人教版七年级上册Unit 5 Do you have a soccer ball?一般现在时课件(共25张PPT)

(共25张PPT)
一般现在时
The Simple Present Tense
一般现在时
一般过去时
现在进行时
初中常用八种时态
过去进行时
过去将来时
一般将来时
现在完成时
过去完成时
目录
壹
定义及类型
（Definition&Classification）
贰
陈述句
（Declarative Sentence）
叁
疑问句
（Question Sentence）
肆
练习
（Exercises）
1. 定义：Definition
一般现在时
表示经常性、习惯性动作或现在存在的状态。
一般现在时定义及类型
壹
一般现在时的动词常与
often 经常，
usually 通常，
always 总是，
sometimes 有时，
every 每个，
at+具体时间，在几点钟
等连用。
2. 时间标志词:
现在经常和习惯性发生的动作，常与表示频率的时间状语连用。
目前或现在存在的状态或特征。
I go to school at 6 every morning.
They are very happy.
I am a student.
Summer follows spring.
Constant dripping wears away a stone.
客观存在及普遍真理
格言或警句中
3. 基本用法：
一般现在时定义及类型
Be 动词类(状态)
行为动词类(动作)
I am
He/she/it(单)+is
We/You/they(复)+are
主(复)+V(原)
They like pandas.
主(单)+V(单三)
He likes pandas.
壹
一般现在时
一般现在时陈述句基本结构
陈述句
1. Be 动词类(状态)：
肯定句： I am
He/she/it(单)+is
You/they/we+are
2. 行为动词类(动作)：
肯定句: I/you/we/they +V原形+其他.
（非单三主语）
He/she/it + Vs +其他.
（单三主语）
否定句：主语+don’t/ doesn’t + V原+其他.
否定句：I am not
He/she/it+ isn’t
You/they/we+ aren’t
贰
我
你
他
她
它
我们
你们
他/她/它们
I
you
he
she
it
we
you
they
非第三人称单数的主语是
Alex and I / we / I / my classmates
主语是复数
你还知道哪些？
谓语动词用原形
当主语是第三人称单数(如he/she/it/Mary/your friend/the desk)时，谓语动词要用第三人称单数形式,简称单三。即常在动词原形后加-s或-es，但也有特殊情况。例：
1.大多数动词在词尾加“s”在清辅音后发音为[s]，在浊辅音及元音后发音为 [z]
stop－stops [s] read－reads [z] play－plays [z]
2.以辅音字母加“y”结尾的，要先将“y”变为“i”，然后在加“es”读[iz]
fly－flies [z] carry－carries [z] study－studies [z]
3.以“s, x, ch, sh”结尾的，在词尾加“es”，发音为[iz]
teach－teaches [iz]; watch－watches [iz]
4.以“o”结尾的动词，加“es”，读[z]
go－goes [z] do－does [z]
将下列动词变成第三人称单数形式
come ______ go _______
stay _______ make _______
look _______ have _______
pass _______ carry _______
tell _______ watch _______
speak _______ fly _______
study _______ brush _______
do _______ teach _______
play _______ like _______
take _______ want _______
comes
stays
looks
passes
tells
speaks
studies
does
plays
takes
goes
makes
has
carries
watches
flies
brushes
teaches
likes
wants
陈述句结构总结：
肯定句式：Subject + verb（原）+ object.
+ Vs +object.
否定句式：Subject + don't + verb（原）+ object.
+ doesn't
疑问句
1.Be 动词类(状态)
疑问句： Am/Is/Are+主语+其他？
肯定回答： Yes, 主语+ am/is/are.
否定回答： No,主语＋am/is/are+not.
2. 行为动词类(动作)
疑问句： Do/Does+ 主语＋V原形+其他？
肯定回答： Yes, 主语+ do/does.
否定回答： No,主语＋don’t/doesn’t.
叁
一般现在时的肯定句变一般疑问句时，
把助动词do/does移到主语前面，谓语动词用原形。
当主语是I，we，you，they或是名词复数时，用do提问。
e.g. Do I have to do my homework
Do we have to go now
Do you like playing basketball
Do the students go to school on weekends
一般现在时的一般疑问句
当主语是he, she, it, 单数名词或是不可数名词时，用does提问。
e.g. Does he like apples
Does it like potatoes
Does the boy ride a bicycle to school
Does milk taste good
一般现在时的一般疑问句
动词一般现在时的疑问句式
（1）be 动词
（2） 动词
Am Is Are
+主语+其他
Do Does
(单三)
+主语+动词原形+其他
The Simple Present Tense
Your Turn!
肆
练习（Exercises）
用do或does提问
1._____ the class begin at 8 o’clock
2. _____Alex like going to school
3. _____Mary go to school
4. _____the children have lunch at school
5. _____they play basketball on the playground
Do
Does
Does
Does
Do
用do或does提问
6. _____ Tom play soccer at school
7. _____ John play the piano at school
8. _____ they go home after school
9. _____ Tom and Alex play basketball together
10. _____orange juice taste good
Does
Do
Does
Do
Does
将下列句子改为一般疑问句
1. Naomi teaches English.
2. She plays the piano.
3. We live in a big city.
4. My mother cooks well.
Does Naomi teach English
Does she play the piano
Do you live in a big city
Does your mother cook well
在一般疑问句的简短回答中，只使用助动词do/does。当主语是I，we，you，they或复数名词时，用助动词do。
1. Do you like playing soccer
Yes, I do.
2. Do the students go to school on weekends
No, they don’t.
3.当主语是he，she，it，单数名词或不可数名词时，用助动词does。
Does he eat bananas
Yes, he does.
一般现在时的一般疑问句及其肯定，否定回答
Sum up
What have we learnt today
1. 一般现在时用法
2. 陈述句
3. 疑问句
Thank you!