stay,have,drink,buy,pack的第三人称单数，现在分词，过去式，各是什么呀( ⊙ o ⊙ )！

原型——第三人称单数——现在分词——过去式
stay---stays---staying---stayed
have---has---having---had
drink---drinks---drinking---drank
buy---buys---buying---bought
pack---packs---packing---packed

stay---stays---staying---stayed
have---has---having---had
drink---drinks---drinking---drank
bau---buys---buying---bought
pack---packs---packing---packed

stay---stays---staying---stayed
have---has---having---had
drink---drinks---drinking---drank
bau---buys---buying---bought
pack---packs---packing---packed

原型——第三人称单数——现在分词——过去式
stay---stays---staying---stayed
have---has---having---had
drink---drinks---drinking---drank
buy---buys---buying---bought
pack---packs---packing---packed

stay-stayed-stayed
have-had-had
dring-drank-drunk
buy-bought-bought
pack-packed-packed

stays has drinks buys packs staying having drinking buying packing stayed had drank bought packed