| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [be] [adv] | 19368 |
|
| 2 | [vb past] [be] [adv] | 7960 |
|
| 3 | which [vb past] [adv] | 5599 |
|
| 4 | which [vb past] [be] | 2801 |
|
