Questão
ID 613550Disciplina: Língua Inglesa
Assunto: Passado Perfeito | Past Perfect
Ano: 2011 Banca: MAKIYAMA Órgão: Companhia Paulista de Trens Metropolitanos

Consider: “Up until a year or so ago, Ms. Rousseff, the former chief of staff of President Luiz Inácio Lula da Silva, had worked mostly behind the scenes(…)”. Where is the verb and what is its verb tense?