| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] be | 7101 |
|
| 2 | [modal v] always be | 1728 |
|
| 3 | [vb mod] always be | 1728 |
|
| 4 | should always [be] | 353 |
|
| 5 | should always be | 353 |
|
| 6 | should always be | 353 |
|
| 7 | should always [be] | 353 |
|
