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 aren’t in the classroom.
Is he a worker? Are they in the classroom?
Yes, he is. / No, he is not. Yes, they are. / No, they aren’t.
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. mustn't B. can't C. needn't 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）+ don’t +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 don’t 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）+ doesn’t +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 doesn’t eat a banana.
Does the monkey eat a banana？
Yes, it does ./ No, it does not.
课堂练习：
一、1. Does Peter like to watch TV? __________. 
A. Yes, he like B. No, he doesn’t
 C. Yes, he’d like D. No, he likes 
2. She doesn’t __________ her homework in the afternoon.
A. doing B. to do
C. does D. do 
二、用动词的正确形式填空
1. The teacher is busy. He __________  (sleep) six hours a day. 
2. __________ your brother __________ (know) Japanese ? 
三、按要求作答
1.My father comes back from work very late. （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. cathes…dances B. catches… dances
C. catchs…dancees D. catches… dance
2. _____ he ____ himself there? No, I dont think so.
A.Do…enjoy B. Does… enjoies
C. Does… enjoys D. Does…enjoy
3. _____ your mother _____ some cleaning on Sundays?
A. Does…does B. Do…does
C. Does…do D. Do… do
4.They usually _____ TV on Sunday evening.
A. watch B. watches
C. watching D. is watching
  5. Mrs Read _____ the windows every day.   
A. is cleaning    B. clean   
C. cleans 
6. The twins usually _____ milk and bread for breakfast, but Jim _____ some coffee for it. 
 A. have /  have    B. have /  has   
C. has /  have 

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