| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] i [vb infin] [det] [prep] | 82 |
|
| 2 | could [pron] [vb infin] [det] [prep] | 50 |
|
| 3 | could i [vb infin] [adj] [prep] | 8 |
|
| 4 | could i [verb] [det] [prep] | 5 |
|
