| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | years [coord] [no cls] | 36 |
|
| 2 | years and [unc] | 32 |
|
| 3 | years [coord] er | 22 |
|
| 4 | years [coord] er | 22 |
|
| 5 | years [coord] erm | 9 |
|
| 6 | years [coord] erm | 9 |
|
