| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] have [vb pp] into | 17 |
|
| 2 | could [adv] have [verb] into | 17 |
|
| 3 | could [adv] have [verb] into | 12 |
|
| 4 | could not have [verb] into | 5 |
|
| 5 | could [not/n't] have [verb] into | 5 |
|
