| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] for [det] | 431 |
|
| 2 | [vb pp] for [det] months | 32 |
|
| 3 | been [vb pp] for months | 13 |
|
| 4 | been for [det] months | 5 |
|
