| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few months [prep] | 77 |
|
| 2 | [prep] only a few months | 16 |
|
| 3 | only a few months [prep] | 15 |
|
| 4 | [prep] only a few [prep] | 7 |
|
