| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] years ' [noun sg] | 681 |
|
| 2 | [adv] [num] years ' [noun sg] | 87 |
|
| 3 | [adv] [prep] [num] years ' | 20 |
|
| 4 | [adv] [prep] [num] years [noun sg] | 16 |
|
