| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] not have see | 26 |
|
| 2 | [modal v] not have seen | 23 |
|
| 3 | would not have see | 9 |
|
| 4 | would not have see | 9 |
|
| 5 | may not have see | 7 |
|
| 6 | may not have see | 7 |
|
