| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pers pn] [adv] have | 517 |
|
| 2 | could [adv] [adv] have | 276 |
|
| 3 | could [adv] [pers pn] have | 85 |
|
| 4 | could [pers pn] [adv] have | 79 |
|
| 5 | could [adv] [pers pn] [adv] | 48 |
|
