‘not even’ can be used to emphasize that something is not true or didn’t happen. It’s B1 in the English Vocabulary Profile.
Here are the collocates of ‘not even’ in the movie corpus:
1 CLOSE 443
2 YET 398
3 ANYMORE 215
I‘m not even allowed to swim with her anymore.
4 SUPPOSED 164
5 ANYONE 133
6 LISTENING 106
7 WORTH 105
8 HUMAN 86
9 ALLOWED 72
10 DRESSED 55
11 AWARE 45
12 REMOTELY 44
13 MOUSE 37
14 EXIST 35
15 MENTION 34
16 STIRRING 32
17 LOADED 31
18 KNOWING 27
19 HALFWAY 26
20 PAYING 25
B1: allowed, exist, human, mention, stirring, supposed, worth