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1、初中英语时态讲解第一部分：知识讲解1．一般过去时表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作。2．Be动词在一般过去时中的变化：⑴am和is在一般过去时中变为was。（wasnot=wasn’t）⑵are在一般过去时中变为were。（werenot=weren’t）⑶带有was或were的句子，其否定、疑问的变化和is,am,are一样，即否定句在was或were后加not，一般疑问句把was或were放到句首。3．句中没有be动词的一般过去时的句子否定句：didn’t+动词原形，如：Jimdidn
2、’tgohomeyesterday.一般疑问句：在句首加did，句子中的动词过去式变回原形。如：DidJimgohomeyesterday?特殊疑问句：⑴疑问词+did+主语+动词原形？如：WhatdidJimdoyesterday?⑵疑问词当主语时：疑问词+动词过去式？如：Whowenttohomeyesterday?动词过去式变化规则：1．一般在动词末尾加-ed，如：pull-pulled,cook-cooked2．结尾是e加d，如：taste-tasted3．末尾只有一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加-ed，如：stop-s
3、topped4．以“辅音字母+y”结尾的，变y为i，再加-ed，如：study-studied5．不规则动词过去式： am,is-was are-were, do-did, see-saw, say-said give-gave, get- got, go-went, come-came, have-had, eat-ate, take-took, run-ran, sing-sang,
4、 put-put, make-made, read-read, write-wrote, draw-drew, drink-drank, fly-flew, ride-rode, speak-spoke, sweep-swept, buy-bought swim-swam, sit-sat bring--brought can-could cut-cut become-became begin-
5、began draw-drew feel-felt find-found forget-forgot hear-heard keep-kept know-knew learn-learnt （learned） leave-left let-let lose-lost meet-met read-read sleep-slept speak-spoke take-too
6、k teach-taught tell-told write-wrote wake-woke think-though第二部分：练习过去时练习：写出下列动词的过去式isam_________ fly_______ plant________ are________ drink_________play_______ go________ make________does_________ dance________worry________ ask_____ taste_________ eat_____
7、_____draw________put______ throw________kick_________ pass_______ do________一、用be动词的适当形式填空。1.I______anEnglishteachernow.2.She_______happyyesterday.3.They_______gladtoseeeachotherlastmonth.4.HelenandNancy________goodfriends.5.Thelittledog_____twoyearsoldthisyear.6.Look,there_______
8、_lotsofgrape
