"a progressive tense used to describe on-going action in the past; \"`I had been running' is an example of the past progressive\""@en-us . "past progressive tense"@en-us . "0"^^ . . . "past progressive"^^ . . "113806964"^^ . . "past progressive"@en-us . "0"^^ . . . . "113026654"@en-us . . "13806964-n"^^ . . . "109944007"@en-us .