| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [unc] [noun] [pron] [modal v] | 713 |
|
| 2 | years [unc] [noun] [pron] | 43 |
|
| 3 | years [noun] [pron] [modal v] | 14 |
|
| 4 | years [unc] [noun] [modal v] | 11 |
|
