| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] [be] | 9992 |
|
| 2 | [prep] which [be] | 4053 |
|
| 3 | [prep] which [modal v] | 1152 |
|
| 4 | [prep] [modal v] [be] | 221 |
|
