| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few month | 403 |
|
| 2 | [prep] a month [unc] | 93 |
|
| 3 | a few month [unc] | 27 |
|
| 4 | [prep] a few [unc] | 13 |
|
