| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] i [vb infin] | 8576 |
|
| 2 | could [pron] [vb infin] | 3881 |
|
| 3 | could [pers pn] [vb infin] | 3733 |
|
| 4 | could i [verb] | 740 |
|
| 5 | could i [vb infin] | 729 |
|
