Relacionar Columnas Modal verbs in the pastVersión en línea Connect these two columns and construct sentences in the passive voice using should and shouldn't to comment on historical mistakes made by mankind. por Segni 1 Apartheid 2 The cause of the Mary Celeste's mysterious desertion 3 The identity of Jack the Ripper 4 Slavery 5 The atomic bombs 6 7 The Pyramids of Giza 8 The Berlin Wall should not have been dropped on Hiroshima and Nagasaki might have been built by aliens The disappearance of Amelia Earhart may have been caused by engine failure. should not have been practiced in South Africa might never have been discovered could have been a giant squid. should not have been constructed during the Cold War should not have been allowed to exist in the United States