Fill in the Blanks Verb To beOnline version Praticando Interrogativa e negativa. by romilson gomes 1 very they Mary curtain are friend a my black a is doctor not Are doctor Is best red not Those I Is father intelligent am my your dogs not 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 . ?