| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been [prep] [det] [noun sg] | 29 |
|
| 2 | been seen [prep] [det] [noun sg] | 18 |
|
| 3 | not been seen [prep] [det] | 11 |
|
| 4 | not seen [prep] [det] [noun sg] | 5 |
|
