| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] on [adv] | 9 |
|
| 2 | had been [vb pp] on [adv] | 8 |
|
| 3 | have been [vb pp] on [adv] | 8 |
|
| 4 | have been [vb pp] on [adv] | 5 |
|
| 5 | have been [vb pp] on more | 5 |
|
