牛津译林版8A unit2 School life Grammar 一般现在时

(共21张PPT)
Grammar
一般现在时
(Simple Present Tense )
一般现在时的用法
My hair is long.
★ 表示现在存在的状态。
I am a teacher. You are students.
Simon often plays football after class.
★表示经常性、习惯性的动作。
Cats eat fish.
★ 表示客观事实或普遍真理。
一般现在时用法小结
英语句子的时态是指句中谓语动词在不同的时间和状况下所使用的某种动词形式。
一. 当我们谈论以下几种情况时,用一般现在时：
1. 表示现在存在的状态;
2. 表示经常性、习惯性的动作;
3. 表示客观事实或普遍真理。
例句：
1. I am a teacher.
2. You are students.
3. We are good friends.
4. They are on the football field.
5. Simon and Sandy are classmates.
6. He is a polite and helpful boy.
7. She is tall and slim.
8. It is an e-dog.
9. Her hair is long.
“ be ”动词的一般现在时形式有三种：am, is , are。
你能自己总结吗？
人称 to be 形式
happy.
I
You/We/They
He/She/It
am
are
is
缩写形式：I’m
You’re/We’re/They’re
He’s/She’s/It’s
用法口诀：
“我(I)”用am ,
“你(you)”用are,
“is用于“他(he)”、“她(she)”、“它(it)”,
复数人称都用“are”。
Exercises:
I _______ an English teacher.
We _______ in the classroom.
Our school _______ big.
You ______ middle school students.
These flowers _______ over there.
Eddie _______ a dog.
Your brother _______ in Class 2, Grade 3.
Your classmates ______ on the playground now.
are
is
are
is
am
are
is
are
I am a teacher.
I am not a student.
Our school is big.
Our school is not small.
We are in the classroom.
we are not in the park.
“ be ”动词的一般现在时的否定形式：am, is , are + not
你能自己总结吗？
人称 to be 形式
happy.
I
You/We/They
He/She/It
am not
are not
is not
缩写形式：are not = aren’t
is not = isn’t
am not 没有缩写形式
Exercises: （写出be动词的否定形式）
I _______ a middle school student.
You _______ 22 years old.
The little girl _______ very tall.
We ______ from the USA.
These boys _______ your classmates.
Eddie _______ an e-dog.
are not
are not
is not
am not
are not
is not
Is Eddie an e-dog
Yes, it is. / No, it isn’t.
I happy
you/we /they
he/she /it
Am
Are
Is
Yes, I
you/we /they
he/she /it
am
are
is
Yes, I
you/we /they
he/she /it
am not
are not
is not
例句:
(一) 一般疑问句及其肯定回答和否定
回答
1. Am I the first
Yes, you are.
No, you aren’t.
2. Are you good at swimming
Yes, I am. / Yes, we are.
No, I’m not. / No, we aren’t.
3. Is Simon tall
Yes, he is.
No, he isn’t.
巩固练习
将下列句子变成
(1)一般疑问句并作肯定和否定回答;
(2)变成否定句。
We are good friends.
(1) Are you good friends
Yes, we are. / No, we aren’t.
(2) We aren’t good friends.
Simon and Sandy are classmates.
(1) Are Simon and Sandy classmates
Yes, they are. / No, they aren’t.
(2) Simon and Sandy aren’t classmates.
Her hair is long.
(1) Is her hair long
Yes, it is. / No, it isn’t.
(2) Her hair isn’t long.
1. Remember the use ‘ to be ’ in the simple present tense.
2. Preview the next part of the simple present tense.
Homework