| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could n't have chosen a | 10 |
|
| 2 | [modal v] n't have chosen a | 10 |
|
| 3 | could n't have chosen a | 10 |
|
| 4 | [vb mod] n't have chosen a | 10 |
|
| 5 | n't have chosen a [adj] | 8 |
|
| 6 | n't have chosen a [adj -er] | 8 |
|
| 7 | n't have chosen a better | 7 |
|
| 8 | n't have chosen a good | 7 |
|
