| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [vb past] [num] [noun] | 236 |
|
| 2 | [prep] [noun] [verb] [num] year | 74 |
|
| 3 | [prep] [noun] [vb past] [adj] year | 50 |
|
| 4 | [prep] [noun] [vb past] [num] year | 15 |
|
