| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [adv] [vb infin] whether [art] | 9 |
|
| 2 | [pron] could not [vb infin] whether [art] | 8 |
|
| 3 | [pron] could [not/n't] [vb infin] whether [art] | 8 |
|
| 4 | [pron] could n't [vb infin] whether [art] | 5 |
|
| 5 | [pron] could [vb infin] whether [art] [noun] | 7 |
|
| 6 | [pron] could [vb infin] whether [art] [noun sg] | 7 |
|
