一般过去式（讲义）人教PEP版英语六年级下册

一般过去式 :表示过去某个特定时间内发生的动作或状态 时间状语 yesterday及其构成的短语 yesterday morning /afternoon /evening the day before yesterday.昨天 last +时间名词 last night/year/month/week/spring 一段时间+ago moment ago an hour ago、 two days ago. 短语 just now 刚刚 in the past 在过去”at that time在那个时候 at the age of… …岁时once upon a time 很久很久以前 in the old days从前 过去的具体时间：in 2002 Eg:I bought a new bike yesterday. 一般过去时 ②结构 谓语动词是be(was/were)动词 肯定句 主语+was/were十其它 I was a student two years ago. 否定句 主语+wasn't/weren't十其它 I wasn't a student two years ago. 一般疑问句 Was/Were十主语十其它 Were you a student two years ago? Yes, I was./ No, I wasn't. 特殊疑问句： 特殊疑问词+was/were十主语十其它？ Where was she? 谓语动词是实义动词 肯定句 主语十动词过去式十其它 Jim went home at six o'clock yesterday. 否定句 主语+didn't十动词原形十其它 Jim didn't go home yesterday. 一般疑问句 Did +主语+动词原形十其它？Did Jim go home yesterday? Yes, he did. 特殊疑问句)特殊疑问词+did+主语+动词原形十其它？ What did Jim do yesterday? 肯定句否定句(肯变否) 1.先找be动词(was. were) 2.如有，在be动词后+not 3.如无，在实义动词前+didn't，将动词由过去式变为原型 一般疑问句 1.Did+主语+动词原形(+其他)? 2.Was/Were+主语(+其他)? 特殊疑问句 1.特殊疑问词+did+主语+动词原形(+其他)？ 2.特殊疑问词+was/were+其他？ 动词过去式的变化规则 (1)规则变化过去式构成有规律，一般在词尾加-ed动词词尾有个e，加上-d就可以 重读闭一辅结尾，双写辅音加-ed 辅音加y结尾时，变y为i加-ed ①一般情况：在词尾加-ed talk→talked look→looked show→showed stay→stayed play—-played 以元音字母+y结尾：直接加-ed(特殊变化除外) ②以不发音e结尾的单词：在词尾加-d like→liked arrive→arrived hope→hoped smile-smiled love→loved place→placed ③以重读闭音节结尾,且末尾只有一个辅音字母的单词：双写词尾加-ed chat—chatted plan→planned stop→stopped 1.必须是重读音节2.最后一个只能是辅音字母3.元音字母发短元音 4.辅元辅”(辅音+元音+辅音) ④以辅音字母+y结尾的单词：变y为i加-ed study—studied carry→carried worry→worried dry→dried try→tried fly→flied 2.保持原形不变： 必须(must)让(let)他们放(put)下切(cut)刀来读(read)书.以免敲打(hit)受伤(hurt)花钱(cost) must→must let→let put→put cut→cut 3."i"就变成”a”： 游泳(swim)唱歌(sing)后，开始(begin)坐(sit)下来，给(give)点喝(drink)的吧！ swim-swam sing→sang begin→began sit→sat give→gave drink→drank 4."ow/aw"就会变成"ew”： 长(grow)大后知道(know)不要 乱扔(throw)乱吹(blow)乱画