| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [num ord] year | 491 |
|
| 2 | for [num ord] year | 383 |
|
| 3 | [vb pp] for [num ord] | 164 |
|
| 4 | [vb pp] for year | 5 |
|
