用所给动词的适当形式填空：Anartistwasaverykindman,althoughhe(){not,have}muchmoney.Oneday,whilehe(){come}homebytrain,he(){give}hislastfewcoinstoabeggar,butthenhe(){see}anotherone,and(){forget}thath

　　用所给动词的适当形式填空：

　　Anartistwasaverykindman,althoughhe(){not,have}muchmoney.Oneday,whilehe(){come}homebytrain,he(){give}hislastfewcoinstoabeggar,butthenhe(){see}anotherone,and(){forget}thathe(){not,have}anymoremoney.He(){ask}thebeggarifhewouldlike(){have}lunchewithhim,andthebeggar(){say}yeshappily,sothey(){go}intoarestaurantand(){have}agoodmeal.

　　Intheend,theartist(){not,be}paythebill,ofcourse,sothebeggar(){have}todoso.Theartist(){be}veryunhappyaboutthis,sohe(){say}tothebeggar,"(){come}homewithmeinataxi,myfriend,andI(){give}youbackthemoneyforlunch.""Oh,no!"thebeggar(){say}quickly."I()already(){pay}foryourlunch,butI(){not,pay}foryourtaxihome!"

　　用所给动词的适当形式填空：

　　可以根据哪些方面判断动词的时态或适当形式呢?