| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] been [prep] | 983 |
|
| 2 | been seen [prep] | 505 |
|
| 3 | [not/n't] seen [prep] | 257 |
|
| 4 | [not/n't] been seen | 136 |
|
