| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [verb] a few months | 15 |
|
| 2 | have [verb] a few months | 13 |
|
| 3 | [verb] [vb pp] a few months | 12 |
|
| 4 | [vb past] [verb] a few months | 8 |
|
