| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] year | 30292 |
|
| 2 | [prep] [num] year | 16424 |
|
| 3 | [prep] five [noun] | 5140 |
|
| 4 | [prep] five year | 1523 |
|
