文档介绍：-
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新概念一语法总结〔上〕
ing"
Whatisthedogdoing"
(必背)
没有进展时的动词
表示状态，思想，感情和感觉的动词不能表示正在进展的动作
，感官的词
see,hear,like,love,want,
,has当〞拥有〞讲时没有进展时
表示过去发生的动作或事件，常和表示过去的时间状语连用，如yesterday,lastnight,thedaybeforeyesterday,3daysago,
含有be动词的句子，将动词变为过去式，am,is的过去式为was，are的过去式为were
Iwasatthebutcher’s.
Youwereastudentayearago.
Theteacherwasverybeautifultenyearsago.
*变疑问句将be动词移动到句首
Wereyouatthebutcher’s"
Wereyouastudentayearago"
Wastheteacherverybeautifultenyearsago"
*变否认句在be动词后面加not
Iwasnotatthebutcher’s.
Youwerenotastudentayearago.
Theteacherwasnotverybeautifultenyearsago.
*肯定答复否认答复
Yes,,Iwasnot.
Yes,,youwerenot.
Yes,he/,he/shewasnot.
*特殊疑问句：
Whatdidyoudo"
(必背)
不含有be动词的句子，将动词变为过去式，动词过去式构成见附录
Ifinishedmyhomeworkyesterday.
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Theboywenttoarestaurant.
TheSawyerslivedatKingStreetayearago.
KingStreetayearago.
*变疑问句在句首加did，动词变为原型
Didyoufinishyourhomeworkyesterday"
Didtheboygotoarestaurant"
DidtheSawyersliveatKingStreetayearago"
KingStreetayearago"
*变否认句在主语和动词之间加didnot
Ididnotfinishmyhomeworkyesterday.
Theboydidnotgotoarestaurant.
TheSawyersdidnotliveatKingStreetayearago.
KingStreetayearago.
*肯定答复及否认答复
Yes,,Ididn’t.
Yes,,hedidn’t.
Yes,,theydidnot.
构成：主语+助动词have,has+过去分词
用法：
1)表示过去发生的和现在有*种联系的动作，常和just,usually,already,since等时间副词连用
Ihavejusthadlunch.(饱了，不用再吃了)
Hehashadacupoftea.〔不渴了，不用再喝〕
Theyhavealreadyhadtheirholiday.〔不能再度假了〕
Theboyhasalreadyreadthebook.〔已经知道书的内容了，不用再看了〕
2)询问别人是否做过*事一般用现在完成时：
Haveyoufinishedyourhomework"
HaveyoubeentoBeijing"
Haveheseenthefilm"
3)表示开场于过去并持续到现在的动作
IhavelivedinBeijingfortwentyyears.
Ihaveworkedforthisschoolfor1year.
4)表示一种经历，经历：去过…地方，做过…事情，经历过…事情
Ihaveneverhadabath.
Ihaveneverseenafilm.
Ihaveneverbeentocinema.
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