| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] could [verb] it | 689 |
|
| 2 | before [pron] could [verb] [pron] | 357 |
|
| 3 | before [pron] could [verb] [pers pn] | 194 |
|
| 4 | before [pron] [modal v] [verb] it | 100 |
|
| 5 | before [pron] could [verb] it | 68 |
|
