一单元语法1.Be动词：我（I）用am，你（you）用are，is连着他（he）她（she）它（it），单数名词用is，复数名词全用are。
Eg：I am a handsome boy. The cat is interesting You are a beautiful girl. Those cats are crazy.She is a cute baby.练一练1. I ________ from Australia2. She _______ a student.3.Jane and Tom _________ my friends.4. My parents _______ very busy every day.5.I ______ an English teacher now.6.Where _________ you from?7.The light _________ green. 8.My name _________ Li Dong. I _____ twelve.9. I ___ a girl. 10. Many ants ____ in my house.11.His mother ____ fat. 12.He _____ in Class 4, Grade 1.13.What _____ your name? 14.These _____ buses.2.代词人称单复数主格宾格形容词性物主代词名词性物主代词反身代词第一人称单数I me my mine myself 复数we us our ours ourselves第二人称单数you you your yours yourself 复数you you your yours yourselves第三人称单数he him his his himselfshe her her hers herselfIt It Its itself 复数they them their theirs themselvesEg:I like playing basketball. We are good friends.She tells me a good news. Our teacher teaches us a sing练一练1.________(我) am a teacher.2.My father is talking with _______(我).3._______(他) often plays basketball after school.4._______(我们) buy a pair of shoes for _______(他).5._______(他) often plays basketball after school.6._____ is my friend. 他是我的朋友。
7.My dog likes _____. 我的狗喜欢她。
8.Who is there? It’s _____. 是谁啊是我。
9.I want to buy some balloons for ______.（他）。
10.______ （我们）are Chinese. 11.This is _______(我的) book.12._______(他的) teacher is good. _____(她的)is good too.13.Mr. Green often tells _______(we) some stories.14.These are ______ photos. （我们的）15._____ like ______ car. 我喜欢他们的小汽车。
16._______(他的) chair is blue. _____________( 我们的) is yellow.17._______(我们的) classroom is big.__________( 你们的) is small.3.数词1-10：11-19：20-100：4.陈述句变否定句Be型：在be动词（am/is/are）后面直接+notEg：He is Mr Chen I am a student.He is not Mr Chen I am not a student练一练1.His card is on the table.2.These are my parents.3.Bob and Tony are our friends.4.Those things are five dollars.5.The girl is his sister.6.They are our teachers.实义动词型：在实义动词前加don’t 或doesn’t，后面实义动词回归原型.Eg：She has a small nose. They like to swim.She doesn’t have a small nose. They don’t like to swim.练一练1.I want to play football.2.My mother loves to watch TV.3.They have a small nose.4.He comes from Canada.5.陈述句变一般疑问句Be型：将be动词提前，一二人称互换，第三人称不变.（be动词随人称而变）Eg：He is my Chinese teacher. They are her parents.IS he your Chinese teacher？Are they her parents?练一练1.She is my dear mother.2.I am an honest boy.3.We are best friends.4.They are in different class.实义动词型：借助助动词Do/Does.（一二人称互换，第三人称不变）I come from Canada. My mother has a round face.Do you come from Canada? Does your mother have a round face.练一练1.His father tells him a story2.Liu Xiang likes English class3.Sally speaks English very well.4.I help my classmate with his homework.6.名词单数变复数规则：1.大多数名词后面直接加-s stops2.辅音字母加y结尾的动词，改“y“为i再加-es studies3.以“s，x，ch，sh”结尾的动词，直接加-es bus4.以“o“结尾的名词，直接加-es hero5.以f，fe结尾变为v再加es leaves6.变元音字母：man-men woman-women foot-feet tooth-teeth7.单复数同形：fish sheep deer people写出下列名词的复数形式leaf______ puppy_______ box_______ knife_______ glass_____fox______ bus______ boy______ zoo______ man______city______ family______ day_____ apple_______ eraser______mouse______ fish_____ deer _______ foot______ child_______tooth_______ guy________ hero_______ lady______ key______story______ watch______ bamboo______ Chinese______ French______1.Look，five are feeding on the hill。
A：sheep B：sheeps C：sheepes D：the sheep2.There are two in the hall。
A：woman B：women C：womans D：womens3.She well。
A：study B：studys C：studies D：the studies4.She usually to supermarket。
A：go B：goes C：gos D：went5：I have twoA:Knife B:knives C：knifes D：knifive给出所写单词的正确形式1. I have two （friend）2. A few （boy）are drawing on the wall。
2. He has several interesting （book）4. The （child）are playing football now。
5. There （be）a book and two pens on the desk。
6. Yangtze River is one of the longest （river）in China。
不可数名词的量“计量名词+of”表个数：piece，bit（一点），item（一些），article（一件）表形状：bar（块），drop（滴），slice（片）表容积：bowl（碗），pail（桶），glass（杯），cup，bottle（瓶）名词的格直接加“s”表示“…..的”children’s clothes以s结尾的名词所有格直接加“’”teachers’books直接加“of”表从属（无生命）the wall of the classroomThere be的就近原则there is a book in the desk练一练（教师节）is on September 10th。
（学生的桌椅）are very new。
（赵敏的鞋）is white(麦克和丽丽的学校)is beautiful。
(麦克和丽丽的学校)are beautiful。
二：写出下列短语名词所有格老人的雨伞 the old man，unbrella图书馆的书 the books ，the library我哥哥的电脑 the brother，computer山顶 the top，the hill冠词不定冠词a/an，表泛指，用于单数可数名词前.Eg：a desk a book a table an apple an orange an honest boy 定冠词the，特指，单复数名词前都可用.Eg：we are in the same class.The girl in a pink skirt is Jane.比较：This is a bike. This is an orange dress.The bike in blue is mine. The orange dress is hers.。