| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb -s] [adv] [vb pp] | 608 |
|
| 2 | which [vb -s] [adv] [vb pp] | 548 |
|
| 3 | [pron] [vb -s] often [vb pp] | 46 |
|
| 4 | which [verb] often [vb pp] | 16 |
|
| 5 | which [vb -s] often [verb] | 8 |
|
| 6 | which [vb -s] often [vb pp] | 8 |
|
