| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [vb infin] a better [noun sg] | 11 |
|
| 2 | could n't [verb] a better [noun sg] | 9 |
|
| 3 | could [not/n't] have a better [noun sg] | 7 |
|
| 4 | could [not/n't] have a better [noun sg] | 7 |
|
