| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pers pn] could have | 487 |
|
| 2 | he [verb] [pers pn] could | 461 |
|
| 3 | he [verb] [pers pn] have | 14 |
|
| 4 | he [pers pn] could have | 5 |
|
