Compléter Present Perfect Negative (D)Version en ligne Complete the sentences with the conjuagation of the negative form of the Present Perfect. (Completa las frases con la forma negativa correcta del Present Perfect utilizando los verbos entre paréntesis:) par Campus Online 1 lost have finished not seen have worked not not made has have not not not not have told eaten have not has has studied 1 . George me anything . ( tell ) 2 . I anything today . ( eat ) 3 . Brian copies for everyone . ( make ) 4 . Margaret and Frank the exam , let's wait for them . ( finish ) 5 . My daughters all their teeth . ( lose ) 6 . You since last year . ( work ) 7 . We hard enough for the exam . ( study ) 8 . John a hippo before . ( see )