| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [vb infin] [pers pn] [adv] | 288 |
|
| 2 | just could [not/n't] [vb infin] [pers pn] | 101 |
|
| 3 | just could [not/n't] [vb infin] [adv] | 18 |
|
