| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [adv] [be] [noun] | 215 |
|
| 2 | it [vb mod] [adv] [be] [noun] | 215 |
|
| 3 | [pron] might [adv] [be] [noun] | 44 |
|
| 4 | it might [adv] [be] [noun] | 17 |
|
