In the English Vocabulary Profile at B1: not believe/understand/hear/say, etc. a word = anything A search in iWeb corpus for: _XX _VV a word 1 N’T SAY A WORD 1726 Don’t say a word against my father. listen 2 NOT SAY A WORD 756 3 N’T UNDERSTAND A WORD 608 It was brilliant, even though I didn’t understand a word of it. listen 4 N’T BELIEVE A …
Here are two examples showing a limited range of determiners:
A man had A problem.
EVERY person wanted to play A game.