教案(讲义)：初一英语：一般现在时_(讲解和练习题).doc

动词和时态 一般现在时一、导入 老师，黑板擦完了 上课睡觉，数学课老师走过来敲桌子， 然后指指黑板，意思叫上去做题 。 我都没听我会个毛？往讲台上走，他在看我课本我心里那个纠结啊！ 突然灵光一闪 一会儿，我下来拍拍他的肩膀： 老师，黑板擦完了 全班那个笑啊，剩下他在风中凌乱 二、（1）专题讲解 专题1：动词和时态概述 实义动词（ 表示行为，动作的词，可以单独做谓语。） 连系动词（ be动词：am ， is ， are ） 动词主要分类 情态动词（ can ， may ，must ，need ） 助 动 词（ do ， does ） 时态定义：不同时间发生的动作或情况要用不同的形式表示，称为时态。主要表现在谓语动词的变化上。 一般现在时 一般过去时 重要时态 一般将来时 现在进行时 过去进行时 现在完成进行时专题2: 一般现在时 一般现在时1. 定义：表示经常、反复发生的动作或存在的状态。 2. 时间状语： always , usually , often , sometimes , every week (day, year, month) , on Sundays 等 3. 一般现在时的结构及句型变化 结构：一般现在时的结构主要有三种形式： 1. 结构一（谓语动词为be动词时） J 肯定句：主语+be(am ,is ,are)+其它. J 否定句：主语+be+not+其它. 一般疑问句：Be+主语+其它? e.g. He is a worker. e.g. They are in the classroom. He is not a worker. They arent in the classroom. Is he a worker? Are they in the classroom? Yes, he is. / No, he is not. Yes, they are. / No, they arent. 课堂练习：1.I am very happy today.（变否定句） _2. Tom is in the classroom.（变一般疑问句，并作否定回答） _2. 结构二（谓语动词为情态动词时） (注意：情态动词 can ， may ， must ，need 等等。） 肯定句：主语+情态动词+动词原形+其它. J 否定句：主语+情态动词+not+动词原形+其它. 一般疑问句：情态动词+主语+动词原形+其它? E.g. She can swim now. E.g. We can play football. She can not swim now. We can not play football. Can she swim now? Can you play footbal? Yes, she can. / No, she can not. Yes, we can. / No, we can not. 课堂练习：1.Lucy and Lily may go to Shanghai.（变一般疑问句） _ 2.-Can you speak Japanese? -No, I_. A. mustnt B. cant C. neednt D. may not 结构三（谓语动词为实义动词时） （1） .情况一 肯定句：主语（非第三人称单数）+动词原形+其它.J 否定句：主语（非第三人称单数）+ dont +动词原形+其它. 一般疑问句：Do+主语（非第三人称单数）+动词原形+其它？ E.g. They play basketball after school. They do not play basketball after school. Do they play basketball after school？ Yes, they do./No, they do not. E.g. I watch TV on Sundays. I dont watch TV on Sundays. Do you watch TV on Sundays? Yes, I do. / No, I do not. 课堂练习：1. I study every day. (改为一般疑问句，并作定回答) _ 2.They have many books. (改为否定句) _ 情况二 肯定句：主语（第三人称单数）+动词单三形式+其它.J 否定句：主语（第三人称单数）+ doesnt +动词原形+其它. 一般疑问句：Does+主语（第三人称单数）+动词原形+其它？ E.g.He goes to school at 7:00. He does not go to school at 7:00. Does he go to school at 7:00？Yes, he does ./No, he does not.E.g. The monkey eats a banana. The monkey doesnt eat a banana. Does the monkey eat a banana？ Yes, it does ./ No, it does not. 课堂练习：一、1.DoesPeterliketowatchTV? _. A.Yes,helike B.No,hedoesnt C.Yes,hedlike D.No,helikes 2.Shedoesnt_herhomeworkintheafternoon. A.doing B.todo C.does D.do 二、用动词的正确形式填空1.Theteacherisbusy.He_ (sleep)sixhoursaday. 2._yourbrother_ (know)Japanese ? 三、按要求作答1.Myfathercomesbackfromworkverylate.（变为否定句） _2.David has a new bag. （改为一般疑问句） _注：1.谓语动词为实义动词时，变否定句和一般疑问句需要找助动词do或does来帮忙，只有主语为单三形式时找does 。 2.前面出现了助动词，后面的动词一律用原形。 3.变一般疑问句时，一问一答的关系当中，第一人称和第二人称要相互交换。 4.一般疑问句回答时，“用什么问就用什么答”。 5.动词的第三人称单数形式（简称“单三形式” ） 变化规则： 1.一般情况下，词尾直接加s read - reads ， write - writes ， say - says ， work - works 2.以s, x, ch, sh, o结尾的词，词尾加es teach - teaches ， wash - washes ， guess - guesses ， go - goes 3.以“辅音字母+y”结尾的词，变y为i, 再加es try - tries ， carry - carries ， study- studies ， fly - flies （特殊：have - has） （2）变式练习 一.写出下列动词的第三人称单数 wash_ match _ guess_ study_ finish_ go_ snow_ carry_ talk_ forget_ hope_ stop_ perform_ play_ say_二.按要求改写句子 1.She is very tall. 2.I have 3 books . 否定句：_ 否定句：_ 一般疑问句：_ 一般疑问句：_ 肯/否回答：_ ； _ 肯/否回答：_ ； _四、巩固练习 一、用括号内动词的适当形式填空。 1. He often _(have) dinner at home. 2. Daniel and Tommy _(be) in Class One. 3. We _(not watch) TV on Monday. 4. Nick _(not go) to the zoo on Sunday. 5. _ they _(like) the World Cup? 6. The girl _(teach) us English on Sundays. 7. She and I _(take) a walk every evening. 8. Mike _(like) cooking. 二按要求改写句子 1. Daniel watches TV every evening.(改为否定) _ 2. She likes milk.(改为一般疑问句，并作肯定回答) _ 3. Amy likes playing computer games.(改为一般疑问句，并作否定回答) _ 当堂过手训练一写出下列动词的第三人称单数 (每题2分，共36分) stop_ shop_ plan_ get_ sit_ let_ cut_ run_ forget_ begin_ wash_ watch_ finish_ teach_ fish_ reach_ go_ do_二用所给词的适当形式填空 (每题2分，共12分) 1.The sun _rise in the east . 2.Class _begin at 7:30 in the morning. 3._ do your sister always ready to help others ? 4._ you _go to school by bus every day? 5.She usually _have rice and vegetables for supper. 6.The teacher _ not, like his students to do that. 三按要求答题(每题6分，共12分) 1. My dog runs fast. 否定句：_ 一般疑问句：_ 2. I play football on Friday. 一般疑问句: _否定回答: _3. He speaks English very well. (改为否定句) _4. She is always a good student. (改为一般疑问句，作肯定回答) _ 家庭作业 一.改写句子1.Do you often play football after school? (肯定回答) _ 2.I have many books. （改为否定句） _ 3.She lives in a small town near New York.（改为一般疑问句） _4.I watch TV every day. （改为一般疑问句） _二单项选择 1. The girl often _ cold when she _. A. cathesdances B. catches dances C. catchsdancees D. catches dance 2. _ he _ himself there? No, I dont think so. A.Doenjoy B. Does enjoies C. Does enjoys D. Doesenjoy 3. _ your mother _ some cleaning on Sundays? A. Doesdoes B. Dodoes C. Doesdo D. Do do 4.They usually _ TV on Sunday evening. A. watch B. watches C. watching D. is watching 5.MrsRead_thewindowseveryday. A.iscleaning B.clean C.cleans 6.Thetwinsusually_milkandbreadforbreakfast,butJim_somecoffeeforit. A.have / have B.have / has C.has / have 第8页