一般现在时一般过去时教学课件.ppt

Revision lesson:
The Simple Present Tense
一般现在时
The Simple Past Tense 一般过去时
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The Simple Present Tense
一般现在时
The Simple Past Tense 一般过去时
定义
1、表达经常性或习惯性的动作。
2、表示现在的状态。
1、表示过去某个时间发生的动作或存在的状态。
2、表示过去经常或反复发生的动作
例句
We go to school from Monday to Friday.
She likes smiling.
He is sick now.
I bought a computer last week.
There was a bridge over the river before.
We walked to school last year.
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The Simple Present Tense
一般现在时
The Simple Past Tense
一般过去时
标志性字词
always，usually， often ,sometimes，never,
yesterday 昨 天
a week ago 一周之前
last month 去年
in 2008
形式
三单+三单形式
She is…
He works….
其他主语+动词原形
They are…
They work….
任何主语+动词过去式
She was….
She
I worked…..
They
Tom
……
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第三人称单数he， she , it , their brother, my mother, this cat, Mary,.
第三人称单数形式：
1. be-is
2. work-works like－likes
3 watch-watches
wash-washes
pass-passes
do-does
－studies
以ch,sh,s,x以及部分o结尾的词，+“es”
一般动词词尾后+“s”
以辅音字母加y结尾，将y改为i,再加“es”
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The Simple Present Tense
一般现在时
The Simple Past Tense 一般过去时
标志性字词
always，usually， often ,sometimes，never,
yesterday 昨 天
aweek ago 一周之前
last month 去年
in 2008
形式
三单+三单形式
She is…
He works….
其他主语+动词原形
They are…
They work….
任何主语+动词过去式
She was….
She
I worked…..
They
Tom
……
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The Simple Present Tense
一般现在时
The Simple Past Tense 一般过去时
否定
She isn’t an engineer.
She doesn’t work there.
Tom and Jim don’t like sports.
She wasn’t an accountant before.
She didn’t clean the room yesterday afternoon.
疑问句
Is she an engineer?
(Yes,she is./No, she isn’t.)
Does she work there?
(Yes,she does. /No,she do