| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] to [noun prp] | 118 |
|
| 2 | i [vb infin] to [noun prp] | 60 |
|
| 3 | could i [vb infin] to | 33 |
|
| 4 | could i [vb infin] [noun prp] | 9 |
|
