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