| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a month [unc] time | 20 |
|
| 2 | [prep] a few month [unc] | 19 |
|
| 3 | a few month [unc] time | 14 |
|
| 4 | [prep] a few month time | 9 |
|
