一般过去式PPT

一般过去式,概念：表示过去某个时间段发生的动作或者状态，过去习惯性或者经常性的动作、行为。 基本结构： was/were+ 动词过去式 否定结构：was/were not +动词过去式 didn't +动词原形 was not=wasn't were not=weren't 疑问句式：Was/Were 置于句首 Did 置于句首+动词原形,在确定的过去的时间里发生的动作或者状态 eg：1) I flew to Shanghai last week. 2) Where did you go just now? 3) She didn't go to the museum yesterday. 在过去的某一时间段里经常性或者习惯性发生的动作 eg: 1) When I was a little boy, I often played football with my cousin in the park. 2) My mother used to water flowers at six every morning. 注意： used to do sth 表示过去习惯性的动作或者状态，但是现在已经不存在。,表示过去式的一些时间状语归纳： 1) yesterday 昨天 the day before yesterday 前天 yesterday morning 昨天早上 2) last +时间 last night 上一晚上 last week 上周 3) ago 很久以前 long long ago 很久之前 two days ago 两天之前 4) just +时间 just now 刚才 just a moment ago 刚才,5) in+具体过去的时间 in 1998 6) 具体的过去时间 this morning when I was six once upon a time at the age of five,动词过去式的变化规则 1)一般情况下动词后直接加ed askasked 2)以不发音e结尾的动词后直接加d arrivearrived 3)以辅音字母加y结尾的动词，变y为i 再加ed studystudied 4)以一个辅音字母结尾的重读闭音节动词，双写最后一个辅音字母再加ed stopstopped,不规则动词过去式变化归纳 bewas/were beatbeat telltold becomebecame beginbegan bringbrought buybought cutcut catchcaught costcost runran dodid drawdrew drinkdrank eatate fallfell leaveleft flyflew gowent letlet putput havehad meetmet sitsat seesaw saysaid drivedrove findfound getgot learnlearnt makemade lielay thinkthought singsang winwon standstood taketook hearheard growgrew riderode speakspoke swimswam readread teachtaught,Thank you !,