| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] [modal v] not be | 1001 |
|
| 2 | [adv] [pron] [vb mod] not be | 1001 |
|
| 3 | [adv] [pron] could [adv] be | 125 |
|
| 4 | [adv] [pron] could not be | 79 |
|
| 5 | [adv] [pron] could not [be] | 79 |
|
