Fill in the Blanks The past tenseOnline version A recap exercise on the past tense by Kayalin Van Kogelenberg 1 was was needed learned caught doing keeping were appeared saw was called The Tenseifier always ( to be , past simple ) a mystery to the league of heroes . He just ( to appear , past simple ) one day in New York . At first they were small incidents , whenever he ( to catch , past simple ) someone using the wrong tense he would use his brainwashing powers to force people to literally go back to school . He ( to do , past continuous ) it so much that the people started complaining . People ( to be , past simple ) losing their jobs because they kept dissapearing from their work . Meanwhile he ( to keep , past continuous ) all these employees under his control until they ( to learn , past simple ) their lessons . He didn't understand that he was being a menace causing people to lose their jobs that eventually the public ( to call , past simple ) him out and he was arrested . In prison the Tenseifier ( to see , past simple ) that the people ( to need , past simple ) to learn a new lesson , one they wouldn't forget .