| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [verb] [conj] [verb] | 231 |
|
| 2 | [vb mod] not see [conj] [verb] | 15 |
|
| 3 | [modal v] not see [conj] [verb] | 15 |
|
| 4 | could [adv] see [conj] [verb] | 12 |
|
| 5 | could not see [conj] [verb] | 5 |
|
