| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] to [art] | 622 |
|
| 2 | could i [vb infin] [art] | 108 |
|
| 3 | i [vb infin] to [art] | 73 |
|
| 4 | could i [vb infin] to | 33 |
|
