| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [adv] see [adv] | 13 |
|
| 2 | could n't [adv] see [adv] | 11 |
|
| 3 | could [not/n't] [adv] see [Wh adv] | 9 |
|
| 4 | could [not/n't] [adv] see how | 5 |
|
| 5 | could [not/n't] [adv] see how | 5 |
|
