| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for a month | 74 |
|
| 2 | [verb] for a [unc] | 43 |
|
| 3 | [verb] a month [unc] | 28 |
|
| 4 | for a month [unc] | 16 |
|
