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