| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] a [det] | 635 |
|
| 2 | [prep] a [det] months | 401 |
|
| 3 | [adv] a [det] months | 160 |
|
| 4 | [prep] [adv] [det] months | 11 |
|
