| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] for [num] months | 331 |
|
| 2 | been [vb pp] for [num] | 324 |
|
| 3 | been [vb pp] [num] months | 24 |
|
| 4 | been [vb pp] for months | 13 |
|
