| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] [be] | 7103 |
|
| 2 | [modal v] always [be] | 1728 |
|
| 3 | [vb mod] always [be] | 1728 |
|
| 4 | should always [be] | 353 |
|
