| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a [det] years | 220 |
|
| 2 | [adv] a few years | 220 |
|
| 3 | only a [det] years | 97 |
|
| 4 | just a [det] years | 41 |
|
| 5 | quite a [det] years | 33 |
|
| 6 | even a [det] years | 12 |
|
