| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been seen [prep] [adj] [noun] | 16 |
|
| 2 | not been seen [prep] [adj] [noun pl] | 9 |
|
| 3 | not been seen [prep] [det] [noun] | 8 |
|
| 4 | not been seen for [adj] [noun] | 7 |
|
| 5 | not been seen for [adj] [noun] | 7 |
|
| 6 | not been seen in [adj] [noun] | 6 |
|
| 7 | not been seen in [adj] [noun] | 6 |
|
| 8 | not been seen [prep] [adj] [noun sg] | 5 |
|
| 9 | not been seen [prep] [num] [noun] | 5 |
|
