fell,lost,found,left,told,sent,spent,bought,slept的原形是什么?

题目

fell,lost,found,left,told,sent,spent,bought,slept的原形是什么?
顺便把它们的原形-过去式-过去分词写出来,
时间不多了！必须得十分钟内回复！并且标明哪是原形，哪是过去式，哪是过去分词，

答案

fall fell fallen
lose lost losen
find found found
leave left left
tell told told
send sent sent
spend spent spent
buy bought bought
sleep slept slept