| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not have [verb] at [art] | 17 |
|
| 2 | [vb mod] not have [verb] at [art] | 17 |
|
| 3 | [modal v] not have [vb pp] at [art] | 17 |
|
| 4 | could not have [verb] at [art] | 15 |
|
| 5 | could not have [verb] at [art] | 15 |
|
| 6 | [modal v] not have [verb] at a | 14 |
|
| 7 | [modal v] not have come at [art] | 12 |
|
| 8 | [modal v] not have come at [art] | 12 |
|
