| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [adv] be seen | 22 |
|
| 2 | not [adv] [be] seen | 19 |
|
| 3 | [not/n't] [adv] be seen | 16 |
|
| 4 | [not/n't] [adv] [be] seen | 16 |
|
| 5 | [not/n't] [adv] [been] seen | 6 |
|
| 6 | [not/n't] [adv] been seen | 6 |
|
