| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could i [vb infin] | 729 |
|
| 2 | [no cls] could [vb infin] | 83 |
|
| 3 | [no cls] i [vb infin] | 66 |
|
| 4 | [no cls] could i | 24 |
|
