| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [be] [verb] [prep] [art] | 4246 |
|
| 2 | should [adv] [be] [verb] [prep] [art] | 726 |
|
| 3 | should [adv] [be] [verb] [prep] [art] | 354 |
|
