| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] could not [vb infin] [noun sg] | 17 |
|
| 2 | [adv] could n't [verb] [noun sg] | 10 |
|
| 3 | just could not [verb] [noun sg] | 8 |
|
| 4 | [adv] could not [verb] [noun sg] | 7 |
|
