| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [verb] he could | 486 |
|
| 2 | [verb] he could have | 75 |
|
| 3 | [pers pn] [verb] could have | 10 |
|
| 4 | [pers pn] he could have | 8 |
|
