Speculate about the pastOnline version Take this quiz on the use of past modals to speculate about the past. by Maika Castillo Henríquez 1 Why were they arguing? Choose one or more answers a They must have had a disagreement. b They can't have had a disagreement. 2 Why did he cry? Choose one or more answers a He may have gotten hurt while playing. b He couldn't have gotten hurt while playing. 3 What happened? Choose one or more answers a There might have been a robbery. b There may not have been an emergency. 4 What happened? Choose one or more answers a Someone could dropped the wallet. b Someone must have dropped the wallet. 5 Why does he look happy? Choose one or more answers a He can't have received god news. b He might have received good news.