| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it [be] [adj] | 617 |
|
| 2 | it [vb past] [be] [adj] | 371 |
|
| 3 | [Wh adv] it [vb past] [be] | 81 |
|
| 4 | [Wh adv] it [vb past] [adj] | 64 |
|
