| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [det] years | 170 |
|
| 2 | [noun] [noun prp] [prep] [det] years | 43 |
|
| 3 | [noun] [noun prp] [prep] a [det] | 31 |
|
| 4 | [noun] [noun prp] a [det] years | 13 |
|
| 5 | [noun prp] [prep] a [det] years | 12 |
|
