教案(讲义):初一英语:一般现在时 (讲解和练习题)
动词和时态
一般现在时
一、导入
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:
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
教案(讲义):初一英语:一般现在时 (讲解和练习题)
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
肯定句:主语+be(am ,is ,are)+其它.
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.
They aren’t in the classroom.
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)
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2.
(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.
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)
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教案(讲义):初一英语:一般现在时 (讲解和练习题)
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.
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)
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情况二
肯定句:主语(第三人称单数)+动词单三形式+其它.
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?
教案(讲义):初一英语:一般现在时 (讲解和练习题)
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:
教案(讲义):初一英语:一般现在时 (讲解和练习题)
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 …… 此处隐藏:4380字,全部文档内容请下载后查看。喜欢就下载吧 ……