| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [art] [adj] years [unc] | 31 |
|
| 2 | [noun] [prep] [art] [num] years [unc] | 19 |
|
| 3 | [noun] [prep] [art] few years [unc] | 12 |
|
| 4 | [noun] [prep] [art] [det] years [unc] | 12 |
|
| 5 | [noun] [prep] [art] few years [unc] | 12 |
|
| 6 | [noun] [prep] [art] thirty years [unc] | 8 |
|
| 7 | [noun] [prep] [art] thirty years [unc] | 8 |
|
