| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it [modal v] [be] [vb pp] | 361 |
|
| 2 | it [modal v] [be] [vb pp] and | 144 |
|
| 3 | [Wh adv] it [be] [vb pp] and | 49 |
|
