| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] been [prep] [noun] | 284 |
|
| 2 | been seen [prep] [noun] | 104 |
|
| 3 | [not/n't] been seen [prep] | 75 |
|
| 4 | [not/n't] seen [prep] [noun] | 48 |
|
