| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [vb infin] whether [art] | 9 |
|
| 2 | [pers pn] could [vb infin] whether [art] | 6 |
|
| 3 | [noun] could [vb infin] whether [art] | 6 |
|
| 4 | could [adv] [vb infin] whether [art] | 15 |
|
| 5 | could not [vb infin] whether [art] | 13 |
|
| 6 | could [not/n't] [vb infin] whether [art] | 13 |
|
| 7 | could n't [vb infin] whether [art] | 8 |
|
| 8 | could not [vb infin] whether [art] | 5 |
|
| 9 | could [vb infin] whether [art] [noun] | 12 |
|
| 10 | could [vb infin] whether [art] [noun sg] | 11 |
|
