| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] [adv] [num] years | 703 |
|
| 2 | [noun sg] [prep] [adv] a [num] | 122 |
|
| 3 | [prep] [adv] a [num] years | 51 |
|
| 4 | [noun sg] [prep] a [num] years | 42 |
|
| 5 | [noun sg] [adv] a [num] years | 9 |
|
