| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been [vb pp] [prep] [num] | 51 |
|
| 2 | not been [verb] for [num] | 22 |
|
| 3 | not been [verb] since [num] | 9 |
|
| 4 | not been seen [prep] [num] | 8 |
|
| 5 | not been see [prep] [num] | 8 |
|
| 6 | not been [verb] in [num] | 7 |
|
| 7 | not been [verb] within [num] | 6 |
|
