中考英语语法专项复习之一般现在时课件(共28张PPT)

(共28张PPT)
一般现在时
初中英语人教版七年级上册第四单元
概念与用法
动词变化规则
随堂练习
课后总结
课后作业
目录
CONTENTS
01
02
03
04
05
概念与用法
Part. one
句子的时态是指在不同时间里发生的动作或存在的状态，要用动词的不同形式表示出来。
1、这种时态的用法。
2、这种时态的构成。
时态概念
注意两要点
概念与用法
01
I walk to school every day.
I listen to music every day.
看一看
概念与用法
01
My hair is long.
Tom plays football every day.
Cats eat fish.
一般现在时的用法
概念与用法
01
表示现在存在的状态
表示经常性，习惯性的动作
表示客观事实或普遍真理
一般现在时态经常与often，sometimes，always，usually等副词连用，也经常与every day, every week, every month, every term, every year, once a week，twice a year（一年两次）等时间状语连用。
She gets up early every morning.
她每天早上早起。
I go to see my grandmother every month.
我每个月都去看我的奶奶。
注 意
概念与用法
01
For example
动词三单
一般现在时的构成结构
概念与用法
01
Be动词
动词原形
Be动词的一般现在时的构成
I am a good person.
概念与用法
01
You are a good person.
He/She is a good person.
肯定变否定，be后加not
否定句结构变化
概念与用法
01
I am not a good person.
You are not a good person.
He/She is not a good person.
一般疑问句结构变化
肯定句变一般疑问句，只需将be动词提前
概念与用法
01
Are you a good person
Is she/he a good person.
行为动词
的一般现在时是怎么构成的呢？
1、I play football every day .
2、You play football every day .
3、My friends play football every day .
4、He plays football every day .
5、Tom plays football every day .
6、My brother plays football every day .
观察下列句子
概念与用法
01
当主语是第一人称、第二人称和复数时，谓语动词用原形；
当主语第三人称单数的时候，谓语动词后面加s/es;
概念与用法
01
小结论
谓语动词的单复数要和主语人称和数保持一致。当主语是第三人称单数时，谓语动词要变成三单的形式（即在动词后面加－s或者－es）。当主语是其他人称时，谓语动词用原形。
动词规则
概念与用法
01
一般动词后加-s。
like--likes
He likes playing basketball.
以s、x、ch、sh结尾，后加es。
以辅音字母+y结尾的单词，
变y为i，再加-es。
study--studies
He studies English very hard.
以辅音字母加o结尾，一般加-es
概念与用法
01
第三人称单数变化规则
1
2
4
do--does
She always does her homework on time.
3
watch--watches
My father watches TV every night.
动词三单现在式，一般词尾加-s。
s、x、ch、sh 连词尾，直接加上-es。
词尾若是字母o，考虑是否加-es。
辅音字母+y 来结尾，变y为i有道理，
-es后面紧跟随，大家一定看仔细。
动词第三人称单数变化的歌诀
概念与用法
01
动词变化规则
Part. two
肯定句结构
1、I play football every day .
2、My friends play football every day .
3、He plays football every day .
4、Tom plays football every day .
动词变化规则
02
否定句结构
“主语+don't/doesn't+动词原形+ ……”：
1、I don’t play football every day .
2、My friends don’t play football every day .
3、He doesn’t plays football every day .
4、Tom doesn’t plays football every day .
动词变化规则
02
1、Do you play football every day
2、Do your friends play football every day
3、Does he play football every day
4、Does Tom play football every day
一般疑问结构
“Do/Does+主语+动词原形+ …… ”：
动词变化规则
02
随堂练习
Part. three
一、用所给词的适当形式填空
1. The lion __________ ( not , eat ) grass. It likes _________ (eat) meat.
2.________ the snake ______ ( like ) fruits
3. My father _____ ( go ) to work at 8:00 every day.
He _____________ ( not , go ) to work on foot.
4. ______ Jack _______ ( have ) four classes in the morning
Yes, he ______ ( have ) four.
5. _____ you often ______ ( listen ) to music
No, I don’t. I like _________ ( play ) table tennis.
doesn't
eating
Does
like
goes
doesn’t go
Does
have
has
Do
listen
playing
We often read books after school. （用the girl做主语）
The girl often ______ books after school.
Playing the piano is my favourite. (变为同义句)
I ____________ the piano best.
We have an English lesson today. (变否定句)
We __________ an English lesson today.
We have science on Tuesday and Friday. (对划线部分提问)
When______ you _____ science
二、句型转换
reads
like playing
don’t have
do
have
课堂总结
Part. four
什么是时态呢？？？
一般现在时有几种用法呢？？？
时态的概念
一般现在时用法
动词变化规则
第三人称单数动词该怎么变呢？？？
课后作业
Part. five
改错题
1.Our English doesn’t likes music.
2. Tony goes always to school at eight o’clock.
3. Does your parents like watching TV
4. Lily haves lunch at school.
5. My sister doesn’t her homework every .