edaybeforeyesterday3daysago
含有be动词的句子，将动词变为过去式，amis的过去式为was，are的过去式为were
Iwasatthebutcher’s
Youwereastude
tayearago
Theteacherwasverybeautifulte
yearsago★变疑问句将be动词移动到句首
Wereyouatthebutcher’s
Wereyouastude
tayearago
Wastheteacherverybeautifulte
yearsago★变否定句在be动词后面加
ot
Iwas
otatthebutcher’s
Youwere
otastude
tayearago
Theteacherwas
otverybeautifulte
yearsago
f★肯定回答否定回答
YesIwasNoIwas
ot
YesyouwereNoyouwere
ot
YesheshewasNoheshewas
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
Ki
gStreetayearago
★变疑问句在句首加did，动词变为原型Didyoufi
ishyourhomeworkyesterdayDidtheboygotoarestaura
tDidtheSawyersliveatKi
gStreetayearago
Ki
gStreetayearago
★变否定句在主语和动词之间加did
otIdid
otfi
ishmyhomeworkyesterdayTheboydid
otgotoarestaura
tTheSawyersdid
otliveatKi
gStreetayearago
Ki
gStreetayearago
★肯定回答及否定回答
YesIdidNoIdid
’tYeshedidNohedid
’tYestheydidNotheydid
ot4现在完成时构成：主语助动词havehas过去分词用法：1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）2询问别人是否做过某事一般用现在完成时：Haveyoufi
ishedyourhomeworkHaveyoubee
toBeiji
gHavehesee
thefilm3表示开始于过去并持续到现在的动作Ihavelivedi
Beiji
gfortwe
tyyearsIhaveworkedforthisschoolfor1year4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
emaIhaveeverbee
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）
f5表示一种结果，一般不和时间副词联用
Ihavelostmype

Ihavehurtmyself
Hehasbecomeateacher
Shehasbroke
myheart句型变化：
★变疑问句将助动词移到句首，变否定句在助动词后面加
ot
egHaveyoulostyourpe
Ihave
otlostmype
★肯定回答及否定回答
YesIhaveNoIhave
ot★特殊疑问句：
Whathaveyoudo
e
Whathashedo
e一般过去时与现在完成时的区r