怎么变过去分词

题目

怎么变过去分词
把这几个词变成过去分词
speak
call
ask
go
offer
visit
leave
take
play
skip

答案

speak-spoken
call-called
ask-asked
go-gone
offer-offerd
visit-visited
leave-left
take-taken
play-played
skip- skipped
一般的过去分词只是加ed,
也有双写加ed,如stopped
还有特殊的,如gone