| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is [vb pp] [prep] [noun sg] [verb] | 18 |
|
| 2 | which [is] [vb pp] [prep] [noun sg] [to-vb] | 9 |
|
| 3 | which [is] [vb pp] by [noun sg] [verb] | 8 |
|
