| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [unc] [vb mod] i [vb infin] | 88 |
|
| 2 | [unc] [modal v] i [vb infin] | 88 |
|
| 3 | [unc] could [pron] [vb infin] | 60 |
|
| 4 | [unc] could i [vb infin] | 18 |
|
| 5 | [unc] could i [verb] | 18 |
|
