| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [vb infin] [conj] [art] | 194 |
|
| 2 | [pers pn] [modal v] [vb infin] whether [art] | 44 |
|
| 3 | [pron] could [vb infin] whether [art] | 9 |
|
| 4 | [pers pn] could [verb] whether [art] | 6 |
|
| 5 | [pers pn] could [vb infin] whether [art] | 6 |
|
