| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] a [adj] [adj] | 402 |
|
| 2 | [prep] a [adj] year [adj] | 193 |
|
| 3 | [to-vb] [prep] a [adj] year | 14 |
|
| 4 | [to-vb] a [adj] year [adj] | 6 |
|
