| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] [adv] | 14964 |
|
| 2 | which [verb] [adv] | 8434 |
|
| 3 | [pron] [verb] previously | 784 |
|
| 4 | which [verb] previously | 136 |
|
