| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] been seen [prep] [noun] | 20 |
|
| 2 | [not/n't] seen [prep] [num] [noun] | 12 |
|
| 3 | [not/n't] been seen [prep] [num] | 10 |
|
| 4 | been seen [prep] [num] [noun] | 9 |
|
| 5 | [not/n't] been [prep] [num] [noun] | 9 |
|
