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