| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [pn reflx] [prep] | 177 |
|
| 2 | could [vb infin] [pn reflx] [prep] | 177 |
|
| 3 | could [vb infin] [pron] at | 74 |
|
| 4 | [modal v] [vb infin] [pn reflx] at | 46 |
|
| 5 | could [verb] [pn reflx] at | 7 |
|
| 6 | could [vb infin] [pn reflx] at | 7 |
|
