外研版（三年级起点）小学英语 六年级下册 一般现在时 讲解课件(共21张PPT)

(共21张PPT)
什么是一般现在时？
一般现在时是表示经常反复发生的动作
和存在的状态或习惯性动作的时态。
一般现在时
一般现在时的结构是什么呢？
句式结构：主语+行为动词（动词原形或动词第三人称单数）+其他成分
主语+be动词（is, am, are）+其他成分
一般现在时的结构
Tom likes playing basketball.
主语
谓语
Tom is a good boy.
主语
谓语
一般现在时的用法
1.一般现在时的基本用法
2. be动词的变化
3.行为动词的变化
1.表示经常性或习惯性的动作或行为。常与always，usually, often,
sometimes, every day连用。如：
He often gets up early. She goes home on foot every day.
2. 表示现在的状态、能力、性格、个性。如：
His father is a doctor.
Lin Yan dances well.
3. 客观事实或普遍真理。如：The sun rises in the east.
1.一般现在时的基本用法
2.be动词的变化
① be动词随人称的改变；
I _______ a student.
You _______ a student.
He/she _______ a student.
It______ a cat.
We ________ good friends.
They ________ good friends.
小试牛刀
am
are
is
is
are
are
2.be动词的变化
① be动词随
人称的改变；
Sam_______ a student.
There _______ two students in the classrrom.
There _______ some milk in the cup.
There______ three pears.
My father ________ a doctors.
Your grandma ________ a nurse.
小试牛刀
is
are
is
are
is
is
.
② 一般疑问句+肯定回答或否定回答；
句子结构：Be+主语+其他？
例子: Are you a student?
Yes, I am / No, I’m not.

He is my English teacher.(变为一般疑问句)

____________________________________
Is he your English teacher?
2.be动词的变化
③ 否定句；句子结构： 主语+ be + not +其他
例子: He is not a worker.
He is my good friend .(变为否定句)
____________________________________
I am a clever boy.(变为一般疑问句)
____________________________________
I am a clever boy.(变为否定句)
___________________________________
He isn't my good friend.
Are you a clever boy?
_I am not a clever boy.
填空题
1.Here______ a pencil on the desk.
2.Here______ my books.
3.These _____ our crayons.
4.That ______ a cap.
5.Those ______ dogs.
6.This _______ our school.
7.There _____ an apple.
8.There______ grapes in the fridge.
：用is/are填空
is
are
are
is
are
is
is
are

1.Here is a pencil on the desk.(改成否定句)
______________________________________
2.Here are my books.（改成否定句）
______________________________________
3.These are our crayons.（改成一般疑问句）
______________________________________
4.That is a cap.（改成一般疑问句）
______________________________________
5.Those are Lily's dogs.（改成一般疑问句）
_______________________________________

Here isn't a pencil on the desk.
Here aren't my books.
Are these your crayons?
Is that a cap?
Are those Lily's dogs?
6.This is our school.（改成否定句）
___________________________________________
7.There is an apple.（改成否定句）
___________________________________________
8.There is some milk in the fridge.（改成一般疑问句）
_____________________________________________
This isn't our school.
There isn't an apple.
There isn't any milk in the fridge.
3.行为动词的变化
① 当主语为第三人称单数时，谓语动词要变成相应的单数形式；
My sister often goes to school by bus.
Mary always watches TV at eight.
条件 变化方法 例词
一般情况下 直接加-s Likes, asks, begins
以ch, sh, s, x 或o结尾的词 加-es does ,teaches, washes, guesses, goes
以“辅音字母+y”结尾的词 变y为i,再加-es try-tries carry-carries
fly-flies study-studies
Her father_______(listen) to the radio every day.
2. Mark_______ (study) in a middle school.
3. She______(take) Eddie for a walk after supper.
4. He_______(wash) clothes with his hands.
5. Nancy ______ (pass) the ball to Daniel.
6. Mr Li_______ (teach) Chinese
7. Look at the animal, it ____ (have)four legs.
listens
studies
takes
washes
passes
teaches
has
3.行为动词的变化
③一般现在时的否定结构。
句子结构：主语+don’t/ doesn’t +谓语+其他成分。如：
We go to cinema at night.（变为否定句）
We don’t go to cinema at night.
He has lunch at home. (变为否定句)
He doesn’t have lunch at home.


Exercise
3.行为动词的变化
②一般疑问句+肯定回答和否定回答；
句子结构： Do/ Does + 主语 +谓语（动词原形）+其他成分？
My mother works in a hospital.(变为一般疑问句)
Does your mother work in a hospital?
Yes, she does; No, she doesn’t.
首先在没有be动词, 情态动词的条件下, 我们需要根据人称借助一个助动词，
然后把谓语动词还原，如这道题的works还原为work. (有借有还)
1. Jason _______(play) basketball on Monday.
He ___________(not play) football on Friday.
2. I _______(go) swimming on Sunday.
But I___________ (not go) shopping.
3. My cousins _______(like) computer games.
But they __________(not like) ball games.
4. You _______(like) fish. But he ___________(not like) fish.
plays
doesn't play
go
don't go
like
don't like
like
doesn't like
Exercise
1.He often______(do) his lessons after supper.
2.He_____(have) a lot of work to do.
3. Three times four______(be) twelve.
4. Miss Li often______ the children stories.
Speaks B. talks C. tells D. says
5. The two shirts ______ the same.
A. looking B. looks C. / D. look
does
has
is
C
D
1.Tom_______ to school.
A.walk B.walking C.walks
2.Lucy _______ her homework at night.
A.does B.doing C.do
3.My sister doesn't _______swimming.
A.like B.likes C.liking
4.____They _______ shopping on Monday
A.Does; go B.Do;goes C.Do;go
5.______Tom often _______ tennis.
A.Do;play B.Does; play C.Does;plays
C
A
A
C
B

1.Linda always watches TV on Saturday.(改成否定句)
______________________________________
2.My mother drinks coffee in the afternoon.（改成否定句）
______________________________________
3.Lily often listen to music at weekend.（改成一般疑问句）
______________________________________
4.Her father works in the hospital.（改成一般疑问句）
______________________________________
5.I go swimming in the afternoon（改成一般疑问句）
_______________________________________

Linda always doesn't watch TV on Saturday
My mother doesn't drink coffee in the afternoon.
Does Lily often listen to music at weekend?
Does her father work in the hospital?
I don't go swimming in the afternoon.
Thank You !