| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | only for a [det] month | 6 |
|
| 2 | only [prep] a [det] months | 6 |
|
| 3 | only [prep] a [det] month | 6 |
|
| 4 | only for a [det] month | 6 |
|
| 5 | only [prep] a few month | 6 |
|
