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