buy,send,lend,be,go,fly,sit,teach,read,understand,think,make,get

题目

buy,send,lend,be,go,fly,sit,teach,read,understand,think,make,get
spend,write,ring,come,have,pay,sell,bring,leave,sweep,see,take,这些词的过去式和过去分词,最快给出答案并且全对的.

答案