| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [det] years [adv] | 1007 |
|
| 2 | [prep] a [det] years | 581 |
|
| 3 | [prep] [det] years [adv] | 243 |
|
| 4 | [prep] a [det] [adv] | 65 |
|
