| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [is] [adv] [verb] | 1758 |
|
| 2 | which [is] [adv] [vb pp] | 1485 |
|
| 3 | [pron] [is] [adv] used | 276 |
|
| 4 | which [be] [adv] used | 190 |
|
| 5 | which [is] [adv] used | 90 |
|
| 6 | which [is] [adv] use | 85 |
|
