| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for a few months | 25 |
|
| 2 | [adv] for a [det] months | 19 |
|
| 3 | only for a [det] months | 6 |
|
| 4 | only for a [det] months | 6 |
|
| 5 | [adv prt] for a [det] months | 5 |
|
