| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [adv] [verb] | 614 |
|
| 2 | could [adv] [adv] see | 111 |
|
| 3 | could [not/n't] [adv] see | 79 |
|
| 4 | could not [adv] see | 79 |
|
| 5 | [modal v] not [adv] see | 51 |
|
| 6 | could not [adv] see | 18 |
|
