| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [vb infin] | 11432 |
|
| 2 | it [adv] [vb infin] | 330 |
|
| 3 | could it [vb infin] | 133 |
|
| 4 | could it [adv] | 56 |
|
