| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] could [vb infin] | 3789 |
|
| 2 | [adv] [pers pn] could [vb infin] | 3590 |
|
| 3 | [adv] it [modal v] [vb infin] | 2369 |
|
| 4 | [adv] it could [verb] | 162 |
|
| 5 | [adv] it could [vb infin] | 161 |
|
