| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [is] [prep] | 1608 |
|
| 2 | [unc] which [is] | 220 |
|
| 3 | [unc] [is] [prep] | 197 |
|
| 4 | [unc] which [prep] | 41 |
|
