| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] on may | 6 |
|
| 2 | had been [verb] on may | 6 |
|
| 3 | [vb past] been [verb] on may | 6 |
|
| 4 | [verb] been [vb pp] on may | 6 |
|
