| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [adv] [verb] | 1458 |
|
| 2 | could not [adv] [vb infin] | 1454 |
|
| 3 | [modal v] not [adv] afford | 62 |
|
| 4 | could [adv] [adv] afford | 55 |
|
| 5 | could not [adv] afford | 24 |
|
| 6 | could not [adv] afford | 24 |
|
