| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [verb] [pron] could have | 42 |
|
| 2 | [verb] [verb] [pers pn] could have | 39 |
|
| 3 | [verb] [verb] he [modal v] have | 37 |
|
| 4 | [verb] [verb] he [vb mod] have | 37 |
|
| 5 | [verb] [verb] he could [vb infin] | 29 |
|
| 6 | [verb] [verb] he could [verb] | 29 |
|
| 7 | [verb] [verb] he could have | 7 |
|
| 8 | [verb] [verb] he could have | 6 |
|
| 9 | [verb] [verb] he could have | 6 |
|
