| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [adv] [vb infin] for | 16 |
|
| 2 | could not [adv] [verb] for | 16 |
|
| 3 | could not [adv] [verb] for | 11 |
|
| 4 | could n't [adv] [verb] for | 5 |
|
