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Gr专题十四一般过去时一、一般过去时的用法1.发生在过去Iboughtabookyesterday.我昨天买了一本书。2.讲故事Longlongago,therewasaprincess.很久以前，有一位公主。3.过去经常发生Ioftenhadlunchathomelastyear.我去年经常在家吃午饭。★一般过去时的标志词yesterday昨天last...上个......ago...以前justnow刚刚longlongago很久很久以前WhenIwas3...当我三岁的时候二、一般过去时的构成1.主语+be（was,were）+其他eg.Iwasateachertwoyearsago.我两年前是一名老师。Theywerebabiestenyearsago.他们十年前是婴儿。2.主语+动词过去式+其他eg.Iwalkedtotheshopyesterday.我昨天走路去商店。Theywashedhandstwohoursago.他们两小时前洗的手。三、动词变过去式的规则①一般直接加edwalk-walked②以不发音的e结尾的动词词，直接加dlive-lived③以辅音+y结尾的单词，变y为i加edstudy-studied④以重读闭音节结尾且末尾只有一个辅音字母的动词，双写最后一个字母加edshop-shoppedstop-stopped⑤特殊am/is-was是are-were是do/does-did做/助动词break-broke破坏speak-spoke讲get-got得到stand-stood站take-took拿，带go-went去have-had有make-made制作meet-met见say-said说wear-wore穿tell-told告诉spend-spent花费sell-sold卖lie-lay躺lose-lost丢hurt-hurt伤害put-put放read-read读cut-cut切catch-caught抓buy-bought买catch-caught抓住think-thought想teach-taught教find-found找到sleep-slept睡觉feel-felt感觉sweep-swept打扫sit-sat坐come-came来blow-blew吹run-ran跑sing-sang唱drink-drank喝swim-swam游泳drive-drove驾驶know-knew知道fly-flew飞throw-threw扔draw-drew画give-gave给win-won赢ride-rode骑eat-ate吃write-wrote写see-saw看见四、一般过去时的基本句型结构①肯定句：主语+be+其他.Hewasaboy.否定句：主语+benot+其他.Hewasnotaboy.一般疑问句：Be+主语+其他?Washeaboy?Gr肯定回答：Yes,主语+be.Yes,hewas.否定回答：No，主语+benot.No,hewasnot.②肯定句：主语+动词过去式+其他.Iwalkedtothezoo.否定句：主语+didn’t+动词原形+其他.Ididn’twalkedtothezoo.一般疑问句：Did+主语+动词原形+其他？Didyouwalktothezoo?肯定回答：Yes,主语+do/doesYes,Idid.否定回答：No,主语+don’t/doesn’t.No,Ididn’t.五、既没有be动词又没有情态动词的句型转换做题步骤：①变否定句a.找出动词，判断形式b.主语后加don’t或doesn’t或didn’t注意：some变anyc.动词变为原形，其余照抄②变一般疑问句a.找出动词，判断形式注意：一二人称互换b.句首加Do或Does或Didsome变anyc.动词变为原形，其余照抄