| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [vb pp] [adv] a few month | 5 |
|
| 2 | [vb past] [vb pp] a few month [adv] | 6 |
|
| 3 | [vb past] [vb pp] a few month [adv] | 6 |
|
