请你写出下列单词的过去式，在完成几组练习后总结它们呈现的规律。快！！！急急急急急急急~~~~~

来源：百度知道 编辑：UC知道 时间：2024/05/23 04:49:34
①put________ cut_______ hit_______ read_______ let_______
beat_______ hurt_______ cost_______ 规律___________________
②keep_______ sleep_______ sweep_______ 规律_________________
③teach_______ catch_______ 规律________________
④bring_______ buy_______ think_______ 规律__________________
⑤begin_______ drink_______ ring_______ sing_______ swim_______ sit_______ 规律_______________⑥lend______ send_______ spend_______ build_______ 规律______________
⑦sell_______ tell_______ 规律_______________
⑧say_______ pay_______ 规律_______________
⑨meet_______ feed_______ 规律_______________
⑩grow_______ know_______ throw_______ fly_______
规律_______________

put,cut.jit, read,ket
beat,hurt,cost, 不变,是它本身
kept,slept, swept , ept
taught, caught, aught
brought, bought, thought, ought
began,drank, rang, sang, swam, sat, i 改变a
lent,sent,spent, built, D 改 T

SOLD, TOLD, ELL 变为OLD
SAID, PAID, 变Y为I 加D
MET,FED 去掉E
GREW, KNEW,THREW FLEW 变为 EW