Completar Frases Verb To beVersión en línea Praticando Interrogativa e negativa. por romilson gomes 1 a very Are not not they Mary am black best intelligent I father doctor dogs Is curtain doctor Those a my are Is red my friend not is your 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 . ?