| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [adv] have a | 60 |
|
| 2 | [pers pn] could [adv] have had | 41 |
|
| 3 | [pers pn] could have had a | 38 |
|
| 4 | could [adv] have had a | 16 |
|
