这些英语单词的过去分词都是什麼？？

fed
left
will 没有！
swept
stood
spent
smelt
should 和 may 也没有
那些没有的是情态动词，只有过去式，没有过去分词！绝对可以保证！

fed
left
would
swept
stood
spent
smelt
should
might

feed=fed
leave=left
will=would
sweep=swpet
stand=stood
spend=spent
smell=smelt
shall=should
may=might

fed left would swept stood spent smalt should might

feed=fed
leave=left
will=would
sweep=swpet
stand=stood
spend=spent
smell=smelt
shall=should
may=might

1/fed
2/left
3/无过去分词
4/swept
5/stood
6/spent
7/smelt,smelled
8/无过去分词
9/无过去分词