bring buy think 过去式,变化规律： begin drink ring sing swim sit 过去式

bring buy think 过去式,变化规律： begin drink ring sing swim sit 过去式 catch、bring、buy、think、begin、drink、ring、sing、swim、sit、lend、bu buy bring fight think sing drink swim begin speak break stea pay,ride,ring,say,sing,sleep,stand,break,begin,feel,draw的过去式 sell send sing sit speak swim spend 的过去分词和过去式 watch（过去式） drink（过去式） swim（过去式） 几个单词的过去式,1、let read put2、sit swim give drink writebegin come 写出词的过去式begin 【】 cut 【】 drink 【】 let 【】 give 【】 put 【】 sing 【 写英语的过去式:are beat becom begin bring build buy can come cut dr begin sit think forget grow offer water过去式、过去分词、现在分词 run begin sit think have forget grow offer 的过去式 过去分词 是什么? sing、run、give、sit的过去式