| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [pron] could [verb] [adv] | 493 |
|
| 2 | [noun] [pers pn] could [verb] [adv] | 362 |
|
| 3 | [noun] it [modal v] [verb] [adv] | 260 |
|
| 4 | [noun] it could [verb] [adv] | 18 |
|
