Completar Frases Verb To beVersión en línea Praticando Interrogativa e negativa. por romilson gomes 1 I are they doctor my best your am doctor Is red intelligent is not a curtain Is not Are father very my black friend Those Mary not a dogs 1 ) Passe as frases abaixo para forma negativa . a ) Mary is a doctor . . b ) I am your best friend . . c ) Those dogs are black . . 2 ) Passe para interrogativa . a ) My father is a doctor . ? b ) My curtain is red . ? c ) They are very intelligent . ?