| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [adv] [vb past] [prep] | 690 |
|
| 2 | [adv] [vb past] [prep] [n mass] | 89 |
|
| 3 | which [vb past] [prep] [n mass] | 85 |
|
| 4 | which [adv] [vb past] [n mass] | 18 |
|
