| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] [adv] a | 1437 |
|
| 2 | [verb] [adv] a year | 252 |
|
| 3 | [vb past] [adv] a year | 65 |
|
| 4 | [vb past] [verb] a year | 43 |
|
| 5 | [vb past] [verb] [adv] year | 9 |
|
