| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] i [vb infin] | 995 |
|
| 2 | could i [vb infin] | 729 |
|
| 3 | could [vb infin] i | 605 |
|
| 4 | could [vb infin] [vb infin] | 118 |
|
