广东开心版英语三年级下册单元知识点摘要一、形容词：big small happy sad hot cold tall short二、句子：I'am ... You're ... They're ... We're ... She's ... He's ... It's ...（I am ... You are ... They are ... We are ... She is ... He is ... It is ... )一、颜色词：red yellow blue pink orange green purple brown black white二、三原色：red红yellow 黄blue蓝配色：red + yellow = orange red+blue=purple yellow+blue=green red +white = pink red+ black=brown三、句子问物品是什么颜色：单数句：What color is this What color is that What color is it It's ...一、房间物品单词：bed pillow window clock lamp door二、句子A 那是什么What's that It's ...B 那是......吗Is that a (an ) ... Yes , it is . \ No , it isn't .一、名词变复数方法：1 直接加s book--books2 以s \ x \ sh \ ch 结尾加es box--boxes watch --watches peach- peaches3 以辅音加y结尾，把y改i再加es cherry - cherries4 以f 或fe 结尾，把f或fe改为v ，再加es knife - knives二、水果类单词(单数与复数）：banana --bananas pear-- pears orange-- oranges cherry-- cherries strawberry -- strawberries peach --peaches grape--grapes watermelon--watermelons apple--apples三、句子A 问是什么物品单数句:What's this What's that What's it It's ... （答物单数）复数句：What are these Whese are those What are they They 're ...（答物复数）B 问是.....吗单数句：Is this a (an ) ... Is that a (an ) ... Is it a (an ) ...Yes , it is . \ No , it isn't .复数句：Are these ... Are those ... Are they ...Yes , they are . \ No , they aren't .四、单数所指物品：this这that 那it 它用is复数所指物品：these 这些those 那些they 它们用are一般称呼女的用：Miss + 姓(...... 女士、小姐)一般称呼男的用：Mr . + 姓（...... 先生)结了婚的女士称呼：Mrs . + 丈夫的姓（ ......夫人、太太）一、方位词：in on under between二、衣物类词：socks pants skirt jacket三、句子：A 问单数物品方位:Where's ... It's in \ on \ under \ between the ... (答方位）B 问复数物品的方位：Where are ... They're in \ on \ under \ between the ... (答方位)（where's = where is 在哪里）一、餐具类词（单复数）：fork--forks spoon--spoons knife--knives chopstick--chopsticks cup--cups glass--glasses plate--plates bowl--bowls二、助词用法疑问助词do 与否定助词don't 用于人称：I you we they 复数人称某人有：I have ... You have ... We have ... They have ...没有：I don't have ... You don't have ... We don't have ... They don't have ...疑问助词does 与否定助词doesn't 用于人称he she it 男他或女她一个人单数人称某人有：He has ... She has ... It has ...没有：He doesn't have ... She doesn't have ... It doesn't have ...( 用了助词has 都变为have )三、句子问别人有......吗Do I have ... Yes , you do . \ No , you don't .Do we have ... Yes , you do . \ No , you don't .Do you have ... Yes , I do . \ No , I don't .Do they have ... Yes , they do . \ No , they don't .Does he have ... Y es , he does . \ No , he doesn't .Does she have ... Y es , she does . \ No , she doesn't .Does it have ... Y es , it does . \ No , it doesn't .一、整点时间表示法：直接在数字后加o'clock （点钟）one o'clock 一点钟two o'clock两点钟three o'clock三点钟four o'clock四点钟five o'clock五点钟six o'clock六点钟seven o'clock七点钟eight o'clock八点钟nine o'clock九点钟ten o'clock十点钟eleven o'clock十一点钟twelve o'clock十二点钟二、句子：A 问别人九点钟了What time is it It's ...B 问别人现在是......了吗Is it ...o'clock Yes , it is . \ No , it isn't .一、数词one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty二、句子询问物品有多少个How many ...（复数) are there单数答：There is ...( 数目）两个以或上复数答：There are ... （数目）（注意：问的时候，不知道物品的具体数，用复数来问）一、中国食物单词：rice 米饭noodles 面条mantou 馒头congee粥dumplings 饺子二、西方食物单词：cheese 奶酪hamburger 汉堡包sandwich 三明治salad色拉potato 马铃薯三、吃中餐用具：bowl 碗spoon 汤匙chopsticks 筷子吃西餐用具：fork 叉spoon 汤匙plate 碟子knife 刀四、一日三餐：breakfast 早餐lunch 午饭dinner 晚饭五、一日三餐吃的事物和使用的餐具：I have ... for breskfast . I use ...I have ... for lunch . I use ... I have ... for dinner . I use ...h [ h ] happy hello a [ ] sad animal g [ g ] big good t [ t ] tall tabley [ y ] yellow you r [ r ] red read p [ p ] pink pencilL [ l ] lamp lion d [ d ] door desk w [ w ] window watchm [ m ] monkey watermelon n [ n ] banana nine b [ b ] strawberry balloonj [ ] jacket juice u [ ] under uncle i [ ] in tennis o [ ] on dogc [ k ] cup cake k [ k ] fork kite q [ k ] quiet queenf [ f ] four family v [ v ] violin eleven e [ e ] ten elephants [ s ] sevevteen sing x [ ks ] sixteen box z [ z] zero zoo三年级下册英语第一单元复习卷姓名：___________________一、重点单词：big大的small小的they他/她/它们sad伤心的happy高兴的tall高的short矮的Hot热的cold冷的二、重点句型：【完全形式和复合形式的转变】I’m = I am you’re = you are he’s = he is she’s = she isWe’re = we are they’re = they are①人称代词：I（我）you（你）he（他）she（她）it（它）we（我们）they（他们）you（你们)②be 动词：am（只能与I搭配）I am…..are（和第二人称和复数人称搭配）you / we / they / + are …….is （第三人称或者单数人称搭配）he / she / it + is ………三、练一练。