| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should [adv] [be] [vb pp] | 514 |
|
| 2 | it [vb mod] still [be] [vb pp] | 54 |
|
| 3 | it [modal v] still [be] [vb pp] | 54 |
|
| 4 | [pron] should still [be] [vb pp] | 10 |
|
| 5 | it should still [be] [vb pp] | 5 |
|
| 6 | it should still [be] [verb] | 5 |
|
