This is another post about two overlapping English Grammar Profile points at the same proficiency level that could be merged into one.
Point 11 in the category of FOCUS is defined as:
‘Not a’ + noun with a passive verb or inverted auxiliary and subject for focus.
Point 29 in the category of NEGATION:
‘not a’ + noun, often with a following passive structure, for emphasis.
This is very rare!
_xx _at1 _n _vb _vvn
1 NOT A LOT IS KNOWN 193
2 NOT A WORD WAS SPOKEN 104
3 NOT A WORD WAS SAID 70
_xx _at1 _n _v
1 NOT A DAY GOES 1744
2 NOT A LOT IS 363
3 NOT A WEEK GOES 355
4 NOT A WORD WAS 313
5 NOT EVERY DAY IS 221
6 NOT A LEVEL PLAYING 206
7 NOT A WELL KNOWN 169
8 NOT A MUST HAVE 158
9 NOT A CREATURE WAS 115
10 NOT A SPORTS FAN 115
11 NOT A WORD IS 110
12 NOT EVERY COMPANY IS 105
13 NOT A LIFE THREATENING 98
14 NOT A SURPRISE GIVEN 94
15 NOT EVERY COMPANY HAS 92