| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] could [vb infin] [pron] | 55 |
|
| 2 | [verb] [modal v] [vb infin] [indef pn] | 34 |
|
| 3 | [verb] [vb mod] [vb infin] [indef pn] | 34 |
|
| 4 | [verb] could [verb] [indef pn] | 7 |
|
| 5 | [verb] could [vb infin] [indef pn] | 7 |
|
