| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [is] [prep] | 1608 |
|
| 2 | [num] [is] [prep] | 384 |
|
| 3 | [num] which [is] | 242 |
|
| 4 | [num] which [prep] | 37 |
|
