| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] [art] | 8667 |
|
| 2 | [vb past] [art] last | 762 |
|
| 3 | which [vb past] last | 72 |
|
| 4 | which [art] last | 27 |
|
