| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [verb] to [be] [verb] | 284 |
|
| 2 | should [be] [verb] [prep] [be] [verb] | 28 |
|
| 3 | should [be] [verb] [prep] [be] [verb] | 28 |
|
| 4 | should [be] [verb] to [be] [verb] | 22 |
|
