| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [vb past] this year 's | 6 |
|
| 2 | [Wh pn] [vb past] [det] year 's | 6 |
|
| 3 | who [vb past] [det] year 's | 6 |
|
| 4 | [Wh pn] [vb past] [det] year 's | 6 |
|
