| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years [unc] | 1485 |
|
| 2 | 20 [noun] [unc] | 92 |
|
| 3 | 20 [noun pl] [unc] | 69 |
|
| 4 | 20 year [unc] | 53 |
|
