| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] [art] | 23142 |
|
| 2 | not [vb pp] [prep] [art] | 4980 |
|
| 3 | not been [vb pp] [prep] | 1651 |
|
| 4 | not been [prep] [art] | 368 |
|
| 5 | not been [vb pp] [art] | 81 |
|
