| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [vb pp] a month | 5 |
|
| 2 | have been [vb pp] a month | 5 |
|
| 3 | been [vb pp] [adv] a month | 6 |
|
| 4 | been [vb pp] [adv] a month | 5 |
|
