三年級英語知識點匯總

1、三年級英語知識點匯總（一）人稱代詞和物主代詞一、人稱代詞人稱單數(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hehimtheythemsheheritit人稱代詞主格:作主語，表示誰怎么樣了、干什么了。I am a teacher.You are student.He is a student, too.We/You/They are students.人稱代詞賓格作賓語，表示動作行為的對象。Give it to me.Lets go (lets =let us)數(shù)人稱類別單數(shù)復(fù)數(shù)第一人稱第二人稱第三人稱第一人稱第二人稱第三人稱形容詞性物主代詞myyour

2、hisheritsouryourtheir名詞性物主代詞mineyourshishersitsoursyourstheirs漢語我的你的他的她的它的我們的你們的他(她、它)們的二、物主代詞形容詞性物主代詞(my/your/his/her/its/our/their)+名詞，而名詞性物主代詞(mine/yours/his/hers/its/ours/theirs則相當(dāng)于形容詞性物主代詞+名詞，故其后不必加名詞。如：-Is this your book?-No,it isnt,its hers(her book).(Jims，Toms，Marias )【練習(xí)】一、選出括號中正確的詞，在正確的詞上打

3、勾。1. This is(my / I)mother. 2. Nice to meet(your / you).3.(He / His)name is Mark. 4. Whats(she / her)name?5. Excuse(me / my / I). 6. Are(your / you)Miss Li?7.(I/ My)am Ben. 8.(She / Her)is my sister.9. Fine , thank(your / you). 10. How old is(he / his)?二、用所給代詞的正確形式填空。1. These are _ ( he ) brothers.2

4、. That is _( she ) sister.3. Lily is _ ( Lucy ) sister.4. Tom, this is _ ( me ) cousin, Mary.5. Now _(her parent)are in America.6. Those _ ( child ) are _ ( I ) fathers students.7. Do you know_ ( it ) name?8. Mike and Tom _ ( be ) friends.9. Thanks for helping _( I ).10. _(Ann安)mother is _(we) teach

5、er.三、單項選擇。()1. My family _ a big family. My family _all here.A. is, isB. are, areC. is, areD. are, is()2. This is _.A. a picture of familyB. a picture of my familyC. a familys pictureD. a family of my picture()3. Lets _ good friends.A. beB. areC. isD. am()4. Is she your aunt? Yes, _.A. shesB. her is

6、C. she isD. he is()5. Are _ coats yours?Yes, they are .A. theyB. theseC. thisD. there()6. Is that _ uncle? No, it isntA. heB. sheC. herD. hers()7. Mrs. Green is _ grandmother.A. Jim and KateB. Jim and KatesC. Jims and KatesD. Jim and Kates()8. Do you know the name _Mr. Greens son?A. inB. ofC. onD. o

7、r()9. _ the great photo of your family.A. thank forB. Thanks forC. Thank forD. thanks for()10. Are those your friends?_.A. Yes, theyreB. No, they areC. Yes, they areD. Yes, those are答案：一.my you His her me you I she you he二.1.his 2.her 3.Lucys 4.my 5.her parents 6. children my 7. its 8.are 9. me10. A

8、nnsour三.CBACB CBBBC（二）名詞所有格名詞有三個格：主格、賓格和所有格。名詞的所有格通常表示“的”。分類規(guī)則例詞's所有格單數(shù)名詞在末尾加'sthegirl'smother那個女孩的媽媽W(xué)angMei'sruler王梅的尺子以s結(jié)尾的可數(shù)名詞復(fù)數(shù)，在末尾加'sTeachers'Day教師節(jié)thestudents' books學(xué)生們的書以s結(jié)尾的人名，在末尾加's或是Dickens's/Dickens' novels狄更斯的小說以s結(jié)尾的人名，在末尾加's或是Lucy'sandLily

9、'sbikes露西和莉莉（各自）的自行車表示共同所有關(guān)系時，最后一詞末尾加'sLucy and Lilys bedroom 露西和莉莉（共同）的臥室表示“某人家”、“某店鋪”，所有格后的名詞省略thedoctors（office）醫(yī)生的診所myuncles（house）我叔叔的家of 所有格“名詞+of+名詞”構(gòu)成of所有格the window of the room 這個房間的窗戶the life of the rich 有錢人的生活雙重所有格在同一名詞詞組中同時具備a friend of my fathers 我爸爸的一個朋友s以of 兩種所有格a friend of mi

10、ne 我的一個朋友【練習(xí)】一 選擇。( )1. -Hows Joys skirt?-Her skirt is more beautiful than _.A.her sisters and Kate B.her sister and KateC.her sister and Kates D.her sisters and Kates( )2This is _ room. The twin sisters like it very much.A.Lucys and Lilys B.Lucys and Lily C.Lucy and Lilys( )3_ mothers made them hav

11、e piano lessons.A. Peter and Anne B. Peters and AnnesC. Peters and Anne D. Peter and Annes( )4The room on the right is _.A. her B. she C. Lucys D. Lucy( )5Wheres your father ? At _.A. Mr Greens B. Mr. Green C. the Mr. Greens二 填空。1. _(李明的父母)work in a big hospital.2. This is _(我妹妹的語文書)3. _(雙胞胎的臥室) are

12、 very nice.4. _(王平和王明的父親) is a hotel manager.5. Is this _(你的好朋友的鋼筆) ?6. They are _(Peter 和Sam的老師).7. _(教師節(jié)) is on September 10th .8. _(學(xué)生們的桌椅) are very new.9. We are very happy on _(兒童節(jié)).10. He is in _(老師的辦公室) now.（三）名詞單復(fù)數(shù)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,

13、an umbrella 復(fù)數(shù)books, pencila, apples, umbrellas不可數(shù)名詞milk, water, juice, tea, rice一、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 兒童節(jié)專有名詞第一個字母要大寫，前面不加冠詞a, an , the。二、單數(shù)名詞一般名詞，在前面加a ：a book, a computer元音字母（A、E、I、O、U）開頭的名詞，在前面加an ：an egg, an orange【注意】少數(shù)例外： an hour, a university（以元音發(fā)音為準）三、復(fù)數(shù)名詞（1） 規(guī)則變化情況規(guī)則

14、例詞一般情況加scat catsapple appless, x, ch, sh 結(jié)尾加esbus busesclass classesbox boxeswatch watches輔音字母加y 結(jié)尾去y 加iesbutterfly butterfliescity citiesbody bodies元音字母加y 結(jié)尾加sday dayskey keysboy boysf, fe 結(jié)尾變成vesleaf leavesknife knives（2） 不規(guī)則變化情況例詞改變元音foot feet, tooth teeth, goose geese, man men, woman women詞尾發(fā)生變化

15、child children, mouse mice單復(fù)數(shù)同形sheep sheep, deer deer, fish fisn, people people，Chinese Chinese, Janpanese Janpanese 以o 結(jié)尾加estomato tomatoes, potato potatoes其余加sphoto photos, zoo zoos【注意】當(dāng)people表示“人們”的時候，是單復(fù)數(shù)同形；表示“民族”的時候，屬于可數(shù)名詞，復(fù)數(shù)形式加s。例如：There are 56 peoples in China. 中國有56個名族。四、不可數(shù)名詞 在不可數(shù)名詞前只能加some

16、（一些），much（許多）。1、表示液體：water, juice, milk, lemonade, coffee, coke, ink2、表示自然現(xiàn)象：snow, rain, ice3、表示食品類：rice, jam, honey, meat, bread, mutton, beef, tofu, eggplant, pork,chicken, fish, food4、其它類：newspaper, news, homework, housework五、單數(shù)句和復(fù)數(shù)句口訣：單數(shù)句子變，變化規(guī)則要記住。名詞代詞要變化，am, is要變are。this, that變成啥，these, those來

17、替它。he, she, it要變啥，全部變they不用怕。I要變we莫落下，名詞后面把s/es加。名前冠詞去掉它，其余成分原樣加。具體注意下面的六要素：1、單數(shù)主格人稱代詞要變成相應(yīng)的復(fù)數(shù)主格人稱代詞，即I weyou youshe, he, it they。 e.g: She is a girl.They are girls.2、am, is要變?yōu)閍re。 e.g: I'm a student. We are students.3、不定冠詞a, an要去掉。e.g: He is a boy. They are boys.4、普通單數(shù)名詞要變?yōu)閺?fù)數(shù)形式。e.g: It is a cat

18、. They are cats.5、指示代詞this, that要變?yōu)閠hese, those。e.g: This is a book.These are books.6、man, woman作定語修飾可數(shù)名詞時，要在 "數(shù)"上與被修飾名詞保持一致。但其他名詞修飾名詞表示 "性質(zhì)"時，不作變化。e.g: He is a man doctor.They are men doctors.This is an apple tree.They are apple trees.【練習(xí)】一、請寫出下列詞的復(fù)數(shù)形式。city _ zoo _ country _ too

19、th _mouse_boy _ car _ tree _horse_ bus_ fox _ branch _ baby_ family_ dish _ radio_ photo_ piano_ knife_ leaf _ life_ thief_ man_woman_child_ foot_ this_watch_ diary_ day_ book_dress_ sheep_tea_ box_strawberry_ peach_ sandwich_ paper_ juice_ water_milk_ rice_people_ CD_ ox_ deer_fish_ 二、單項選擇。( )1. Th

20、e _ in our yard are very beautiful.A. clothB. waterC. flow( )2. Tom is one of the Chinese _ in our school.A. boyB. boysC. boies( )3. A cat has four _ , doesn't it?A. footsB. feetC. feets( )4. There are three _ and five _ in the room.A. American, Japanese B. Americans, Japanese C. American, Japan

21、ese( )5. Can you see nine _ in the picture?A. fishB. bookC. horse( )6. The _ has two_.A. boy; watchB. boy; watchesC. boys; watch( )7. The _ are flying back to their country.A. GermanyB. GermanysC. Germans( )8. The girl brushes her _ every day before she goes to bed.A. toothsB. teethC. teeths( )9.I s

22、aw many _ in the street.A. peoplesB.peopleC.peoples( )10.The green sweater is his _.A.brotherB.brothersC.brothers( )11.They come from different _A. countryB. countriesC. a countryD. countrys( )12.How many _ do you see in the picture?A. tomatosB. tomatoesC. tomatoD. the tomato( )13.They are_.A . woma

23、n teachers B. women teachersC. women teacherD. woman teacher( )14.Would you like _ ,please?A. two glass of waterB. two glasses of waterC. two glass of watersD. two glasses of waters( )15.Most of _ live in _.A. Germans, GermanB. German, GermenC. Germen, GermanyD. Germans, Germany( )16.There are some

24、_ in these _.A. knifes pencil-boxesB. knives pencils-boxC. knives pencil-boxD. knives pencils-boxes( )17._ like _ by air.A. Greens, travellingB. The Green, travelingC. The Greens, travelD. The Greens, traveling( )18. I wonder why _ are interested in action films(武打片).A. the peopleB. peopleC. peoples

25、D. the peoples( )19.There is no _ in the plate.A. applesB. orangesC. riceD. eggs( )20.My uncle has three _.A.childB.childsC.childrenD.childrens三、填入所給名詞的正確形式。1. I have two_ (knife)2. There are many _ here. (box)3. There are many _ on the road. (bus)4. A few _ are drawing on the wall. (boy)5.The _ are

26、 playing football now. (child)6.Please take two _ for me. (photo)7.I like the red _.(tomato)8.Would you please clean your _ now? (tooth)9.Do you want some _? (milk)10. There are ten _ _in our school. (woman teacher) 四、單復(fù)數(shù)相互轉(zhuǎn)換，每空一詞(含縮寫)。1. The woman is a nurse.(改為復(fù)數(shù)句)The _ _ _.2. There are some old c

27、ars.(改為單數(shù)句)There _ _ old _.3. He has a new book.(改為復(fù)數(shù)句)_ _ new _.4. Are these your chicks ?(改為單數(shù)句)_ _ your _?5. Is there a sheep in the playground?(改為復(fù)數(shù)句)_ there _ _ in the playground?（4） some和any的用法情況例句some的用法1、 用于肯定句，修飾可數(shù)名詞復(fù)數(shù)和不可數(shù)名詞。I have some books. 我有一些書。There is some water in the glass. 玻璃杯里面有些

28、水。2、用于疑問句時表示“請求、邀請或希望得到肯定的回答”Have you some stamps? 你有一些郵票嗎？Would you like some coffee? 你想喝咖啡嗎？any的用法1、用于否定句，修飾可數(shù)名詞復(fù)數(shù)和不可數(shù)名詞。I dont have any books.我沒有一些書。There isnt any water in the glass. 玻璃杯里面沒有一些水。2、用于疑問句，修飾可數(shù)名詞復(fù)數(shù)和不可數(shù)名詞。Do you have any friends at school? 你在學(xué)校有朋友嗎？Is there any juice in the bottle? 瓶

29、子里面有一些果汁嗎？3、用于肯定句中，表示“任何”，起強調(diào)作用，修飾單數(shù)可數(shù)名詞和不可數(shù)名詞。Any student can answer this question. 任何學(xué)生可以回答這個問題。Any time you can call me.任何時候你都可以打給我?！揪毩?xí)】一、用some和any填空。1. There isnt_ milk in the fridge.2. I can see_ cars, but I cant see _ buses.3. He has_ friends in England.4. Are there_ trees on the farm?5.-Would

30、 you like _ tea?-No, I dont like _ tea, but Id like _ cakes.6. Is there_ rice in the kitchen?7. There are_ new buildings in our school.8. Here are_ presents for you.9. Are there_ pictures on the wall? No, there arent _ pictures.10. There is_ milk in the bottle.11. Are there_ bananas in the bag?12. T

31、here are not _ boys on the bus.二、選擇題。( )1. Theres a little cooking oil in the house. Would you go to the store and get _?A. some B any( )2.I feel a bit hungry. Why dont you have _ bread?A. anyB.some( )3. Would you like _ coffee with sugar?A. anyB.some( )4. I havent got_ books to read.A .anyB.some( )

32、5. Lisa wants to do _ housework.A.any B.some( )6. Do you have _ toys?A.anyB.some( )7. Bill doesnt have _ money.A.anyB.some( )8. My sister cant speak _English.A.someB.any三、用some或any填空。1. I can see_birds in the tree.2. There isnt_orange juice in my bottle. Please give me_ .3. Do you have_picture-books

33、?No, I dont have_ . But I have_story-books.4.Is there_rice in the bag?No, there isnt_ .5. Are there_boys in the classroom?No, but there are_girls in it.6. Would you like_fruit juice, please?No. Id like_tea.7. If you have_questions, please put up your hands.8. May I ask you_questions, Miss Wang?9. Ca

34、n you see_bikes under the tree?參考答案：一、1. any 2. some, any3. some 4. any 5. some, any, some6. any7. some 8. some9. any, any 10. some 11. any 12. any二、1. A 2. B 3. B 4. A 5. B 6. A 7. A 8. B三、1. some 2. any, some 3. any, any, some 4. any,any 5. any, some 6. some, some 7. any 8. some 9. any（5） be動詞1、 肯

35、定句的縮寫I am = Imhe is = hesshe is = shesit is = itswe are = werethey are = theyrelet us = letswhat is = whatswho is = whoswhere is = wheresthat is = thats【注意】this is ，am not 沒有縮寫2、 否定句的縮寫否定句一般加not，縮寫形式只要把not中的o換成 is not = isntare not = arent3、 be動詞的用法口訣Be動詞真?zhèn)ゴ?，生出am is are,我用am,你用are，is連接他，她，它。單不可數(shù)用is，

36、復(fù)數(shù)名詞全用are。變疑問，往前提，句末問號莫丟棄。變否定，更容易，be后not莫忘記。疑問否定任你變，句首大寫莫遲疑。4、 肯定和否定句I am (not) from London.He is(not) a teacher.She is(not) in the dining room.Her eyes are(not) small.5、 一般疑問句-Am I a Chinese? -Yes, you are. / No, you arent. -Is the cat fat? -Yes, it is. / No, it isnt.-Are they American? -Yes, they

37、are. / No, they arent. 【練習(xí)】一、用be動詞填空。1. What _ your name? My name _ Tom.2. What _ his name? His name _ Kevin.3. What _ your moms name? Her name _ Lula.4. This _ Jim, my teacher. That_my sister.5. How _ you? I _ fine.6. How _ he? He _ OK.7. How _ Nancy? She _ fine, too.8. Where _ you from? I _ from B

38、eijing.9. Where _ he from? He _ from Canada.10. Where _ they from? They _ from England.11. Where _ your mom from? She _ from Shishi.12. Where _ his teacher from? He _ from Japan.13. Where _ Lucy and Lily from? They _ from Cuba.14. How old _ you? I _ twelve years old.15. How old _ he? He _ eleven yea

39、rs old.16. How old _ she? She _ thirteen years old.17. How old _ they? They _ fourteen years old.18. How old _ Kate and Tom? They _ fifteen years old.19. What class _ you in? I _ in ClassThree, Grade Seven.20. What class _ LiMing in?He _ in Class Four, Grade Eight.21. What grade _ Sally in? She _ in

40、 Grade Nine.22. Who _ that ? That _ Nancy.23. What _ this in English? It _ an apple.24. What _ that in English? It _ a map.25. _ you Lily? Yes, I _.26. _ he LiMing? No, he isnt. He _ LiHua.27. _ she Jane ? Yes, she _ .28. _ this a ruler? Yes, it _. / No, it isnt.29. _ that an orange? No, it isnt. It

41、 _ a toy.30. _ they teachers? Yes, they _.二、把下列句子改成否定句和一般疑問句并作肯定或否定回答。1. This is the reading room.否定句： 一般疑問句： 2. Shes Miss Lynn.否定句： 一般疑問句： 3. I am in Grade 3.否定句： 一般疑問句： 4. We are teachers.否定句： 一般疑問句： 5. These are pears.否定句： 一般疑問句： （6） 冠詞一、冠詞的定義冠詞是置于名詞之前，對名詞起限制作用的一種虛詞。 2、 冠詞的分類冠詞不定冠詞"a，an"

42、;表示泛指定冠詞"the"表示特指零冠詞指不用冠詞1、 不定冠詞a、an的用法用法例句1）用于可數(shù)名詞的單數(shù)形式前，表示"一"There is a tiger in the zoo. 動物園里有一只老虎。2）表示一類人和東西A tiger can be dangerous. 老虎可能有危害性。3）用在作表語的單數(shù)可數(shù)名詞前，表示身份、職業(yè)My mother is a teacher. 我媽媽是教師?！咀⒁狻?quot;a"+輔音開頭的詞前"an"+元音開頭的詞前判斷一個詞是以元音開頭還是以輔音開頭，是根據(jù)讀音而不是根據(jù)字母。

43、2、定冠詞的用法用法例句用以特指某（些）人或某（些）事物This is the house where Luxun once lived. 這是魯迅曾經(jīng)住過的房子。用于指談話雙方都明確所指的人或事物Open the door, please.請把門打開。用以復(fù)述上文提過的人或事物（第一次提到用“a或an”，以后再次提到用“the”）Once there lived a lion in the forest. Every day the lion asked small animals to look for food for him.從前森林里住著一只獅子。每天這只獅子要小動物們?yōu)樗麑ふ沂澄铩?/p>

44、用在序數(shù)詞和形容詞最高級前January is the first month of the year. 一月份是一年當(dāng)中的第一個月。Shanghai is the biggest city in China. 上海是中國最大的城市。表示世界上宇宙中獨一無二的事物the sun 太陽 the moon 月 the earth 地球 the sky 天空 the world 世界指由普通名詞構(gòu)成的專有名詞the West Lake 西湖 the Great Wall 長城表示方向、方位in the east 在東方 in the west 在西方 in the front 在前面 at the

45、back 在后面 in the bottom 在底部 at the top 在頂部 on the right 在右邊 on the left 在左邊在海洋、江河、湖泊、山脈、海峽、海灣等地理名詞前the Huanghe River 黃河 the Tainshan Mountains 天山山脈the Taiwan Straits 臺灣海峽 the Pacific Ocean 太平洋在姓氏復(fù)數(shù)前，表示一家人The Bakers came to see me yesterday. 貝克一家人昨天來看我。和某些形容詞連用，使形容詞名詞化，代表一類人或物the poor 窮人 the rich 富人 t

46、he sick 病人 the wounded 傷員 the good 好人 the beautiful 美麗的事物 用在表示階級、政黨的名詞前the working class 工人階級the Chinese Communist Party 中國共產(chǎn)黨 在the more, the more比較級的句式中The more you drink, the more you like it. 你越喝就越愛喝。表示演奏樂器時，樂器的前面要加theplay the piano 彈鋼琴 play the violin 拉小提琴 某些固定的表達法in the morning/afternoon/evenin

47、g 在早上/下午/晚上go to the cinema 去看電影 go to the theatre 去看戲 all the year round 一年到頭 on the way to 前往.去的路上3、零冠詞的用法用法例句人名、地名、月份、周日、節(jié)日、三餐、四季前一般不加冠詞Lei Feng雷鋒 Amy艾米China 中國 Europe 歐洲 January 一月份 Sunday 星期日 Christmas Day 圣誕節(jié) Thanksgiving 感恩節(jié) National Day 國慶節(jié) May Day 勞動節(jié)I have lunch at school. 我在學(xué)校吃午餐。Summer is the best season for