| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] [pron] could have | 263 |
|
| 2 | he [verb] [pron] could [vb infin] | 259 |
|
| 3 | he [verb] [pron] could [verb] | 259 |
|
| 4 | he [verb] [pron] [modal v] have | 200 |
|
| 5 | he [verb] [pron] could have | 23 |
|
