| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [verb] [adv] [pron] have | 58 |
|
| 2 | could [adv] [verb] [adv] [pers pn] have | 55 |
|
| 3 | [modal v] [adv] [verb] [adv] we have | 14 |
|
| 4 | [vb mod] [adv] [verb] [adv] we have | 14 |
|
| 5 | could [adv] [verb] [adv] we [verb] | 8 |
|
| 6 | could [adv] [verb] [adv] we have | 5 |
|
| 7 | could [adv] [verb] [adv] we have | 5 |
|
