| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] it [be] [verb] | 1956 |
|
| 2 | who [pron] [be] [verb] | 266 |
|
| 3 | [Wh pn] it [be] [verb] | 182 |
|
| 4 | who it [be] [verb] | 34 |
|
