| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should [be] [vb pp] | 2131 |
|
| 2 | should [be] [vb pp] that | 905 |
|
| 3 | it [be] [vb pp] that | 140 |
|
| 4 | it should [be] that | 8 |
|
