| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it could [verb] [noun] | 68 |
|
| 2 | before [pers pn] could [verb] [noun] | 61 |
|
| 3 | before [pron] could [verb] [noun] | 61 |
|
| 4 | before it [modal v] [verb] [noun] | 19 |
|
| 5 | before it could [verb] [noun] | 7 |
|
