| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he could [verb] | 7772 |
|
| 2 | he [vb mod] have | 7562 |
|
| 3 | he [modal v] have | 7562 |
|
| 4 | [pron] could have | 5941 |
|
| 5 | [pers pn] could have | 5160 |
|
| 6 | he could have | 919 |
|
| 7 | he could have | 916 |
|
