| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] years ' [noun] | 684 |
|
| 2 | [coord] [num] years ' [noun] | 75 |
|
| 3 | [coord] [prep] [num] years [noun] | 17 |
|
| 4 | [coord] [prep] [num] years ' | 11 |
|
