| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] [verb] [adj] | 673 |
|
| 2 | [vb past] [verb] [adj] year | 390 |
|
| 3 | which [verb] [adj] year | 104 |
|
| 4 | which [vb past] [adj] year | 72 |
|
