| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [vb infin] | 45138 |
|
| 2 | could i [vb infin] | 729 |
|
| 3 | [pron] could i | 117 |
|
| 4 | [pron] i [vb infin] | 17 |
|
