| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] could [adv] [vb infin] | 1021 |
|
| 2 | it could [adv] [vb infin] | 950 |
|
| 3 | [adv] it could [vb infin] | 109 |
|
| 4 | [adv] it could [adv] | 71 |
|
