unit1重点语法小结仁爱版七年级上册英语.docx

Unit1 重点语法小结（一）be 动词用法口诀:我( I )用 am,你(you)用 are, Is 跟着他(he)她(she)它(it)，单数用is，复数用are.1.选择正确的be动词填空1）I _____ a student. （2）We _____ friends.（3）He _____ a good boy. （4）She ______ is my sister.（5）They _____ playing football. （6）You ______ my friend.一． 写出三个be动词: _____ _____ _____二． 口诀: 我(I)用_____, 你(you)用_____, is 跟着他( ) ,她( ) ,它( ),单数 is, 复数are,勿忘be的三变化 三． 用be动词(am, is, are) 填空:1. What ____ your name? My name _____ Tom.2. What ____ his name? His name ＿＿Kevin.3. What ____ your mom’s name? Her name ____ Lula.4. This _____ Jim, my teacher. 5. How _____ you? I ____ fine.6. How _____ he? He ____ OK.7. How _____ Nancy? She ____ fine, too.（二）a／an的用法及区别 a/an的用法以及区别用法：a 与 an 是不定冠词，译为“一（个；件....),只能用在单数可数名词前，表示一个或某一类人或事物。

区别：a用在元音因素开头的单数可数名词前，eg: a ruler, a box.... an用在元音因素开头的单数可数名词前，eg: an egg, an apple....练习：用a 或 an 填空A.） 1. ____class 2._____English book 3._____telephone 4.____student 5.____ egg 6. ______evening 7._____old box 8. ___desk 9. ____ umbrella 10.____ girl 11. ___ _boy 12. ___pear 13.____apple 14.____banana 15.____map B.）1. I am ___(a, an)student. 2.There is ____(a, an) elephant in the zoo. 2. 3.You are ____(a, an) good boy. 4.I have ____(a, an) orange. 5.Miss Grant is ____( a, an )ugly teacher. 6.This is _____(a ,an)new book. 7.Please take ____(a, an )umbrella. 8.Lucy is____(a, an )beautiful girl.9.My father is ____(a ,an) doctor. 10.There is _____(a,an) orange on the table. （三）可数名词单数变复数规则：规则： (1)一般可数名词的复数形式直接加-s。

例如book—books apple—applespencil—pencils bag—bags (2)以s, x，sh，ch结尾的名词后加-es例如： bus—buses box—boxes watch--watches(3) 以o结尾的词加es或加s.hero-heroes英雄；potato-potatoes 土豆； tomato-tomatoes 西红柿；photo-photos 相片；piano-pianos钢琴(4) 以f、fe结尾的名词，变f、fe为v+es.wife-wives(妻子); knife-knives（小刀）; wolf-wolves（狼）; thief-thieves（小偷）; shelf-shelves (架子)(5) 以y 结尾的，如果y前面是辅音，把y 改为i，再加-es，读[iz]； 如果y前面是元音，直接加s，读[z]辅音加y： story-stories city-cities family - families baby - babies 元音加y：boy -boys toy- toys key- keys 不规则：(1) 有些名词有不规则的复数形式man-men woman-women tooth-teeth（牙齿） foot-feet policeman-policemen mouse—mice 老鼠 child—children ox—oxen 公牛 (2 )有些名词的单复数形式相同deer- deer 鹿 sheep -sheep 绵羊fish-fish 鱼 Chinese-Chinese (3) 有些单数形式的名词具有复数的含义，要当作复数看待people 人们 police 警察 public 公众leaf________ puppy_________ box________ knife_______ fly______ fox______ bus______ bench________ brush_______ kiss_______ church_______ dish______ ruler________ peach________ glass_______ pencil________ boy_______ zoo______ man________ sheep_______ knife______ lady______ key_______ story______ watch______ bamboo______ city______ family_________ day_______ apple_______ eraser_______ speech________ thief_______ mouse________ fish_______ goose_______ people _________ ox________ Chinese ________ deer _______ foot_________ child_______ tooth_______ guy________ hero_______ spy______ boss_____ monkey_________ city ______ goat ________ radio ________ horse ________ dog ______（四）【链接】 what’s this/ that? 与what are these/those? 的区别； Is this/ that a(an)......? 与Are these/those......? 的区别; What are these/those? 是What’s this/ that? 的复数形式； Are these/those......? 是 Is this/ that a(an)......? 的复数形式。

[拓展]怎样把句子的单数形式变为复数形式？？主要遵循以下五步：（1） 主语this→these, that→those, I→we，he/she/it→they2） Be(am/is)→ are3） 把不定冠词 a/ an 去掉4） 疑问词，介词短语，物主代词不变5） 把单数名词变为复数名词如：1. What’s this in English?2. It is a book.3. He is a boy. 4. She is a girl.跟踪练习：单项选择:1. --Are these your pens?---- ______. They are her pens.A. Yes, it is. B. No, it isn’t. C. Yes, they are. D. No, they aren’t.2. ----What are those?----______are oranges.A. .These B.They C. It D. It’s3. ---- What are__________?-----_______are boxes.A. that;They B. these; They C.those; It4. --- Is this a telephone?----Yes,________.A. this is B.it is C.that is D.it’s5. ----Is that your pencil?-----______. It’s her pencil.A. Yes, it is. B. No, they aren’t. C. Yes, they are. D. No, it isn’t.6. --What’s this ____English?---It’s a car.A. to B.of C.in D.on 按要求完成句子。

1. Are these oranges? (作肯定回答）Yes,_______ __________.2. That is a box.(改为复数句）__________ __________ _____________.3. What are these in English?（改为单数句）_________ __________ in English?4. They are buses.(改为否定句）They________ _________.5. Those are erasers. (对划线部分提问）______ _________ those?7。