| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not be | 25780 |
|
| 2 | [vb mod] not be | 25780 |
|
| 3 | should [adv] be | 7103 |
|
| 4 | should [not/n't] be | 4206 |
|
| 5 | should not be | 4203 |
|
| 6 | should not [be] | 3362 |
|
| 7 | should not be | 3362 |
|
