| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should [verb] [prep] [be] | 8 |
|
| 2 | it should [verb] to [be] | 8 |
|
| 3 | it should [verb] to [be] | 8 |
|
| 4 | it should [verb] [prep] be | 8 |
|
| 5 | it should [vb infin] [prep] [be] | 7 |
|
