| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not have [verb] [prep] | 182 |
|
| 2 | could not [verb] [prep] it | 83 |
|
| 3 | could not have [verb] it | 80 |
|
| 4 | not have [verb] [prep] it | 62 |
|
| 5 | could have [verb] [prep] it | 18 |
|
