答： They are from.What' s in / on / near/ under / beside theHow many.? 回答：There is one./There are two.（2 個(gè)或 2 個(gè)以上的數(shù)字）What is it/this/that?（ 單數(shù)）回答： It s a .What are they/these/those?（復(fù)數(shù)）回答：They' re 日常用語：Put.on/in（ 介詞短語）回答：OKAll right.Draw.回答：OKAll ri

20、ght.Thank you!回答： You' rewelcome.Here' t.回答:Thank you!二、名詞單數(shù)變復(fù)數(shù)，一般都把 s力口。特殊變化有以下：1 .單數(shù)復(fù)數(shù)一個(gè)樣，sheep-sheep fish- fish goldfish - goldfish Chinese-Chinese Japanese -Japanese2 .遇至I 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,

21、sh, ch 結(jié)尾 , +es (bu s-buses, bo x-boxes, bru sh-brushes, watch-watches)5、以 0 結(jié)尾(有生命的 o) +es (tomat o-tomatoes)(番茄)例外：kangaroo- kangaroos6 、 以輔音字母 + y 結(jié)尾， 改 y 為 i +es (la dy-ladies, ba by-babies stu dy-studies)7 .以 f 或 fe 結(jié)尾，改 f 或 fe 為 v + es (kni fe- knives shel f-shelves)三、have與has的區(qū)另U：have, has 都是

22、“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者B用 have。主人單數(shù)用has ,主人復(fù)數(shù)用have。have就是能力強(qiáng)，疑問 (？)否定 (don' t / do not )都用它。四、have , has 與 there is , there are的區(qū)另U表示某人或某動物 有 ： has / have (I have a dog. The doghas a short tail.)表示某地方 有：there is / are (There is a book in the bag.)五、SomT any的區(qū)別：如：I have some books. Isome用于肯定句中，any用于否定句和疑問句中don' have any books. Do you have any books6 .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 man7 . There be 句型(即 there is / there are )意思：表示某地方