| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] n't be | 9273 |
|
| 2 | [vb mod] n't be | 9273 |
|
| 3 | should [adv] be | 7103 |
|
| 4 | should [not/n't] be | 4206 |
|
| 5 | should not be | 4203 |
|
| 6 | should n't be | 841 |
|
| 7 | should n't [be] | 841 |
|
