Answer: was

AnswerCrossword Clue
WASHad a life
WAS"The Subject ... Roses" (Pulitzer-winning play)
WASVerb in a retrospective
WAS"Father ... a Fullback" (1949 Fred MacMurray comedy)
WAS"Fuzzy wuzzy ......"
WAS"The Subject ... Roses"
WAS"What ... that?"
WAS"What .. I thinking?"
WASWord after wuzzy
WAS"Kilroy .. here"
WAS"It .. I": 1959 hit
WASVerb in history texts
WAS"That .. close"
WAS".. I dreaming?"
WAS"That .. close!"
WASIsn't anymore
WASWord after Wuzzy
WASOnce existed
WAS"I .. had!"
WASIsn't any more
wasthe first and third person singular, past indicative of be
WASThere once ... a girl...
WASExisted
WASHad been
WASIs no longer
WASCenter of quip
WASHas-been
WASThird word in a limerick
WASThird word in many limericks
WAS"Fuzzy Wuzzy ... a bear"
WASIs no more
WAS"How Green .. My Valley"
WASHow ... I to know?
WASFormerly worked as
WASUsed to be
WASWord in the first sentence of a Wikipedia article that indicates its subject passed away
WAS"Fuzzy Wuzzy .. a bear ..."
WASI .. a Teenage Werewolf
WASOccurred
WASHas been