| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [verb] | 101053 |
|
| 2 | [modal v] [verb] a | 37973 |
|
| 3 | not [verb] a | 13712 |
|
| 4 | [modal v] not a | 63 |
|
