| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not have [verb] [noun sg] | 28 |
|
| 2 | could not have [vb pp] [noun sg] | 28 |
|
| 3 | could not have [verb] [noun sg] | 19 |
|
| 4 | could n't have [verb] [noun sg] | 9 |
|
| 5 | could not have taken [noun sg] | 6 |
|
| 6 | could not have take [noun sg] | 6 |
|
| 7 | could not have [verb] place | 6 |
|
| 8 | could not have have [noun sg] | 5 |
|
| 9 | could not have had [noun sg] | 5 |
|
