| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [num] [noun] ' | 169 |
|
| 2 | [prep] [art] [adj] year ' | 62 |
|
| 3 | [prep] [art] [num] year [unc] | 37 |
|
| 4 | [prep] [art] [num] year ' | 34 |
|
