| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been see [prep] the | 14 |
|
| 2 | not been seen [prep] the | 14 |
|
| 3 | not been see by the | 5 |
|
| 4 | not been see since the | 5 |
|
| 5 | not been see by the | 5 |
|
| 6 | not been see since the | 5 |
|
