| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [vb pp] on | 31 |
|
| 2 | they [vb base] been [vb pp] on | 19 |
|
| 3 | they have been [vb pp] on | 17 |
|
| 4 | they [vb past] been [vb pp] on | 12 |
|
| 5 | they had been [vb pp] on | 9 |
|
