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1、-七年级上册英语课件unit1-2-第 9 页七年级上 Unit 1 My names Gina.v 语法详解:形容词性物主代词:概念:形容词性物主代词是用来表示所有关系的代词,有人称和数的变化。用法:形容词性物主代词不能单独使用,其后必须接名词,即在名词前作定语。形容词性物主代词不能与冠词和指示代词连用。形容词性物主代词与形容词一起修饰名词时,其顺序应为:形容词性物主代词形容词名词。如:my red pen 我的红色钢笔BE动词一般疑问句 :概念:一般疑问句是指可以用Yes或No回答的疑问句。本单元主要学习be动词的一般疑问句。结构:Be动词主语其他?回答:Yes,主语be.(肯定回答)/N
2、o,主语be not.(否定回答)如:Is he Jim?他是吉姆吗?Yes,he is./No,he isnt.是的,他是。/不,他不是。be动词可缩写与不可缩写的情况:be动词可缩写的情况一般am,is,are与前面的名词或代词缩写时,省去前面的元音字母并在省去的地方加“”。如:I amIm; what iswhats; you areyourenot与be动词的缩写形式。如:are notarent; is notisntbe动词不可缩写的情况this is,am not,those/these are都没有缩写形式。在一般疑问句的简略回答中,肯定回答时,代词不能与am,is,are缩写
3、。如:Are you Tom?你是汤姆吗?正:Yes,I am. 误:Yes,Im.v 语法专练一、用所给词的适当形式填空。1Hello! _ (I) am Mary.Whats _ (you) name?2Are _ Jack?(you)3How are _ ?Im fine,thank _(your)4Whats _ name?_ name is Tom.(he)5Is _ Alice?No,_ isnt._ names Mary.(she)二、按要求完成句子。6His name is Nick(对画线部分提问)_ _ _ name?7Is he Jack?(作肯定回答)_ , _ _.8
4、Are you Linda?(作否定回答)_,_ _ _.9My name is Tony Brown.(改为同义句)_ _Tony Brown.10 name,her,is,Jenny (连词成句)三、根据汉语意思完成句子。11我叫吉姆,很高兴认识你!_ Jim._ to meet you!12她叫什么名字?詹妮。_ _ name?_ Jenny.13你的钢笔是什么颜色?What color _ _ pen?14他的钢笔是蓝色的。_ _ is blue.七年级上 Unit 2This is my sisterv 语法详解一、单数句变成复数句:转变原则:四变,一去,一坚持。四变:指示代词的变化
5、:this和that分别变为these和those。eg:This (That) is a pen.这(那)是一支钢笔。These (Those) are pens.这些(那些)是钢笔。人称代词的变化:I变为we,you还是you,he/she/it变为they。eg:Im a student.我是一名学生。We are students.我们是学生。be动词的变化:am或is变为are。eg:Im a girl.我是一个女孩。We are girls.我们是女孩。可数名词的变化:可数名词单数变为复数时,要注意以下变化规则。一般情况下词尾加s。eg:bookbooks书;penpens钢笔以s
6、,x,ch,sh结尾的词加es。eg:busbuses公共汽车;watchwatches手表以o结尾的词加s或es。eg:photophotos照片;tomatotomatoes土豆以辅音字母加y结尾的,将y变i,再加es。eg:familyfamilies家庭以f或fe结尾的单词,将f或fe变为v,再加es。eg:leafleaves叶子;knifeknives刀子一去:即名词前不定冠词a/an要去掉。eg:This is a ruler.这是一把尺子。These are rulers.这些是尺子。一坚持:即原句中的形容词、定冠词the、副词、介词短语等保持不变。eg:What color
7、is the jacket?这件夹克衫是什么颜色?What color are the jackets?这些夹克衫是什么颜色?二、Who引导的特殊疑问句Who引导的特殊疑问句通常用来询问人的身份。常用句型“Who is人称代词主格单数?/Who are人称代词主格复数?”。【注意】其回答形式应为“人称代词主格is/are.”,不能回答为“It is/This is/That is/These are/Those are.”。v 语法专练一、语法填空。1These are my _(friend)2Who _(be) these girls?3Its _(she) bike.4 _(That)
8、two boys are David and Dale.5Are _(this) girls your friends?6Is _(he) father a teacher?7She and I _(be) good friends.8. Your fathers parents are your _(grandparent)9This is _(I) sister.10.Who are _(it)?二、按要求完成句子。11That is my pen.(改为一般疑问句并作否定回答)_your pen?No,_12These are his rulers.(改为一般疑问句并作肯定回答)_his
9、 rulers?Yes,_13Theyre my sisters.(改为单数句)_my _14That is a black key.(改为复数句)_black _15Are those jackets?(改为单数句)_that_?16Those are my_parents(对画线部分提问)_those?17She is her_mother(对画线部分提问)_she?18他们是谁?他们是我的朋友_my _19这些是你的父母吗?_your parents?20那是我的哥哥托尼。_my brother Tony.三、改错( )1. Whats(A) you(B) name? My(C) nam
10、e is(D) Bob. ( )2. This(A) is(B) My(C) pencil case(D). ( )3. “Whats(A) that(B) in English?” -“Its(C) a(D) eraser.” ( )4. Hello(A)! Im(B) Smith Kate(C), Im nine(D). ( )5. “Is(A) this(B) your(C) pencil sharpener?” -“No, it is(D).”四、 单项选择1. “Is this map?” “No, it isnt. Its English book.”A. an; a B. an;
11、 / C. a; / D. a; an2. “Is that a ruler?” “Yes; .”A. it isnt B. it is C. that is D. its3. name is Mike, he is a good .A. His; boy B. Her; girl C. My; girl D. My; boy4. Gina. This is book.A. Im; my B. Im; an C. Shes; his D. Hes; her5. Tom and I good friends(朋友). He nine.A. are; is B. am; is C. is; are D. are; are6. “Your watch is very nice(漂亮).” “ .”A. No, it isnt B. Yes, it is C. Thank you D. Sorry(对不起)7. Please call me 8327056. A. at B. in C. of D. /