| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] [be] [vb pp] | 4363 |
|
| 2 | it should [be] [vb pp] | 2131 |
|
| 3 | it should [adv] [be] | 846 |
|
| 4 | it [adv] [be] [vb pp] | 165 |
|
