| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [pers pn] [verb] i [modal v] [vb infin] | 9 |
|
| 2 | could [pers pn] [verb] [pron] [modal v] [vb infin] | 7 |
|
| 3 | could [pers pn] [verb] i [modal v] [verb] | 5 |
|
| 4 | could [pron] [verb] i [modal v] [vb infin] | 5 |
|
