| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [det] months | 401 |
|
| 2 | [prep] a [det] [verb] | 48 |
|
| 3 | [prep] [det] months [verb] | 33 |
|
| 4 | a [det] months [verb] | 24 |
|
