| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [not/n't] [be] [verb] | 17407 |
|
| 2 | [modal v] [not/n't] [be] [verb] | 17407 |
|
| 3 | can [adv] [be] [verb] | 12222 |
|
| 4 | can [not/n't] [be] [verb] | 6365 |
|
