三年級英語語法大全

1、三年級英語語法大全語法專項整理（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,/、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。Children ' s 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）般名詞，在前面力口 a： a boo

2、k, 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, appleso, s, x, ch, sh 結(jié)尾加epotatoes buses classes boxes watches篇音字母加y結(jié)尾去y力口 iesbutterfly-butterfl ies元音字母加y結(jié)尾加sdays, keys, boysf, fe結(jié)尾變成vesleaf-leaves, knife-kni ve

3、s不規(guī)則:情況例詞改變元音foot-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 個另用勺”存在：hair, rice, beef, meat, pork

4、, mutton語法專項整理（二）代詞1、人稱代詞三年級英語語法大全人稱單數(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 Mary ' s.Look at the those sheep. The

5、y are eating grass.語法專項整理（三）數(shù)詞1、基數(shù)詞：表示數(shù)目的多少oneone hundredtwotwentyone thousandthreethirteenthirty三位數(shù)要在百位和十位之問加and如：one hundred and sixteen 116one hundred and twenty-one121fourfourteenfortyfivefifteenfiftysixsixteensixtysevenseventeenseventyeighteighteeneightyninenineteenninetyten加 teen加tyeleven兩位數(shù)（非

6、整十）中間加連字符-”如：fifty-one 51twelve2、序數(shù)詞：表示順序第一至第十第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

7、理（五）介詞1、介詞的分類詞類例詞時間介詞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、具體的某一大連用，也表示某天上午、下午或晚上）on Monday, on New Year ' s Day, on JUnenlmy 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、

9、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

10、are some flowers in the garden.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：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We are cooking dinner. They are cleaning the分詞room.3、現(xiàn)在分詞規(guī)則例詞，般情況，加ingWalk-walking, do-doinge結(jié)尾，去e力口 ingdance

12、-dancing, make-making, write-writing, have-having,漢堡單詞，雙寫加ingrun-running, swim-swimming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, sometimesnever, every morning, every2、構(gòu)成：分類形式例句Be動詞的第一人稱單數(shù)+ amI am a student.一般現(xiàn)在時第三人稱單數(shù)+ isHe is a boy. She is pretty第二人稱單數(shù)/各人稱復(fù)數(shù)十a(chǎn)reW

13、e 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 lives in 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, make makeso, ch, sh, s, x 結(jié)尾力口 eswatch-watches, wash-washes, go-goes, do-does軸日子母加y,去y加iesfly flies, cry-cries,元首字母加y,直接加sbuy-buys, playplays, stay-stays,不規(guī)則形式have-hasare,am is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 afte