| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have [adv] [vb pp] [adv] | 3437 |
|
| 2 | [pron] could have [vb pp] [adv] | 415 |
|
| 3 | [pron] could have [adv] [vb pp] | 76 |
|
| 4 | [pron] could have [adv] [adv] | 12 |
|
| 5 | could have [adv] [vb pp] [adv] | 11 |
|
