写出下列词的过去式和过去分词babysitforbidmustsmell sinkpackprovidesetcoachsprinkle

1babysat babysat
2forbade或者forbad forbidden
3must是情态动词，没有过去式和过去分词
4smelt smelt
5sank sunk

babysit 过去式和过去分词都是babysat
forbid 过去式 forbade 过去分词forbidden
must 过去式和过去分词都是must
smell 过去式：smelled/smelt 过去分词: smelled/smelt
sink的过去式是sank和sunk 过去分词是sunk和sunken

babysit 过去式babysitted 过去分词babysitted
forbid 过去式forbade或forbad 过去分词forbidden或forbid
must 么没有过去式过去分词.这是情态动词不是实意动词
smell 过去式smelled 或 smelt 过去分词smelled 或 smelt
sink 过去式sank 过去分词sunk
pack 过去式和过去分词都是packed
provide 过去式和过去分词都是provided
set 过去式和过去分词与原型一致都是set
coach 过去式和过去分词都是coached
sprinkle 过去式和过去分词都是sprinkled

babysat babysat
forbad forbidden
must must
smelled smelt
sunk sunken