动词过去式变化

不规则动词变为过去式和过去分词 动词原形 be have/has do go come become drink sing ring swim begin grow throw know draw drive ride rise write 过去式 was/were had did went came became drank sang rang swam began grew threw knew drew drove rode rose wrote 过去分词 been had done gone come become drunk sung rung swum begun grown thrown known drawn driven ridden risen written 动词原形 say lose meet tell hear find keep feel leave learn get make send lend bring buy fight teach catch cost taken given seen eaten cut hit let put 过去式 said lost met told heard found kept felt left learnt got made sent lent brought bought fought taught caught cost cut hit let put 过去分词 said lost met told heard found kept felt left learnt got made sent lent brought bought fought taught caught cost cut hit let put 过去式和过去分词相同 元音字母的变化 i---a---u 词尾 ow/aw---ew----own 词尾是ought, aught 元音字母i---o--n过去分词词尾加+n 原形，过去式，过去分词形式相同 类似的变化 take give see eat took gave saw ate

过去式巧记口诀：

i---a 游泳唱歌后，开始坐下，给点喝的，打个电话，字母i就变成a啦 ow, aw--ew 长大后知道不要乱扔乱画，否则ow或 aw就要变成ew啦 i---o 通过开车和骑马，可以使写作能力上升，字母i就变成o啦 中间去e末尾加t：扫了一天地，感觉累了想睡觉，以后要保持

有a用aught,无a用ought: 因为想教书，所以拿来钱去买，看到有人为捉猫而打架 过去式与动词原形一样的： 必须让他们放下切刀来读书，以免被打成重伤而花钱 末尾d要变成t的： 建房子，借出钱，寄信也是要花钱的。（build, lend, send, spend）