一般过去时口诀.ppt

不规则动词的过去式是特殊形式,需要特殊记忆,每个不规则动词的变化形式,都必须牢记。现在介绍几则小技巧来帮大家记忆。(aught)不算多,teach,catch就两个。无a则o(ought)三几个,bring,buy和think。(还有fight—fought战斗;打架)这句话是记忆catch,teach和bring,buy,think的过去式的口诀。即:catch—caught,teach—taught;bring—brought,buy—bought,think—: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)。这句话是记忆过去式和动词原形相同的单词的。即:must—must,let—let,put—put,cut—cut,read—read,hit—hit,hurt—hurt,cost—cost(还有set—set安装;启动)(swim)唱歌(sing)后,开始(begin)坐(sit)下来,给(give)点喝(drink)的吧,i就变成a。这句话是记忆将原词中的i改为字母a的单词。即:(还有ring—rang响)swim—swam,sing—sang,begin—began,sit—sat,give—gave,drink—(grow)大后知道(know)不要乱扔(throw)乱吹(blow)乱画(draw),ow/aw就会变成ew。这句话是记忆将ow/aw变成ew的。即:grow—grew,know—knew,throw—threw,blow—blew,draw—drew袜***涛潜寺鼎芋棘府腕凸敏镶邻瞪剂罢絮苑拨瘤酋这交云津向姿佛饥秉惫一般过去时口诀一般过去时口诀