| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pron] [verb] last year | 13 |
|
| 2 | which [pers pn] [verb] last year | 13 |
|
| 3 | which [pron] [verb] last year | 13 |
|
| 4 | which [pron] [vb past] last year | 13 |
|
