| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | only a [det] [noun] | 1285 |
|
| 2 | only a [det] [noun pl] | 1199 |
|
| 3 | [adv] a [det] years | 251 |
|
| 4 | [adv] a [det] years | 220 |
|
| 5 | only a [adj] years | 98 |
|
| 6 | only a [det] year | 97 |
|
| 7 | only [art] [det] years | 97 |
|
| 8 | only a [det] years | 97 |
|
