| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] a [det] years | 215 |
|
| 2 | [noun prp] [noun] a [det] | 87 |
|
| 3 | [noun prp] a [det] years | 59 |
|
| 4 | [noun prp] [noun] [det] years | 24 |
|
