| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been see [prep] [noun] | 17 |
|
| 2 | not [been] seen [prep] [noun] | 17 |
|
| 3 | not [been] see [prep] [noun prp] | 11 |
|
| 4 | not [been] see in [noun] | 8 |
|
| 5 | not [been] see since [noun] | 5 |
|
