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英语学习笔记003(语法—be动词/一般动词的过去式)  

2012-08-24 16:15:45|  分类: 学习笔记 |  标签: |举报 |字号 订阅

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一、be动词的过去式:was/were

am/is——wasare——were

过去式be动词表示“过去时间中发生的状态”。

(现在式)1He is busy now.

(过去式)2He was busy then.

◆时间副词改变,动词也必须改变。

3My parents are at home now.

4My parents were at home yesterday.

 

be动词(过去式)的否定句——主词+was/were+not+

1Mr. Brown was a vet.

否定句:Mr. Brown was not a vet.

2Joe and Brian were in the living room at that time.

否定句:Joe and Brian were not in the living room at that time.

 

be动词(过去式)的疑问句——Was/Were+主词+

1Wendy was in the seventh grade last year.

(疑问句)Was Wendy in the seventh grade last year?

答句:Yes,主词+was/were.   No, 主词+was/were+not.

2Were you a pianist?

Yes, I was.  No, I was not.

 

二、一般动词的过去式

规则变化+ed

1、原形动词+edhelpedspelledwanted

2、原形动词字尾有e+dloveloveddancedanced

3、原形动词为子音+短母音+子音,重复字尾+edstoppedplanned

4、原形动词字尾为子音+y,去yiedstudystudiedcrycried

不规则变化:

eadatereadreadriderodecomecamegowent

havehadseesawteachtaughtgivegavetaketook

1I walk to school every day.

过去式:I walked to school yesterday.

2Mother goes to a supermarket every morning.

过去式:Mother went to a supermarket yesterday morning.

◆主词为第三人称单数时,过去式动词不需加s

 

一般动词(过去式)的否定句,需用助动词did

肯定句:主词+一般动词(过去式)+

否定句:主词+did not+动词原形+

1He called you last night.

否定句:He did not call you last night.

2My sister and I watched TV all day yesterday.

否定句:My sister and I didn’t watch TV all day yesterday.

 

一般动词的疑问句

肯定句:主词+一般动词(过去式)+

疑问句:Did+主词+动词原形+

1His friends went to that movie last week.

疑问句:Did his friends go to that movie last week?

2He did his homework.

Did he do his homework?

do/does/did1、一般动词,做;2、助动词(+动词原形)。

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