| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [is] [vb pp] [adv] | 370 |
|
| 2 | which [is] [vb pp] at | 153 |
|
| 3 | [is] [vb pp] [adv] at | 126 |
|
| 4 | which [is] [adv] at | 39 |
|
