| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] years [unc] time | 172 |
|
| 2 | [prep] [art] [adj] years [unc] | 64 |
|
| 3 | [art] [adj] years [unc] time | 28 |
|
| 4 | [prep] [art] [adj] years time | 22 |
|
