keep\sleep\sweep\think\lend\seng\bulid\sell\throw的过去式

谁告诉我下列单词的过去式:shoot sell keep sleep say win have has sweep ma keep sleep sweep 变过去式有什么规律? find,hear,keep,lay,lose,make,teach,meet,sell,sweep,win,think 请问这sweep feed keep build 的过去式是什么啊 be,wear,sweep,keep的过去式和过去分词 sweep的过去式 sweep的过去式是什么? earn ,leave ,lend,meet ,pay ,say ,sell 的过去分词和过去式怎么写? 它们的过去式：lend send spend build sell tell say pay mett feed gro lend的过去式是什么 lend的过去式 写出下列单词的过去式：1.blow 2. break 3. pour 4. throw 5.sweep 6. sit 7