求这几个词的三单形式和ing形式am are babysit bear become begin build beat bring buy

am,is,are都是be动词，ing形式都是being，单三形式都是is
单三：babysits, bear, becomes, begins, builds, beats, brings, buys
ing: babysitting, bearing, becoming, beginning,building, beating, bringing, buying
希望对你有帮助

am are的单三 是 is，ing形式是being
babysit的单三是 babysits，ing形式是babysitting
bear单三是 bears，ing形式 bearing
become单三：becomes，ing形式 becoming
begin单三：begins， ing形式 beginning
build 单三：builds ，ing形式 building
beat单三：beats，ing形式 beating
bring单三：brings，ing形式 bringing
buy 单三：buys， ing形式 buying
希望帮到你，好运~~~

am is being
are is being
babysit babysits babysiting
bear bears bearing
become becomes becoming
begin begins beginning
build builds building
beat beats beating
bring brings bringing
buy buys buying