| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pron] [be] [verb] | 3889 |
|
| 2 | [pron] it [be] [verb] | 1956 |
|
| 3 | [Wh det] it [be] [verb] | 1647 |
|
| 4 | which it [be] [verb] | 1194 |
|
