| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] been seen [prep] | 75 |
|
| 2 | not been seen [prep] | 67 |
|
| 3 | [not/n't] been seen in | 23 |
|
| 4 | [not/n't] been seen in | 23 |
|
| 5 | [not/n't] been seen for | 17 |
|
| 6 | [not/n't] been seen for | 17 |
|
| 7 | [not/n't] been seen since | 14 |
|
| 8 | [not/n't] been seen since | 14 |
|
| 9 | [not/n't] been seen by | 9 |
|
| 10 | [not/n't] been seen by | 9 |
|
| 11 | n't been seen [prep] | 8 |
|
| 12 | [not/n't] been seen at | 5 |
|
| 13 | [not/n't] been seen at | 5 |
|
