| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] [adv] for | 132 |
|
| 2 | has been [vb pp] for some | 39 |
|
| 3 | been [vb pp] [adv] for some | 14 |
|
| 4 | has been [adv] for some | 11 |
|
