一般现在时教案
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2021年01月19日 23:28
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话务员是做什么的-时间就是把杀猪刀
一般现在时
一、
定义
(1)
表示经常发生或习惯性发生的动作时，用一般现在时态。
I often watch TV at home.
I usually get up at six .
I do my homework every night.
(2)
表示客观的事实，用一般现在时态。
There are seven days in a week.
The sky is blue
。
二、
特征词
——
一般现在时的好朋友
(1)
every+
时间
：
every day/ every week/ every month/ every year/ every morning/
every afternoon/ every evening…
(2)
频度副词：
always/ usually/ often/ sometimes/ rarely/ seldom /never
(3)
次数
：
一次
once
两次
twice
三次
three times
一周两次
twice a week
每周四次
four times a week
每周六
on Saturdays
每周日
on Sundays
三、一般现在时的构成
(1)
肯定句的结构
①
be
动词：主语
+be(am, is, are)+
其它。
I am a boy. He is happy.
②行为动词：主语
+
行为动词
(+
其它< br>)
。
We study English.
The boy plays basketball.
★
注意：
①当句子主语是
I, we, they, you
（第一、二人称）或复数名词时，动词用动词
形。
②
当句子的主语是
he, she, it
或单数名词（第三人称单数）时，动词要用第三人
称单数的现在式形态（在动词后面加
或
）。
Mary likes Chinese.
★
复习：
人称
单数
复数
第一人称
I
we
1 / 8
第二人称
you
第三人称
Hesheit
第三人称单数动词变化
一般动词后加
s
you
they
wears, reads, works, makes,
likes, laughs, buys
以
s, x, ch, sh
结尾
,
后加
es
watches, brushes, teaches
，
guesses, catches.
以辅音字母
+ o
结尾
,
一边加
es
辅音字母
+ y
结尾的单词
,
变
y
为
I,
加
es
特殊形式
goes, does
Worries, carries
have---has
★
课堂巩固操练（造句）
1: Tom
、
clean the room
2: A Cat
、
eat fish
3: Mary
、
watch TV
4: My mother
、
work in a factory
★
练习
1.
把下列人称归类
Tom, Jiamin, I , my father, you, they, my cousin, her daughter, our teacher, he, she, it,
your sister, his friend, his friends, their brother, their brothers, the cat, little dog, the
table, my bag
第一人称：
第二人称：
第三人称单数：
第三人称复数：
2.
选择适当的词填空
(1)
I ______(have, has) a beautiful toy bear.
(2)
They _____ (have, has ) some postcards.
(3)
Tim ______(have, has) a new basketball.
(4)
My sister ________(have, has) three green skirts.
(5)
I _________(like, likes) playing chess.
(6)
He _______(like, likes) listening to the radio.
（
2
）否定句的结构
①
be
动词：人称
+Be (am, is, are)
动词否定形式
+
其它
.
Be
动词的否定形式
2 / 8
肯定形式
am
is
are
否定形式
am not
is not
are not
缩写形式
isn’t
aren’t
e.g.
：
I am not a boy.
He isn’t happy.
②
行为动词：人称
+
助动词否定形式
+
行为动词（
+
其它）
第三人称单数一般现在时的否定形式
,
在行为动词前加
doesn’t (does not
).
e.g.
：
I gets up early.
I don’t get up early.
We don’t study English.
★
注意：一旦遇见
“doesn’t”
“do”
这两个词时，动词必须还原。
e.g. The girl likes eating fruits very much.
The girl
doesn’t like
eating fruits at all.
Does the girl like eating fruits?
★
课堂巩固操练
1: Tom
、
clean the room
2: A Cat
、
eat fish
3: Mary
、
watch TV
4: My mother
、
work in a factory
★
练习
——
考考你
把下面的句子改为否定形式：
He is a worker .
He often play basketball .
The students are happy everyday
。
I usually go to the zoo with my mother.
。
We spend two hours on our homework every night.
。
The cat looks lovely.
They dance after school.
（
3
）一般疑问句的结构
（一般疑问句读音升调）
①
Be
动词
+
主语
+
其它？
Yes,
主语
+Be
动词
No,
主语
+Be not.
E.g.: Are you Jim?
——
Yes,I am (
这里不能缩写
).
No,I’m Tom.
Is your father tall?
——
Yes
，
he is. No,
he isn’t.
②助动词（
dodoes
）
+
主语
+
动词原形（
+
其它）？
Yes,
主语
+dodoes. No,
主语
+dodoes not.
E.g.: Do you have a story book?
——
Yes,I do.
No,I don’t.
Does Lily go to school by bike? Yes,she does.
No,she doesn’t.
3 / 8
★
课堂巩固操练
He is in red.
——
Is he in red? Yes,....No,....
She is beautiful.
——
Is she beautiful? Yes,....No,....
She looks thin .
——
Does she look thin? Yes,....No,....
③如果主语是
this that,
回答时用
it
代替，如果问句中主语
these, those,
回答时用
they′
代替。
e.g. Is this your bag?
——
Yes ,it is. No,
it isn’t.
Are those oranges?
——
Yes, they are. No, they
aren’t.
★
课堂巩固操练
——
课堂现场情景句子转换
This is his book.
——
Is this his book? Yes,it is.
No,it isn’t.
That is a schoolbag.
——
Is that a schoolbag? Yes,it is.
No,it isn’t.
This one makes me happy .
——
Does this one make you happy? Yes,it does. No,it
doesn’t.
These are desks.
——
Are these desks? Yes,they are.
No,they aren’t.
④陈述句变一般疑问句应注意的事项
a.
如果陈述句中有第一人称，则变问句时最好要变为第二人称。
e.g.
：
I usually have lunch at school.
→Do you usually have lunch at school?
My father is playing soccer.
→Is your fath
er playing soccer?
b.
如果陈述句中有
some,
则变问句时往往要变成
any
。
e.g.
：
I have some friends in America.
→Do you have any friends in America?
★
课堂巩固操练
I listen to the music every Saturday.
We like
Tom & Jerry
.
I know some stories in this book.
★
小试牛刀
变一般疑问句并作肯定和否定回答。
wants a book.
2. Jimmy washes hands before dinner.
3. Lisa likes milk very much.
4. They walk to school.
5. Lingling and Dandan are 10 years old.
4 / 8