(共19张PPT)
Welcome to my class
Let's enjoy an english song
一般现在时
The Simple Present Tense
学习
目标
掌握一般现在时用法和标志词
掌握一般现在时结构
掌握一般现在时动词三单形式变化规则
一般现在时的用法
1.表示现在所处的状态：
e.g. I am twelve.
He is a student.
2.表示经常性或习惯性的动作：
e.g. I get up at 6:30 every day.
She reads English every morning.
一般现在时的用法
3.用在以if,unless,as soon as等引导的时间和条件状语从句中，用一般现在时表示将来。
eg.Unless it rains,the game will be played.
4.表示客观真理或自然现象：
eg. The earth moves around the sun.
一般现在时的标志词
频率
副
词
every 系列
day
year
month
week
morning
afternoon
evening
Monday
always
usually
often
sometimes
seldom
hardly
never
Task 1 以下哪些句子是一般现在时？
He usually gets up at six every day.
Sometimes I play basketball after school.
My mother will go to Beijing tomorrow.
My mother went to Beijing last year.
一般现在时的结构
1.含be动词的一般现在时
肯定句：主语+be(am/is/are)+其他.
否定句：主语+be（am/is/are)+ not+其他.
一般疑问句：Be（Is/Are)+主语+其他
I am a student.
Are you a student
I am not a student.
My mother is a doctor. （变为否定句）
I am good at English.(变为一般疑问句)
There are many apples and pears.(变为否定句）
Task 2 按要求改写句子
My mother isn't a doctor.
Are you good at English
There aren't many apples or pears.
2.含实义动词的一般现在时
肯定句：主语+实义动词+其他.
否定句：主语+do/does + not+动词原形 +其他.
一般疑问句：Do/Does +主语+动词原形+其他？
We have some apples.
We don't have any apples.
Mike has some apples.
Does Mike have any apples
去y加ies
C
末尾加es
B
末尾加s
A
Task3 以下动词变三单形式属于哪一种？
guess
特殊
D
stay
go
do
have
like
carry
try
cook
study
watch
fix
动词的三单形式的变化规则
一般情况下直接加s：
like-likes cook-cooks play-plays
2. 以s,x,o,ch,sh结尾的动词,加es:
watch-watches wash-washes go-goes do-does
3. 以辅音字母加y结尾的动词,把y改为i,再加es
4. 特殊情况：have-has
如：study-studies try-tries carry-carries
Task 4 用所给词的适当形式填空
1. Lucy often ______(play) on the playground at weekends.
2. David always______(watch) TV after finishing his homework.
3.Danny __________(study) English, Chinese, math and art at school every day.
plays
Do
looks
brush
studies
watches
Sum up
一般现在时
用法
1.表示现在所处的状态
2.表示经常性或习惯性的动作
3.if,unless,as soon as
4.表示普遍真理和客观规律
标志词
频度副词&every系列
结构
1.含be动词的一般现在时
2.含实意动词的一般现在时
动词三单变化规则
1.一般情况下直接加s
2. 以s,x,o,ch,sh结尾的动词,加es
3. 以辅音字母加y结尾的动词,把y改为i,再加es
Task 5 实战演练
1,I often _______at the park because I love the clean
air and sunshine.
A. exercise B. exercised
C. was exercising D. will exercise
2,We all know that the sun______in the east and sets in the west.
A. will rise B. rises
C. rose D. is rising
Do
brush
Task 5 实战演练
3.You will be healthier than before if you ______ less meat and more vegetables.
A. are eating B. eat
C. will eat D. have eaten
4.Xiao Ming never ________ home on foot. She often takes the subway.
A. go to B. goes to
C. walks D. goes
Do
brush
Thank you
