| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [verb] [adv] [noun] | 46 |
|
| 2 | [pron] could [verb] [adv] [noun] | 41 |
|
| 3 | [pers pn] could [verb] [adv] [noun] | 37 |
|
| 4 | it could [verb] [adv] [noun] | 12 |
|
| 5 | it could [verb] [adv] [noun] | 6 |
|
