| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [unc] [modal v] [pron] [vb infin] | 354 |
|
| 2 | [unc] [vb mod] [pron] [vb infin] | 354 |
|
| 3 | [unc] could [pron] [verb] | 61 |
|
| 4 | [unc] could [pron] [vb infin] | 60 |
|
