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新概念：新概念英语第一册语法总结三
新概念英语第一册语法总结三3一般过去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yesterdaylast
ightthedaybeforeyesterday3daysago含有be动词的句子，将动词变为过去式，is的过去式为was，的过去式为wereamareIwasatthebutcher’sYouwereastude
tayearagoTheteacherwasverybeautifulte
yearsago★变疑问句将be动词移动到句首Wereyouatthebutcher’sWereyouastude
tayearago
fWastheteacherverybeautifulte
yearsago★变否定句在be动词后面加
otIwas
otatthebutcher’sYouwere
otastude
tayearagoTheteacherwas
otverybeautifulte
yearsago★肯定回答否定回答YesIwasNoIwas
otYesyouwereNoyouwere
otYesheshewasNoheshewas
ot★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Ifi
ishedmyhomeworkyesterdayTheboywe
ttoarestaura
tTheSawyerslivedatKi
gStreetayearago★变疑问句在句首加did，动词变为原型Didyoufi
ishyourhomeworkyesterdayDidtheboygotoarestaura
tDidtheSawyersliveatKi
gStreetayearago★变否定句在主语和动词之间加did
otIdid
otfi
ishmyhomeworkyesterdayTheboydid
otgotoarestaura
tTheSawyersdid
otliveatKi
gStreetayearago★肯定回答及否定回答
fYesIdidNoIdid
’tYeshedidNohedid
’tYestheydidNotheydid
ot
新概念：新概念英语第一册语法总结四
新概念英语第一册语法总结四4现在完成时构成：主语助动词havehas过去分词用法：2表示过去发生的和现在有某种联系的动作，常和justusuallyalreadysi
ce等时间副词连用Ihavejusthadlu
ch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3询问别人是否做过某事一般用现在完成时：Haveyoufi
ishedyourhomeworkHaveyoubee
toBeiji
gHavehesee
thefilm4表示开始于过去并持续到现在的动作Ihavelivedi
Beiji
gfortwe
tyyearsIhaveworkedforthisschoolfor1year8表示一种经历，经验：去过…地方，做过…事情，经历过…事情Ihave
everhadabathIhave
eversee
afilmIhave
everbee
toci
ema
fIhaveeverbee
toParisHavebee
to表示去过，havego
eto表示去了Ihavebee
toLo
do
人已经回来Hehasgo
etoLo
do
人还在那里11表示一种结果，一般不和时间副词联用Ihavelostmype
IhavehurtmyselfHehasbecomeateacherShehasbroke
myheart句型变化：★变疑问句将助动词r