| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [adj] [prep] [adj] years | 72 |
|
| 2 | [adj] [prep] [adj] years [unc] | 72 |
|
| 3 | [noun prp] [adj] [prep] [adj] [unc] | 33 |
|
| 4 | [noun prp] [prep] [adj] years [unc] | 20 |
|
