| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] a [det] | 2037 |
|
| 2 | [noun sg] [prep] [det] years | 1035 |
|
| 3 | [prep] a [det] years | 581 |
|
| 4 | [noun sg] a [det] years | 120 |
|
