| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [modal v] not [adv] [verb] | 117 |
|
| 2 | [adv] could [adv] [adv] [verb] | 41 |
|
| 3 | [adv] could not [adv] [verb] | 38 |
|
