| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could not have [verb] | 272 |
|
| 2 | [pers pn] could not have [verb] | 265 |
|
| 3 | it [vb mod] not have [verb] | 127 |
|
| 4 | it [modal v] not have [verb] | 127 |
|
| 5 | it could [adv] have [verb] | 57 |
|
| 6 | it could not [verb] [verb] | 36 |
|
| 7 | it could [not/n't] have [verb] | 34 |
|
| 8 | it could not have [verb] | 34 |
|
| 9 | it could not have [verb] | 20 |
|
| 10 | it could not have [verb] | 20 |
|
