【知识点】科普版初中英语七年级上册 Unit2

Unit2

Unit2 Looking DifferentUnit 2-topic1句型1、I have a small nose.2、Do you have a big knife?Yes,I do./No,I don`t.3、He/She/It has a big ears.4、Does she have a small hands?Yes,she does./No,she don`t.5、We/You/They have round faces.6、Do they have long legs? Yes,they do./No,they don`t.7、Who is your favorite star?It`s Jackie Chan.8、I see.9、Yes,you`re right.10、I come from England.11、We are in the same school,but in different grades.
语法
1.动词have(1)have表示归属，意为“有，占有”，第三人称单数形式是has。have用于除第三人称单数以外的其他任何人称，而has仅用于第三人称单数。e.g. I/You/We/They have a telephone.我/你(们)/我们/他们有一部电话。He/She/It has big ears.他/她/它长着大耳朵。(2)have, has的否定形式分别为don’t  have和doesn’t have。e.g. I/You/We/They don’t have a car.我/你(们)/我们/他们没有小汽车。He/She/It doesn’t have a friend.他/她/它没有朋友。(3)have和has的一般疑问句及其答语。have和has的一般疑问句是在句首加Do或Does构成，谓语动词都是have。e.g. —Do I/you/we/they have a car?我/你(们)/我们/他们有辆小轿车吗？—Yes, you/I/we/they do.是的，你(们)/我/我们/他们有。—Does he/she/it have a friend?他/她/它有朋友吗？—Yes, he/she/it does.是的，他/她/它有。2.形容词big/small, long/short大/小，长/短形容词是表示人或事物特征的词， 在句中主要用作定语或表语等。e.g. He has a big nose.他有一个大鼻子。(定语)His nose is big.他的鼻子大。(表语)Unit 2-topic2基本句型1、We don't look the same.=We look different.2、What does she look like? She is tall.3、What color is that T-shirt? It`s red.4、What color are those shoes?They`re green.5、Please give this letter to Maria.6、Oh,I see.I`ll give it to her.7、But you look the same.8、The girl in a yellow dress is Maria.9、He is in a black cap and blue shoes.1.特殊疑问句 特殊疑问句是就句子中的某一特定部分进行提问的问句。特殊疑问句句末用问号，一般读降调。 （1）特殊疑问词 特殊疑问句都由疑问词引起，常用的疑问有who(谁)，whose(的)，which（哪一个），what(什么)，when（何时），where(何地)，why（为什么）和how(如何)等。 （2）特殊疑问句的语序 特殊疑问句的基本结构为：疑问词+ be /助动词/情态动词+主语+谓语/表语（+其他）？e.g. (1)—What is your name? 你叫什么名字？—My name is Lily. 我叫莉莉。(2) —Who are they? 他们是谁？—They are my friends. 他们是我的朋友。(3) —Where is Kangkang from? 康康来自哪里？—He is from China. 他来自中国。(4) —Which is your bike? 哪辆自行车是你的？—The new one. 新的那辆。2.询问颜色及回答：What color is/are...? It is/They are...e.g. (1)—What color is the dress? 这件连衣裙是什么颜色的？—It is red. 它是红色的。(2)—What color are your shoes? 你的鞋是什么颜色的?—They are white. 它们是白色的。3.look like 与look the samelook like...意为“看起来像……”，相当于be like, like是介词，后面通常接名词或代词。e.g. (1)The girl looks like my sister=The girl is like my sister. 这个女孩看起来像我的妹妹。(2)—Who does she look like? 她看起来像谁? —She looks like her mother. 她看起来像她的妈妈。(3)—What does she look like?/ What is she like? 她长得什么样？ —She is tall./She has two big eyes and a small mouth.  她个子高。/她长着两只大眼睛和一张小嘴巴。look the same意为“看起来很像，看起来一样”,其后不跟名词或代词。e.g. A and B look the same. A和B看起来一样。The two books look the same. 这两本书看起来一样。4、Give sth. to sb.=give sb. Sth.把某物给某人e.g. Please give the book to me.=Please give me the book.请把这本书给我。当某物用代词来指代时，必须把代词放在动词后面。e.g. Give it to me.5、short blond hair”金黄色的短发”，当多个形容词修饰名词时，其顺序为：数量+大小/长短+颜色+名词。e.g. two big red apples.6、want to do sth. 想要做某事I want to meet a new friend.7、look at 看8、in a yellow dress9、Jane is in a purple T-shirt and a pink skirt. in a purple T-shirt and a pink skirt在句中作is的表语。e.g.Kangkang is in a white coat.10、They are good friends and they look happy.look在这里是系动词，happy是形容词，作look的表语，构成“系表”结构e.g.She looks very beautiful.Unit 2-topic3
基本句型1、Whose cap is it? It`s Sally`s.2、Whose banana are these? They`re their bananas/theirs.3、We look the same,but we are in different clothes.4、I think it`s Kangkang`s.物主代词表示所有或所属关系的代词，叫物主代词，也称代词所有格。物主代词分为名词性物主代词和形容词性物主代词两种。形容词性物主代词my your his her our your their名词性物主代词mine yours his hers ours yours theirs物主代词用法如下：(1)形容词性物主代词必须置于名词前，修饰限定名词，作定语。e.g. —What’s your name? 你叫什么名字?—My name is Jane. 我叫简。(2)名词性物主代词相当于“形容词性物主代词+名词”，在句子中主要是作主语、宾语和表语。e.g. —Is this pen yours? 这支钢笔是你的吗?(表语)—No, it isn’t. It`s his. 不，不是。是他的。(表语)Mine is on my desk. 我的在我的课桌上。(主语)She knows my name and I know hers. 她知道我的名字，我也知道她的名字。(宾语)(3)名词前若有形容词性物主代词，不可再出现a,an, the, this, that, these, those之类的限定修饰词。如果要表示这种意义，则用“of+名词性物主代词”这种结构。e.g. a friend of mine 我的一个朋友(4)whose既是形容词性物主代词，又是名词性物主代词。e.g. Whose is this book?这本书是谁的？（名词性物主代词）Whose book is this?这是谁的书？（形容词性物主代词）help sb.(to)do sth.帮助某人做某事，“to”可以省略He helps me (to)learn English.【重点短语】1. give sb. sth. = give sth. to sb.把某物给某人Please give it to her.2. look the same 长相相同     look different 长相不同，看起来不一样3. look like 看起来像He looks like his father. = He and his father look the same.4. next to 在……旁边The boy next to me is my good friend.5. in +颜色  穿着……颜色的衣服in +a/an +颜色+衣服  穿着……颜色的……The boy in a yellow T-shirt and gray pants is my good friend.6.都(1) both两者都（be动词之后，实义动词之前）They both have brown hair and black eyes.They are both office workers.(2)all 三者或三者以上都They are all kind to me. 7. 数字+(形状、大小)+颜色+n.  two big red applesShe has short blond hair. 【重点句型】1. Who is your favorite actor?2. We are in the same school, but we are in different grades.3. What do/does +主语+look like? ……长得怎么样？---What does he look like?--- He is not very tall but very strong.4. We don’t look the same, but we are good friends.We look the same, but we are in different clothes.5. ---What color is/are +主语？---It’s/ They’re +颜色.---What color is her hair? ---It’s blond.6. This is my cap. = This cap is mine.Is this your cap? = Is this cap yours?---Whose cap is this? = Whose is this cap? --- It’s Sally’s.---Whose are these bananas? --- They’re their bananas/ theirs.7. His pants are blue and mine are white.(mine=my pants)My T-shirt is green and his is brown.(his=his T-shirt)8. I have small eyes, but he has big ones.（ones指代eyes）My jacket is blue and white. That one is blue. （one指代jacket）【重点语法】1. 动词原形和动词第三人称单数形式（1）主语是第三人称单数形式（he、she、it；单一的人；单一的名字；单一的事物），动词要用单三形式。实义动词变第三人称单数的规则：① 一般情况直接加“s”，如：come---comes，meet---meets② 动词以o，s，sh，ch, x结尾，加“es”，如：do--does; go--goes; teach--teaches③ 以辅音字母+y结尾，变y为i，再加es, 如：study--studies, fly--flies, try--tries④ 特殊情况：have--has（2）句型转换① 当主语为第三人称单数：变否定句时，在动词前加doesn’t, 动词现原形；变一般疑问句时，在句首加does，动词现原形。一般疑问句的肯定回答：Yes, 人称代词+does；否定回答：No, 人称代词+doesn’t.如：She has small eyes.---She doesn’t have small eyes.---Does she have small eyes?---Yes, she does. /No, she doesn’t.② 当主语为第一、第二人称变否定句，在动词前加don’t，变一般疑问句，在句首加do，肯定回答：Yes, 人称代词+do；否定回答：No，人称代词+don’t.They have small eyes.---They don’t have small eyes.--- Do they have small eyes?  ---Yes, they do. / No, they don’t.2. 表示所属关系 （1）名词性物主代词=形容词性物主代词+名词形容词性物主代词   my    your   his   her    our   their    its名词性物主代词    mine   yours   his   hers   ours  theirs   its• --Whose is this pen? Is it yours?• --No, it’s not mine. My pen is blue. （2）名词所有格① 用于人或其他表示有生命的名词后：• 单数或不以s结尾的复数+’s，如：Jane’s book；Women’s Day• 以s结尾的复数+’如： Teachers’ Day• Lucy’s and Lily’s bags 分有   Lucy and Lily’s room 共有Those are Jane’s shoes.= Those shoes are Jane’s.② of 表示所属关系，用于没有生命的物体，如：a map of China；a photo of my family

 戳阅读原文，获取更多学习资料！