| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [pron] have done | 12 |
|
| 2 | [vb mod] not [pron] have done | 12 |
|
| 3 | could not [pron] have done | 8 |
|
| 4 | could not [pron] have done | 8 |
|
| 5 | not [pron] have done [pron] | 6 |
|
