| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should be [verb] [prep] | 512 |
|
| 2 | should be [verb] [prep] [be] | 86 |
|
| 3 | it should [verb] [prep] [be] | 9 |
|
| 4 | it should be [verb] [be] | 8 |
|
