问词+动词过去式?如:Whowenttohomeyesterday?4.动词过去式变化规则:(1).规则动词一般在动词末尾直接加-ed,如:pull-pulled,cook-cookedplay-played(2).结尾是e加d,如:taste-tastedmove-moved(3).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-stoppedplan-plannedtrip-tripped(4).以“辅音字母+y”结尾的,变y为i,再加-ed,如:study-studied(5).不规则动词过去式:am/is-was,are-were,do-did,see-saw,say-said,give-gave,get-got,go-e-came,have-had,eat-ate,take-took,run-ran,sing-sang,put-put,make-made,read-read,write-wrote,draw-drew,drink-drank,fly-flew,ride-rode,speak-spoke,sweep-swept,swim-swam,sit-sat5、其他用法(1)在时间和条件状语从句中,用一般过去时表‘过去将来时’Hesaidthathewouldtellusifheheardthenews.(2)usedto+动词原型表过去经常,现在不了Heusedtosmoke.(3)would表过去“经常”Themanwouldgothereonfoot.usedto与woulddo均表示过去经常,但有区别usedtodo既可表示动作又可表过去存在的状态,而woulddo只能用于过去反复性的动作,如:Sheusedtobeaquietchild.(√)就不能换为:Shewouldbeaquietchild.(X)
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