| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not have seen | 23 |
|
| 2 | [vb mod] not have seen | 23 |
|
| 3 | may not have seen | 7 |
|
| 4 | may not have seen | 7 |
|
| 5 | would not have seen | 6 |
|
| 6 | would not have seen | 6 |
|
| 7 | not have seen [art] | 11 |
|
| 8 | not have seen the | 11 |
|
| 9 | not have seen the | 11 |
|
| 10 | not have seen [art] | 11 |
|
