| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [vb infin] what the | 15 |
|
| 2 | could [not/n't] [vb infin] what the | 15 |
|
| 3 | could n't [vb infin] what the | 9 |
|
| 4 | could not [vb infin] what the | 6 |
|
| 5 | could [not/n't] see what the | 5 |
|
