| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | before [pron] could [verb] [pers pn] | 194 |
|
| 2 | [be] before [pron] [verb] [pers pn] | 16 |
|
| 3 | [be] [pron] could [verb] [pers pn] | 10 |
|
| 4 | [be] before [pron] could [verb] | 8 |
|
