| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years [noun prp] | 412 |
|
| 2 | twenty [adj] years | 276 |
|
| 3 | twenty [adj] [noun prp] | 46 |
|
| 4 | twenty years [noun prp] | 7 |
|
