| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv prt] [adv] a | 106 |
|
| 2 | [vb past] [adv] a year | 51 |
|
| 3 | [adv prt] [adv] a year | 44 |
|
| 4 | [vb past] [adv prt] a year | 13 |
|
