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1、1 七年级上册英语语法知识及习题 定冠词的用法 1) 用于指谈话双方都知道的人或事物 Open the door, please. 请把门打开。 2) 用以复述上文提过的人或事物（第一次提到用“a或 an”，以后再次提到用“ the）” I have a pencil , the pencil is green . 我有一支铅笔，这支铅笔是绿色的。 3) 用在序数词前 January is the first month of the year. 一月份是一年当中的第一个月。 4) 表示世界上宇宙中独一无二的事物 the sun 太阳the moon 月亮the earth 地球 5) 表示演
2、奏乐器时，乐器的前面要加the play the piano 弹钢琴play the violin拉小提琴 the sky天空the world世界 零冠词的用法 52. 专有名词前一般不加冠词 Tom 汤姆China 中国Europe 欧洲 2) 月份、周日、节日前一般不加冠词 January 一月份Sunday 星期日 National Day国庆节May Day Christmas Day 劳动节 圣诞节Thanksgiving感恩节 比较：.on a Sunday morning.在一个星期天的早晨 3）三餐、四季前一般不加冠词 I have lunch at school.我在学校吃
3、午餐。 .（表示某一个。） 4）球类运动不加冠词 play basketball 打篮球play volleyball打排球play football踢足球 时态概说 在英语中，不同时间发生的动作或存在的状态，要用不同的动词形式来表示，这种动词的 不同形式称为时态。 I am 14 this year. 今年我 14 岁。I was 13 last year. 去年我 13 岁。 He plays soccer every day.他每天都踢足球。He played soccer yesterday.昨天他踢足球了。 英语中共有16 种时态，常用的有9 种。 一般现在时 一般现在时表示现在的状
4、态，如：He is 12.She is at home. 表示经常的或习惯性的动作，如： I go to school at 7:30 every day. 表示主语具备的性格和能力等，如：She likes apples. They know English. 动词的种类 动词分为四种：连系动词, 实义动词 , 助动词 , 情态动词 1）连系动词：词义不完全，要和后面的表语一块构成谓语。 1)be (am, is are) 是， sound 听起来， look 看起来 She is my sister. That sounds interesting .听起来很有趣。 2）实义动词，有实际意
5、义的动词，能单独做谓语。如see, ask, like I like bananas. 3）助动词：本身没有词义，帮助实义动词一起构成否定句，疑问句。如 I don tlike chicken . do，does 2 Does he like apples ? 4）情态动词；本身具有一定意义，但不能单独作谓语，必须和实义动词一起构成谓语。 can, 能，会， must , 必须，情态动词后一定要用动词原形。 I can speak English . I must find it .我一定要找到它 动词 be 的用法 be 的用法口诀 我用 am，你用 are， is 连着他，她，它； 单数名
6、词用is，复数名词全用are。 变疑问，往前提，句末问号莫丢弃。 变否定，更容易，be 后 not 莫忘记。 疑问否定任你变，句首大写莫迟疑。 Be 动词专项练习用 am, is, are填空： 1.I _ a student. _ you a student? No, I _ not. 2. The girl_ Jacks sister. 3. The dog _ tall and fat. 4. The man _ a teacher. 5. _ your brother in the classroom? 6. Where _ your mother? She _ at home. 7.
7、 How _ your father? 8. Jane and Tom _ my friends 9.Where _ my pen ? 10.Where _ my books ? 11. That _ my red skirt. 12. Who _ I? 13. The jeans _ on the desk. 14. Here _ a photo of my family . 15. Here _ some sweaters for you. 16. The black book _ for Su Yang. 17. This pair of socks_ 20 dollars. 18. T
8、he two cups of milk _ for me. 19. Some tea _ in the glass. 20. How much _ the skirt? 21 How much _ the trousers ? 22.My sisters name _Nancy. 23. _ David and Helen from England? 24. There _ a girl in the room. 25. You, he and I _ from China. 句型转换的方法 一.肯定句变否定句 1.句子中有be，在 be 后加 not。 ) I am a student. I
9、 am not a student. 3 2) They are blue . They aren tblue. 3) He is Tom. He isn tTom 2.谓语是动词原形，在动词前加don t。 ) I have a book . I don thave a book. 2) They like Chinese . They don tlike Chinese. 3) We come from China. We don tcome from China. 3 谓语动词是第三人称单数，在动词前加doesn t，动词用原形。 1)She has a basketball. She
10、doesn thave a basketball 2)Maria likes China. Maria doesn tlike China. 3)Jane comes from the U.S.A. Jane doesn tcome from the U.S.A. 练习：将下列句子变成否定句。 1.I am a teacher. I _ a teacher. 2.We are students. We _ students. 3.Jane is a girl. Jane _ a girl. 4.They like English. They _ like Chinese I come from
11、 China. I _ come from China. He likes Chinese. He_ like Chinese. Maria comes from Cuba. Maria_ come from Cuba. We know Maria. We _ know Maria 10.肯定句变一般疑问句 句子中有 be，把 be 提到句首 I am a student. Are you a student? They are blue. Are they blue? He is Tom. Is he Tom? 2.谓语是动词原形，在句首加do。 1).I have a book . Do
12、you have a book? 阀? ? ? N ? 2? ? & 褀k ? hey like Chinese . Do they like Chinese? 阀? ? ? N ? 2? ? & 褀k ? e come from China. Do you come from China? 3.谓语动词是第三人称单数，在句首加Does ，动词用原形。 如She has a basketball . Does she have a basketball? 如 Maria likes China. Does Maria like China? 如 Jane comes from the U.S.
13、A. Does Jane come from the U.S.A? 如 She knows Maria. Does she know Maria? 练习 :将下列句子变成一般疑问句。 1. I am a teacher._ _ a teacher? 2. They are students. _ _ students? 3. Jane is a girl. _ _ a girl? 4. They like English. _ they like English? 5. I come from China. _ you come from China? 6. He likes Chinese.
14、_ he_ Chinese? 7. Maria comes from America. _ Maria _ from America? 8. We speak Chinese. _ you_ Chinese? 4 三.一般疑问句做肯定,否定回答 1.Are you Maria ? 肯定回答： Yes , Iam. 否定回答： No, I m not. 2.问句和答语的动词保持一致. 1) Are you a student? 肯 : Yes, I am.否： No, I otm. n 2) Is he Jack ? 肯： _.否： _. 3) Do they like Chinese? 肯： _.否： _. 4) Does she have a basketball ? 肯： _.否： _. 3.问句和答语中的主语保持一致。（必须用主格） 1) Is Jane from the U.S.A? 肯 :Yes, she is.否 :No ， she isn t. 2) Does Li Hua come from China? 肯： _.否： _. 3) Do Jane and Maria like China? 肯： _.否： _. 4) Is this a ruler? 肯： _.否： _. 5) Is that a desk? 肯： _.否： _
