| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't have [vb pp] a | 101 |
|
| 2 | n't have had a | 18 |
|
| 3 | n't have chosen a | 10 |
|
| 4 | n't have [vb pp] an | 8 |
|
| 5 | n't have made a | 6 |
|
